European Technical Assessment ETA-11/0137 of

Transcription

1 European Tecnical Assessment GENERAL PART Tecnical Assessment Body issuing te ETA Trade name of te construction product Product family to wic te construction product belongs Manufacturer Manufacturing plant Tis European Tecnical Assessment contains Tis European Tecnical Assessment is issued in accordance wit Regulation (EU) 305/2011, on te basis of Tis European Tecnical Assessment replaces Österreicisces Institut für Bautecnik (OIB) Austrian Institute of Construction Engineering LIGNATUR-box element (LKE), -surface element (LFE) and -sell element (LSE) Prefabricated wood-based loadbearing stressed skin panels Lignatur AG Herisauerstraße Waldstatt Switzerland Lignatur AG Herisauerstraße Waldstatt Switzerland 27 Pages including 6 Annexes wic form an integral part of tis assessment Guideline for European Tecnical Approval ETAG 019 Prefabricated wood-based loadbearing stressed skin panels, Edition November 2004, used as European Assessment Document European tecnical approval ETA-11/0137 wit validity from to

2 Page 2 of European Tecnical Assessmen, Remarks Translations of tis European Tecnical Assessment in oter languages sall fully correspond to te original issued document and sould be identified as suc. Communication of tis European Tecnical Assessment, including transmission by electronic means, sall be in full. However, partial reproduction may be made wit te written consent of Austrian Institute of Construction Engineering. Any partial reproduction as to be identified as suc. SPECIFIC PARTS 1 Tecnical description of te product 1.1 General Tis European Tecnical Assessment 1 (ETA) applies to te open and closed box load bearing stressed skin panels LIGNATUR-box element (LKE) LIGNATUR-surface element (LFE) LIGNATUR-sell element (LSE) LIGNATUR-elements are factory made large-size floor and roof elements in softwood. Te LIGNATUR-elements ave parallel skins and ribs at regular distances. Type according to ETAG 019 2, Clause 2.1: Open or closed box type wit skins rigidly bonded to te entire lengt of te ribs wit an adesive Witout or wit termal insulation products not contributing to te structural caracteristics of te stressed skin panels Beside termal insulation products te boxes can be provided wit ballast weigt. Te ballast weigt does not contribute to te structural caracteristics of te stressed skin panels. Cladding, covering, rain and snow protection and connection to te structure as well as application of wood preservatives and flame retardants are not subject to te European Tecnical Assessment. 1.2 Skins and ribs Skins and ribs are made of softwood boards or softwood of rectangular cross section, i.e. visually or macine strengt graded timber. Only tecnically dried wood is used. In longitudinal direction te softwood boards are jointed wit finger joints, tere are no butt joints. Between te ribs stiffeners are arranged at regular distances for stabilisation. To improve te acoustic performance of te LIGNATUR-elements, te skin can be provided wit a grid of oles or slots. Te skins and ribs are bonded by means of an adesive to open or closed boxes. Directions of grain of skins and ribs are parallel. 1.3 Termal insulation products Termal insulation products suc as mineral wool, wood fibre etc. conform to a armonised European standard or a European Tecnical Assessment and do not contribute to te load bearing caracteristics of te LIGNATUR-elements. 1 Te ETA-11/0137 was firstly issued in 2011 as European tecnical approval wit validity from , amended in 2012 wit validity from and amended and converted in 2014 to te European Tecnical Assessment ETA-11/0137 of Reference documents are listed in Annex 6.

3 Page 3 of European Tecnical Assessmen, Te termal insulation products are not subject to te European Tecnical Assessment. 1.4 Ballast weigt Ballast weigt suc as concrete blocks, aggregates etc. does not contribute to te load bearing caracteristics of te LIGNATUR-elements. Concrete blocks and aggregates conform to a armonised European standard or a European Tecnical Assessment. For ballast weigt wit aggregates from calcium carbonate, see Clause Te ballast weigt is not subject to te European Tecnical Assessment. 2 Specification of te intended use(s) in accordance wit te applicable European Assessment Document (tereafter EAD) 2.1 Intended use Te LIGNATUR-elements are intended to be used as load bearing or non load bearing elements in floors and roofs. Tey may be used in a load bearing function or for load transmission stressed perpendicular as well as in plane of te element. Te product sall be subjected to static and quasi static actions only. Te product is intended to be used in service classes 1 and 2 according to EN Members wic are directly exposed to te weater sall be provided wit an effective protection for te product in service. 2.2 General assumptions Te LIGNATUR elements are manufactured in accordance wit te provisions of te European Tecnical Assessment using te manufacturing process as identified in te inspection of te manufacturing plant by Österreicisces Institut für Bautecnik and laid down in te tecnical file. Te manufacturer sall ensure tat te requirements in accordance wit te Clauses 1, 2 and 3 as well as wit te Annexes of te European Tecnical Assessment are made known to tose wo are concerned wit planning and execution of te works. Design Te European Tecnical Assessment only applies to te manufacture and use of te LIGNATUR elements. Verification of stability of te works including application of loads on te products is not subject to te European Tecnical Assessment. Fitness for te intended use of te products is given under te following conditions: Design of te LIGNATUR elements is carried under te responsibility of an engineer experienced in suc products. Design of te works sall account for te protection of te LIGNATUR elements. In service, te LIGNATUR elements are not exposed to detrimental moisture. Te definitions of service classes 1 and 2 according to EN apply. Te LIGNATUR elements are installed correctly. Design of te products can be according to EN and EN , taking into account of Clause 3.1 of te European Tecnical Assessment. Standards and regulations in force at te place of use sall be considered. Packaging, transport and storage Te LIGNATUR elements sall be protected during transport and storage against any damage and detrimental moisture effects. Storage sall at all time be clear from te ground. Damaged products sall not be installed. Te manufacturer s instruction for packaging, transport and storage sall be observed.

