PREFA Aluminiumprodukte GmbH Page 1 of 21

Tender Specifications 120901 PREFA Shingles_2012 ---------------------------------------------------------------------------------- 01. Text GENERAL PRELIMINARY REMARKS Roof ---------------------------------------------------------------------------------- Author: PREFA Aluminiumprodukte GmbH Last updated on 1 September 2012 The installation and assembly instructions of PREFA Aluminiumprodukte GmbH as well as the nationally applicable regulations, technical rules and standards form the basis for the execution of the performances described. The tender specifications are based on the following documents:... The following tender specifications were created based on the planning documents provided to us in accordance with currently valid general technical regulations. The items are to be checked for feasibility by the tenderer, the quantities are to be checked for correctness on the object and changed if required. Material waste, seam losses as well as small items and mounting material are to be included in the relevant items. Billing is done based on on-site measurement. The tour of the site prior to tender is strongly advised. The PREFA Aluminiumprodukte GmbH makes no guarantees for either the completeness of the individual items for performing the services described as well as for the accuracy of the measurements in the individual items. The planner has to check all the information and statements for accuracy and adjust them if necessary. This is a tender input that is made available as an advisory service to the planner (e.g. architects). PREFA Aluminiumprodukte GmbH Page 1 of 21

Tender Specifications 120901 PREFA shingles_2012 ---------------------------------------------------------------------------------- 01 LV PREFA Shingle_2012 01.01 Title PREFA Shingle ---------------------------------------------------------------------------------- 01.01.1 Roof covering with PREFA shingles Delivery and installation of a roof covering with PREFA shingles Minimum roof pitch: 25 (ca. 47%) Size: 420 x 240 mm, on installed roof surface (10 pcs/m²) Material quality: aluminium Alloy: Al Mn1Mg0,5 Surface: PP99 Two-layer stove-enamel finish, stucco or smooth, Colour: Standard according to the valid PREFA colour chart... Installation, 1/3 division Incl. original PREFA mounting material (10 pcs, PREFA patent holders and galv. grooved nails per m2) Install correctly and storm-proof on full boarding according to PREFA installation instructions, min. 24 mm thick. 0.000 m² EP... GP... 01.01.2 Roof covering with PREFA shingles P.10 Delivery and installation of a roof covering with PREFA shingles P.10 Minimum roof pitch: 25 (ca. 47%) Size: 420 x 240 mm, on installed roof surface (10 pcs/m²) Material quality: aluminium Alloy: Al Mn1Mg0,5 Surface: P.10 two-layer stove-enamel finish, stucco or smooth Colour: standard according to the valid PREFA colour chart... Installation, 1/3 division Incl. original PREFA mounting material (10 pcs, PREFA patent holders and galv. grooved nails per m2) Install correctly and storm-proof on full boarding according to PREFA installation instructions, min. 24 mm thick. 0.000 m² EP... GP... 01.01.3 Allowance for the main item for simple ridge formation PREFA Aluminiumprodukte GmbH Page 2 of 21

simply seamed. 01.01.4 PREFA edge strips (eaves strips) Delivery and installation of PREFA edge strips (with marking) Size: 1800 x 158 mm Material quality: aluminium Alloy: Al Mn1Mg0,5 Material strength: 1.0 mm Incl. mounting material, correct and storm-proof installation according to PREFA installation instructions. 01.01.5 PREFA run-off plate standard Delivery and installation of PREFA run-off plates, pre-canted twice at the factory Material quality: aluminium Alloy: AlMn1Mg0.5 Surface: two-layer stove-enamel finish Size: 230 x 2000 mm Incl. mounting material, conically canted and adjusted to the gutter slope, install so as to be storm-proof and stretchable. 01.01.6 Formation of a roof crease with PREFA shingles Formation of a roof crease with PREFA shingles Roof transition from... to... Incl. opening of the seam, underlaying the roof covering with a wooden slat. 01.01.7 Formation of a roof crease with PREFALZ supplementary strip Formation of a roof crease with PREFALZ supplementary strip Roof transition from... to... Incl. eaves strip and possible sealing insert. PREFA Aluminiumprodukte GmbH Page 3 of 21

01.01.8 PREFA safety channel (made at the factory), Delivery and installation of PREFA safety channels with additional seam Cut: 708 mm Folded edge:... 8 pcs The individual pieces (max. 3000 mm) must be connected so as to be able to be stretched, incl. mounting holders and working all (doublesided) connections onto the PREFA roof covering. 01.01.9 Channel formation from PREFALZ supplementary strip Delivery and installation of channel flashings from PREFALZ supplementary strip Cut:... mm Folded edge:... pcs The individual pieces (max. 3000 mm) must be connected so as to be able to be stretched, incl. mounting holders and working all (doublesided) connections onto the PREFA roof covering. 01.01.10 Channel formation, deepened channel from PREFALZ supplementary strip Delivery and installation of a deepened channel formation as a channel gutter from PREFALZ supplementary strip Cut:... mm Folded edge: up to 5 pcs Lowered support structures that are available on site The individual pieces (max. 3000 mm) must be connected so as to be able to be stretched, incl. mounting holders and working all (doublesided) connections onto the PREFA roof covering, incl. application of a layer of undercover sheeting as an additional backflow protection. PREFA Aluminiumprodukte GmbH Page 4 of 21

PREFA Aluminiumprodukte GmbH Page 5 of 21

01.01.11 Channel formation (curved channels) Delivery and installation of a round or folded channel formation with arched dormers Dormer width:...mm Rise:... mm Main roof pitch:... The individual pieces (max. 3000 mm) must be connected so as to be able to be stretched, incl. mounting holders and working all (doublesided) connections onto the PREFA roof covering. 01.01.12 Wall connection channel from PREFALZ supplementary strip Delivery and installation of channel flashings from PREFALZ supplementary strip for lateral wall connection Cut:... mm Folded edge:...pcs The individual pieces must be connected so as to be able to be stretched, incl. mounting holders and working all correct (doublesided) connections onto the PREFA roof covering. 01.01.13 Breast plate made from PREFALZ supplementary strip Delivery and installation of breast plates from PREFALZ supplementary strip onto ridge connections on roof constructions Cut:... mm Folded edge:... pcs Incl. required mounting material and working onto the PREFA roof covering. PREFA Aluminiumprodukte GmbH Page 6 of 21

01.01.14 PREFA jet fan (ridge ventilator), self-supporting Delivery and installation of PREFA jet fan, self-supporting, shaped half round, stucco, for deaerating ventilation levels Material strength: 1.00 mm Ventilation cross-section: 250 cm²/lfm Incl. required mounting material (NIRO screws 4.5/60 mm long, with sealing disk), correct and storm-proof working onto the PREFA roof covering. 01.01.15 PREFA jet fan beginning/end piece Delivery and installation of PREFA jet fan beginning/end piece, stucco, shaped half-round, cut straight Material strength: 1.00 mm Incl. required mounting material and correct and storm-proof working onto the jet fan. 01.01.16 PREFA ridge formation unventilated Delivery and installation of PREFA ridge cover, shaped half-round, stucco, with impressed corrugation Material strength: 1.00 mm Length: 500 mm Incl. required mounting material (NIRO screws 4.5/60 mm long, with sealing disk), correct and storm-proof on wood board available onsite, incl. working the PREFA roof covering onto the ridge lath. PREFA Aluminiumprodukte GmbH Page 7 of 21

01.01.17 PREFA ridge cover beginning/end piece (quarter sphere) Delivery and installation of PREFA