4 Page 4 of European Tecnical Assessmen, Installation Te manufacturer sall prepare installation instructions in wic te product-specific caracteristics and te most important measures to be taken into consideration for installation are described. Te installation instructions sall be available at every construction site and sall be deposited at Österreicisces Institut für Bautecnik. Installation of LIGNATUR elements sall be carried out by appropriately qualified personnel under te supervision of te person responsible for tecnical matters on site. An assembly plan sall be prepared for eac structure, wic contains te sequence in wic te individual LIGNATURelements sall be installed and teir designation. Te assembly plan sall be available at te construction site. Damaged products sall not be installed. Ducts and services sall as far as possible be arranged not to affect te performances of te LIGNATUR elements. If tere are ducts or services between te skins or passing troug te product, teir affect on te stability, te safety in case of fire and te building pysics caracteristics sall be taken into consideration. Te same principles apply to oles cut for anoter purpose. Cutting of ribs and cutting of slots in te skins sall be avoided as muc as possible and always requires special attention and assessment. Use, maintenance and repair Te assessment of te fitness for use is based on te assumption tat maintenance is not required during te assumed intended working life. Sould repair prove necessary, an assessment sall be made in eac case. Severe damage of a LIGNATUR element requires immediate actions regarding te mecanical resistance and stability of te works. 2.3 Assumed working life Te provisions made in te European Tecnical Assessment (ETA) are based on an assumed intended working life for te LIGNATUR elements of 50 years, wen installed in te works, provided tat te LIGNATUR elements are subject to appropriate installation, use and maintenance (see Clause 2.2). Tese provisions are based upon te current state of te art and te available knowledge and experience. Te indications given as to te working life of te construction product cannot be interpreted as a guarantee neiter given by te product manufacturer or is representative nor by EOTA nor by te Tecnical Assessment Body, but are regarded only as a means for coosing te appropriate products in relation to te expected economically reasonable working life of te works.

5 Page 5 of European Tecnical Assessmen, 3 Performance of te product and reference to te metods used for its assessment Table 1: Essential caracteristics of te product and metods of verification and assessment Essential caracteristic 1 Load bearing capacity 2 Serviceability 3 Moisture content 4 Reaction to fire 5 Resistance to fire 6 Metod of verification and assessment Basic Requirement 1: Mecanical resistance and stability 1 Expression of product performance 3.2 Annex 2 Basic Requirement 2: Safety in case of fire 3.2 Annex 2 Basic Requirement 3: Hygiene, ealt and environment Water vapour permeability and moisture resistance 7 Water tigtness 8 Content and/or release of dangerous substances 9 Slipperiness of floors 10 Impact resistance 11 Airborne sound insulation 12 Impact sound insulation 13 Sound absorption 14 Termal resistance 15 Air permeability 16 Termal inertia 3.2 Annex 2 Basic requirement 4: Safety and accessibility in use 3.2 Annex 2 Basic requirement 5: Protection against noise 3.2 Annex 2 Basic requirement 6: Energy economy and eat retention 1 Tis caracteristic also relates to BWR Annex Essential caracteristics of te product LIGNATUR-elements General Te load bearing LIGNATUR-elements correspond to te information and drawings given in Annex 1. Te performance caracteristics data of te product are given in Annex 2, Table 1. Te dimensions of te product are specific to te project. Maximum dimensions as given in Annex 1 sall be considered.

6 Page 6 of European Tecnical Assessmen, Te material caracteristics, dimensions, and tolerances of te product and its components not indicated in Annex 1 are given in te tecnical file 3 of te European Tecnical Assessment Safety in case of fire Te classifications of te LIGNATUR-elements regarding reaction to fire and resistance to fire are given in Annex 2, Table Hygiene, ealt and environment On dangerous substances te LIGNATUR-elements comply wit Guideline for European Tecnical Approval ETAG 019 Prefabricated wood-based loadbearing stressed skin panels, Edition November 2004, used as European Assessment Document. A manufacturer s declaration to tis effect as been submitted. Te performance of te product regarding release of dangerous substances is given in Annex 2, Table 1. In addition to te specific clauses relating to dangerous substances contained in te European Tecnical Assessment, tere may be oter requirements applicable to te products falling witin its scope (e.g. transposed European legislation and national laws, regulations and administrative provisions). In order to meet te provisions of te Construction Products Regulation, tese requirements need also to be complied wit, wen and were tey apply Durability and serviceability Durability and serviceability, including dimensional stability of te LIGNATUR-elements are given under te conditions of Clause 2.2. Te LIGNATUR-elements can be used in service classes 1 and 2 according to EN Components Timber Solid timber for skins and ribs sall be visually or macine strengt graded. Only tecnically dried wood sall be used. Solid wood sall be classified according to EN Adesive Te adesive for bonding te LIGNATUR-elements sall conform to EN or EN Termal insulation products Termal insulation products are not subject to te European Tecnical Assessment. Termal insulation products inserted into te box elements sall conform to a armonised European standard or a European Tecnical Assessment and sall be CE marked Ballast weigt Te ballast weigt is not subject to te European Tecnical Assessment. Concrete blocks and aggregates inserted into te box elements sall conform to a armonised European standard or a European Tecnical Assessment and sall be CE marked. For ballast weigt wit aggregates from calcium carbonate at least mineralogy, grain category, density as well as content of fines sall be declared. 3 Te tecnical file of te European Tecnical Assessment is deposited at Österreicisces Institut für Bautecnik and, in so far as is relevant to te tasks of te notified product certification body involved in te assessment and verification of constancy of performance procedure, is anded over to te notified product certification body.

7 Page 7 of European Tecnical Assessmen, 3.2 Metods of verification General Te assessment of fitness of te LIGNATUR-elements for te intended use in relation to te requirements for mecanical resistance and stability, for safety in case of fire, for ygiene, ealt and te environment, for safety and accessibility in use, for protection against noise and for energy economy and eat retention in te sense of te Basic Requirements 1 to 6 of Regulation (EU) 305/2011 as been made in accordance wit Guideline for European Tecnical Approval ETAG 019 Prefabricated wood-based loadbearing stressed skin panels used as European Assessment Document Identification Te European Tecnical Assessment for te LIGNATUR-elements is issued on te basis of agreed data, deposited wit Österreicisces Institut für Bautecnik, wic identifies te product tat as been assessed and judged. Canges to materials, to te composition or to caracteristics of te product, or to te production process, wic could result in tis deposited data being incorrect, sould be immediately notified to Österreicisces Institut für Bautecnik before te canges are introduced. Österreicisces Institut für Bautecnik will decide weter or not suc canges affect te European Tecnical Assessment, and, if so, weter furter assessment or alterations to te European Tecnical Assessment are considered necessary. By te accompanying documentation te LIGNATUR-elements sall be clearly identifiable at delivery. Termal insulation products inserted into te LIGNATUR-elements sall conform to a armonised European standard or a European Tecnical Assessment. At least density, mass per unit area and reaction to fire classification of te respective materials sall be specified. Tese materials are not subject to te European Tecnical Assessment. Standards and regulations in force at te place of use sould be observed. Ballast weigt of concrete blocks and aggregates inserted into te LIGNATUR-elements sall conform to a armonised European standard or a European Tecnical Assessment. Te grain size of ballast weigt made of CCN calk may vary in between 2 and 3 mm. At least density, mass per unit area and reaction to fire classification of te respective materials sall be specified. Tese materials are not subject to te European Tecnical Assessment. Standards and regulations in force at te place of use sould be observed. Te specifications of te inserted materials togeter wit teir essential performances ave to be provided by te manufacturer of te LIGNATUR elements. 4 Assessment and verification of constancy of performance (tereafter AVCP) system applied, wit reference to its legal base 4.1 System of assessment and verification of constancy of performance Te manufacturer sall draw up te declaration of performance and determine te product-type on te basis of te assessments and verifications of constancy of performance carried out under te following system as laid down in te Commission Delegated Regulation (EU) 568/2014 of 18 February 2014, Annex V, 1.2, referred to as System 1. Tis system provides for: (a) te manufacturer sall carry out: (i) factory production control;

8 Page 8 of European Tecnical Assessmen, (ii) furter testing of samples taken at te manufacturing plant by te manufacturer in accordance wit a prescribed test plan 4 ; (b) te notified product certification body sall decide on te issuing, restriction, suspension or witdrawal of te certificate of constancy of performance of te construction product on te basis of te outcome of te following assessments and verifications carried out by tat body: (i) an assessment of te performance of te construction product carried out on te basis of testing (including sampling), calculation, tabulated values or descriptive documentation of te product; (ii) initial inspection of te manufacturing plant and of factory production control; (iii) continuous surveillance, assessment and evaluation of factory production control. 5 Tecnical details necessary for te implementation of te AVCP system, as provided for in te applicable European Assessment Document 5.1 Tasks for te manufacturer Factory production control At te manufacturing plant te manufacturer as implemented and continuously maintains a factory production control system. All te elements, requirements and provisions adopted by te manufacturer are documented in a systematic manner in te form of written policies and procedures. Te factory production control system ensures tat te performance of te LIGNATUR elements is in conformity wit te European Tecnical Assessment. Te factory production control sall address at least: Specifications of all materials and components incorporated in te LIGNATUR elements Positions of structural members Overall dimensions of LIGNATUR elements Installation of termal insulation products and ballast weigt Tolerances of dimensions, squareness and flatness Markings for correct position and installation in te works, and special andling Packaging and protection during transport Ensure tat specified moisture content levels are maintained during manufacture, storage at te factory, and during delivery and on site Te manufacturer sall only use raw materials supplied wit te relevant inspection documents as laid down in te prescribed test plan. Te incoming raw materials sall be subject to controls and tests by te manufacturer before acceptance. Ceck of incoming materials sall include control of inspection documents (comparison wit nominal values) presented by te manufacturer of te raw materials by verifying te dimensions and determining te material properties. Te frequencies of controls and tests conducted during manufacturing and on te assembled product are defined by taking account of te manufacturing process of te product and are laid down in te prescribed test plan. Te results of factory production control are recorded and evaluated. Te records include at least te following data: 4 Te prescribed test plan as been deposited wit Österreicisces Institut für Bautecnik and is anded over only to te notified product certification body involved in te procedure for te assessment and verification of constancy of performance. Te prescribed test plan is also referred to as control plan.

9 Page 9 of European Tecnical Assessmen, Designation of te product, basic materials and components Type of control or test Date of manufacture of te product and date of testing of te product or basic materials or components Results of controls and tests and, if appropriate, comparison wit requirements Name and signature of person responsible for factory production control Te records sall be kept at least for ten years time after te construction product as been placed on te market and sall be presented to te notified product certification body involved in continuous surveillance. On request tey sall be presented to Österreicisces Institut für Bautecnik Declaration of performance Te manufacturer is responsible for preparing te declaration of performance. Wen all te criteria of te assessment and verification of constancy of performance including certification are met, te manufacturer sall issue a declaration of performance. 5.2 Tasks for te notified product certification body Assessment of te performance of te construction product carried out on te basis of testing (including sampling), calculation, tabulated values or descriptive documentation of te product For assessment of te performance of te construction product, te results of te tests performed as part of te assessment for te European Tecnical Assessment may be used unless tere are canges in te manufacturing process or manufacturing plant. In te case of canges, te necessary assessment of te performance of te construction product sall be agreed between Österreicisces Institut für Bautecnik and te notified product certification body involved Initial inspection of te manufacturing plant and of factory production control Te notified product certification body sall ascertain tat, in accordance wit te prescribed test plan, te factory, in particular personnel and equipment, and te factory production control, are suitable to ensure a continuously and orderly manufacturing of te LIGNATUR elements wit te specifications given in te specific parts as well as in te Annexes of te European Tecnical Assessment Continuous surveillance, assessment and evaluation of factory production control Te notified product certification body sall visit te factory at least twice a year for routine inspection. It sall be verified tat te system of factory production control and te specified manufacturing process are maintained, taking account of te prescribed test plan. On demand te results of continuous surveillance sall be made available by te notified product certification body to Österreicisces Institut für Bautecnik. Wen te provisions of te European Tecnical Assessment and te prescribed test plan are no longer fulfilled, te certificate of constancy of performance sall be witdrawn by te notified product certification body. Issued in Vienna on by Österreicisces Institut für Bautecnik Te original document is signed by: Rainer Mikulits Managing Director

10 Page 10 of European Tecnical Assessmen, LIGNATUR box element (LKE) LIGNATUR surface element (LFE) or d n d d d d d b n=1 LIGNATUR-elements Annex 1 Product specification b d d d d d b d n ti tiii ti tiii tiii ti Heigt 400 mm Widt b 250 mm Tickness of ribs d 27 mm 33 mm Tickness skin ti 25 mm 82 mm Tickness skin tiii 25 mm 82 mm Number of boxes n 1 Lengt L 18 m Spacing of stiffeners 1,2 m Heigt 320 mm Widt b mm Tickness of ribs d 27 mm 80 mm Tickness skin ti 25 mm 82 mm Tickness skin tiii 25 mm 82 mm Number of boxes n 4 Lengt L 18 m Spacing of stiffeners 1,2 m Heigt > mm Widt b mm Tickness of ribs d 27 mm 80 mm Tickness skin ti 25 mm 82 mm Tickness skin tiii 25 mm 82 mm Number of boxes n 4 Lengt L 18 m Spacing of stiffeners 1,2 m

11 Page 11 of European Tecnical Assessmen, LIGNATUR sell element (LSE) n d d d d d b LIGNATUR-elements Annex 1 Product specification ti Heigt 250 mm Widt b mm Tickness of ribs d 27 mm 40 mm Tickness skin ti 25 mm 40 mm Number of boxes n 4 Lengt L 18 m Spacing of stiffeners 1,2 m

12 Page 12 of European Tecnical Assessmen, Examples of assemblies of LIGNATUR box elements (LKE) Airborne and impact sound insulation Airborne and impact sound insulation and sound absorption LIGNATUR-elements Annex 1 Product specification Sound absorption Termal insulation Examples of assemblies of LIGNATUR surface elements (LFE) Airborne and impact sound insulation Sound absorption Airborne and impact sound insulation and sound absorption Termal insulation Example of an assembly of LIGNATUR sell elements (LSE) Sound absorption Termal insulation and sound absorption

13 Page 13 of European Tecnical Assessmen, Tabelle 1: Product caracteristics and evaluation according to ETAG 019 Basic requirements for Essential caracteristic construction works 1 Exemplary load bearing capacity (bending, sear) Floor, exemplary serviceability for deflection w = l / 600 Roof, exemplary serviceability for deflection w = l / 300 LIGNATUR-elements Annex 2 Performance caracteristics Verification procedure EN ) (Eurocode 5) Moisture content EN % Level / Class / Description / NPD Example, see Figure 1 Example, see Figure 2 Example, see Figure 3 1) Te load bearing capacity is determined by calculation according to EN , applying te caracteristic values of softwood strengt class C24 according to EN 338. g q N, q A s = 1 q N q A g Permanent load (self-weigt of LIGNATUR-element considered in calculation) Imposed loads Snow load Partial safety coefficient for serviceability l Figure 1: Exemplary load bearing capacity for bending and sear (t i = 31 mm, t iii = 31 mm, d = 31 mm)

14 Page 14 of European Tecnical Assessmen, q N q A g l Figure 2: Floor, exemplary serviceability for deflection w = l / 600 (t i = 31 mm, t iii = 31 mm, d = 31 mm) s q A g l LIGNATUR-elements Annex 2 Performance caracteristics Figure 3: Roof, exemplary serviceability for deflection w = l / 300 (t i = 31 mm, t iii = 31 mm, d = 31 mm)

15 Page 15 of European Tecnical Assessmen, Basic requirements for construction works Essential caracteristic LIGNATUR-elements Annex 2 Performance caracteristics Verification procedure 2 Reaction to fire of LIGNATUR-elements witout perforation Floors, roofs EN D-s1, d0 Level / Class / Description / NPD LIGNATUR-elements: box element, surface element, sell element Overall tickness of load bearing LIGNATUR elements mm Tickness of skins and ribs in planed spruce mm Floorings Te product does not include floorings. Reaction to fire of LIGNATUR-elements wit perforation Floors, roofs EN D-s1, d0 LIGNATUR-elements wit perforation: Type 1, Type 2, Type 3, Type 3.1, Type 5, Type 5.1, Type 6, Type 6.1, Type 8 and Type 8.1, see Annex 5 Tickness of skins and ribs in planed spruce mm Resistance to fire Carring rate for calculation of fire resistance Standard elements EN = 0,8 mm/min Perforated elements EN see Annex 3 3 Water vapour permeability and moisture resistance Softwood EN ISO = Water tigtness External envelope Internal surfaces Release of dangerous substances No performance determined Te product does not include external finises. No performance determined Formaldeyde EN E1 Oter dangerous substances ETAG 019, Clause No oter dangerous substances 4 Slipperiness of floors No performance determined Te product does not include floorings. Impact resistance ETAG 019, Clause Satisfactory

16 Page 16 of European Tecnical Assessmen, Basic requirements for construction works Essential caracteristic 5 Airborne sound insulation 6 LIGNATUR-elements Annex 2 Performance caracteristics Verification procedure Level / Class / Description / NPD Exemplary performance of load bearing LIGNATUR-elements for floors and roofs Examples of LIGNATURelements as given in Annex 4 Impact sound insulation EN ISO , EN ISO For weigted sound reduction index, Rw (C; Ctr), see Annex 4 Exemplary performance of load bearing LIGNATUR-elements for floors Examples of LIGNATURelements as given in Annex 4 Sound absorption EN ISO , EN ISO For weigted normalised impact sound pressure level, Ln, w (Cl), see Annex 4 Exemplary performance of load bearing LIGNATUR-elements for floors and roofs Examples of LIGNATURelements as given in Annex 5 Termal resistance EN ISO 354 EN ISO Input parameters for calculation of termal resistance EN ISO 6946, EN ISO Termal conductivity For weigted sound absorption coefficient, αw, and class of sound absorber see Annex 5 Spruce wood EN ISO = 0,13 W/(m K) Termal insulation product Air permeability Termal inertia Caracteristic density According to te specification of te product ETAG 019, Clause Satisfactory Spruce wood EN kg/m 3 Heat capacity Spruce wood EN ISO J/(kg K) Termal conductivity see above

17 Page 17 of European Tecnical Assessmen, Resistance to fire is calculated wit te residual cross section according to EC 5. Carring rate of standard LIGNATUR-elements Te carring rate for elements made of spruce wood is 0,8 mm/min. Te effective carring depts for determination of te residual cross section are: LIGNATUR-elements Annex 3 Resistance to fire Carring rates ti Standard element d ef = d car + d red = t mm d ef... effective carring dept for determination of residual cross section d car... dept of carred layer after required fire resistance time t... required fire resistance time 1 = 0.8 mm/min carring rate d red = 7 mm... dept of layer for consideration of strengt loss in areas adjacent to te carred layer ti Standard elements wit termal insulation product of wood fibre d ef = d car + d red = t t mm d ef... effective carring dept for determination of residual cross section d car... dept of carred layer after required fire resistance time t = t 1 + t 2... required fire resistance time t 1... carring time in te area of te skin t 2... carring time in te area of te termal insulation product of wood fibre 1 = 0.8 mm/min carring rate = 0.9 mm/min carring rate for termal insulation product of wood fibre or iso 2 = 1.6 mm/min carring rate for termal insulation product of mineral fibre (reaction to fire class A2-s1, d0 or better) iso... density of termal insulation product of wood fibre d red = 7 mm... dept of layer for consideration of strengt loss in areas adjacent to te carred layer fi dcar dred def fi dcar dred def Dimensions in mm Time in minutes Density in kg/m 3

18 Page 18 of European Tecnical Assessmen, Carring rate of LIGNATUR acoustics elements To improve te acoustic performance, te lower skin can be perforated wit oles or slots. Annex 5 sows te usual types of perforation. Te carring rate of perforated skins can be determined by: AAkustik dakustik bakustik LIGNATUR-elements Annex 3 Resistance to fire Carring rates i ti fi d car dred def i,fi d ef = d car + d red = t t mm d ef... effective carring dept for determination of residual cross section d car... dept of carred layer after required fire resistance time t = t 1 + t 2... required fire resistance time t 1... carring time in te area of te skin t 2... carring time in te area of wood fibre 1 = 0,22 k + 0,72 mm/min carring rate A Akustik d 10 3 Akustik k = b 1,5 Akustik t i For A Akustik, b Akustik, d Akustik and t i see Annex = 0,9 mm/min carring rate for termal insulation product of wood fibre iso iso... density of termal insulation product of wood fibre d red = 7 mm... dept of layer for consideration of strengt loss in areas adjacent to te carred layer Dimensions in mm Time in minutes Density in kg/m 3

19 Page 19 of European Tecnical Assessmen, Joints between te LIGNATUR-elements LIGNATUR floors and roofs of fire resistance classes REI30, REI60 and REI90 sall be provided wit appropriate joints between te LIGNATUR-elements. LIGNATUR box element REI 30 REI Joint widt 12 mm Joint wit groove and tongue LIGNATUR-elements Annex 3 Resistance to fire - Joints Joint widt 12 mm Joint wit groove and tongue LIGNATUR surface element REI 30 REI 60 REI Joint widt 10 mm Joint widt 10 mm Joint widt 10 mm Joint wit groove and Joint wit groove and Joint wit groove and separate tongue separate tongue separate tongue Joint insulation 1) Joint insulation 1) Joint insulation 1) LIGNATUR sell element REI Joint widt 10 mm Joint wit groove and separate tongue Joint insulation 1) 1) Joint insulation wit reaction to fire class at least A2-s1, d Dimensions in mm

20 Page 20 of European Tecnical Assessmen, Examples wit improved airborne and impact sound performance Mass per unit area of assembly: m 301 kg/m 2 Rw(C; Ctr) = 72 (-1; -5) db Ln,w(CI) = 45 (-2) db Mass per unit area of assembly: m 345 kg/m 2 Rw(C; Ctr) = 72 (-1; -5) db Ln,w(CI) = 44 (-2) db Mass per unit area of assembly: m 288 kg/m 2 Rw(C; Ctr) = 71 (-1; -6) db Ln,w(CI) = 43 (0) db 1) Concrete blocks, density = kg/m 3 LIGNATUR-elements Annex 4 Airborne and impact sound insulation 50 mm 40 mm 70 mm 240 mm 50 mm 40 mm 100 mm 240 mm 50 mm 40 mm 60 mm 240 mm Cement screed m = 120 kg/m 2 Impact sound insulation board ρ = 59,4 kg/m 3, s = 6 MN/m 3 Ballast weigt m = 105 kg/m 2 LIGNATUR surface element silence12 m = 71 kg/m 2 including ballast weigt: concrete blocks 1) Cement screed m = 120 kg/m 2 Impact sound insulation board ρ = 59,4 kg/m 3, s = 6 MN/m 3 Ballast weigt m = 150 kg/m 2 LIGNATUR surface element silence12 m = 71 kg/m 2 including ballast weigt: concrete blocks 1) Cement screed m = 120 kg/m 2 Impact sound insulation board ρ = 59,4 kg/m 3, s = 6 MN/m 3 Ballast weigt m = 90 kg/m 2 LIGNATUR surface element silence12 wit acoustics perforation m = 74 kg/m 2 including ballast weigt: concrete blocks 1)

21 Page 21 of European Tecnical Assessmen, Mass per unit area of assembly : m 348 kg/m 2 Rw(C; Ctr) = 71 (-2; -5) db Ln,w(CI) = 41 (0) db 1) Concrete blocks, density = kg/m 3 LIGNATUR-elements Annex 4 Airborne and impact sound insulation 50 mm 40 mm 100 mm 240 mm Cement screed m = 120 kg/m 2 Impact sound insulation board ρ = 59,4 kg/m 3, s = 6 MN/m 3 Ballast weigt m = 150 kg/m 2 LIGNATUR surface element silence12 wit acoustics perforation m = 74 kg/m 2 including ballast weigt: concrete blocks 1)

22 Page 22 of European Tecnical Assessmen, Perforated skins for acoustic elements Slots can be round or cornered b Akustik A Akustik d A kus ti k Example type 1 Example type 3 Type 1: AAkustik = 5000 mm 2 dakustik = 400 mm bakustik = 24 mm Type 2: AAkustik = 707 mm 2 dakustik = 75 mm bakustik = 24 mm Type 3: AAkustik = 314 mm 2 dakustik = 40 mm bakustik = 5 mm Type 3.1: AAkustik = 314 mm 2 dakustik = 40 mm bakustik = 45 mm Type 5: AAkustik = 177 mm 2 dakustik = 40 mm bakustik = 5 mm Type 5.1: AAkustik = 177 mm 2 dakustik = 40 mm bakustik = 45 mm Type 6: AAkustik = 64 mm 2 dakustik = 20 mm bakustik = 15 mm Type 6.1: AAkustik = 64 mm 2 dakustik = 20 mm bakustik = 35 mm Type 8: AAkustik = 3040 mm 2 dakustik = 600 mm bakustik = 9 mm Type 8.1: AAkustik = 3040 mm 2 dakustik = 600 mm bakustik = 33 mm Diverse: ASlot 5000 mm 2 dslot 600 mm bslot 1 mm AHole 707 mm 2 dhole 75 mm bhole 1 mm LIGNATUR-elements Annex 5 Sound absorption Perforated skins b Akustik A Akustik d A kus ti k tiii ii i ti

23 Page 23 of European Tecnical Assessmen, Examples wit improved sound absorption Absorber material: termal insulation product of wood fibre, density < 110 kg/m 3 Dimensions: = 200 mm, t i = 31 mm, i = 40 mm αw = 0,55 αw = 0,50 αw = 0,90 αw = 0,85 αw = 0,75 αw = 0,60 αw = 0,65 (L) αw = 0,50 (L) LIGNATUR-elements Annex 5 Sound absorption Acoustics type 1 Slot dimension: Acoustics type 2 Hole diameter: Acoustics type 3 Hole diameter: Acoustics type 3 ZL Hole diameter: Acoustics type 3.1 Hole diameter: Class of absorber: D 20 / 250 mm 81 / 400 mm Class of absorber: D 30 mm 81/75 mm Class of absorber: A 20 mm 40 / 40 mm Class of absorber: B 20 mm 40 / 40 mm Class of absorber: C 20 mm 40 / 40 mm Acoustics type 3.1 ZL Class of absorber: C Hole diameter: Acoustics type 5 Hole diameter: Acoustics type 5.1 Hole diameter: 20 mm 40 / 40 mm Class of absorber: C 15 mm 40 / 40 mm Class of absorber: D 15 mm 40 / 40 mm

24 Page 24 of European Tecnical Assessmen, αw = 0,80 αw = 0,60 αw = 0,80 (H) αw = 0,50 αw = 0,50 αw = 0,45 αw = 0,40 αw = 0,50 αw = 0,55 LIGNATUR-elements Annex 5 Sound absorption Acoustics type 6 Hole diameter: Acoustics type 6.1 Hole diameter: Acoustics type 7 Visible wood fibre Acoustics type 8 Slot dimension: Acoustics type 8 ZL Slot dimension: Acoustics type 8.1 Slot dimension: Class of absorber: B 9 mm 20 / 20 mm Class of absorber: C 9 mm 20 / 20 mm Class of absorber: B Class of absorber: D 9 / 380 mm 48 / 600 mm Class of absorber: D 9 / 380 mm 48 / 600 mm Class of absorber: D 9 / 380 mm 48 / 600 mm Acoustics type 8.1 ZL Class of absorber: D Slot dimension: Acoustics type 9 Slot dimension: Acoustics type 9 ZL Slot dimension: 9 / 380 mm 48 / 600 mm Class of absorber: D 5,5 / 380 mm 24 / 600 mm Class of absorber: D 5,5 / 380 mm 24 / 600 mm

25 Page 25 of European Tecnical Assessmen, αw = 0,50 αw = 0,50 LIGNATUR-elements Annex 5 Sound absorption Acoustics type 9.1 Slot dimension: Class of absorber: D 5,5 / 380 mm 24 / 600 mm Acoustics type 9.1 ZL Class of absorber: D Slot dimension: 5,5 / 380 mm 24 / 600 mm

26 Page 26 of European Tecnical Assessmen, LIGNATUR-elements Annex 6 Reference documents Reference documents Guideline for European Tecnical Approval ETAG 019 Prefabricated wood-based loadbearing stressed skin panels, Edition November 2004, used as European Assessment Document EN 301 ( ), Adesives, penolic and aminoplastic, for load-bearing timber structures - Classification and performance requirements EN 338 ( ), Structural timber - Strengt classes EN ( ), Wood-based panels - Determination of formaldeyde release - Part 1: Formaldeyde emission by te camber metod EN ( ), EN /AC ( ), EN /A1 ( ), Eurocode 5 - Design of timber structures - Part 1-1: General - Common rules and rules for buildings EN ( ), EN /AC ( ), Eurocode 5 - Design of timber structures - Part 1-2: General - Structural fire design EN ( ), Moisture content of a piece of sawn timber - Part 1: Determination by oven dry metod EN A1 ( ), Fire classification of construction products and building elements - Part 1: Classification using data from reaction to fire tests EN ( ), Adesives One component polyuretane for load bearing timber structures - Classification and performance requirements EN ISO ( ), Acoustics Laboratory measurement of sound insulation of building elements Part 2: Measurement of airborne sound insulation EN ISO ( ), Acoustics Laboratory measurement of sound insulation of building elements Part 3: Measurement of impact sound insulation EN ISO 354 ( ), Acoustics - Measurement of sound absorption in a reverberation room EN ISO ( , Acoustics - Rating of sound insulation in buildings and of building elements - Part 1: Airborne sound insulation EN ISO ( ), Acoustics - Rating of sound insulation in buildings and of building elements - Part 2: Impact sound insulation

27 Page 27 of European Tecnical Assessmen, EN ISO 6946 ( ), Building components and building elements - Termal resistance and termal transmittance - Calculation metod EN ISO ( ), Termal bridges in building construction - Heat flows and surface temperatures - Detailed calculations EN ISO ( ), EN ISO 10456/AC ( ), Building materials and products - Hygrotermal properties - Tabulated design values and procedures for determining declared and design termal values EN ISO ( ), Acoustics - Sound absorbers for use in buildings - Rating of sound absorption LIGNATUR-elements Annex 6 Reference documents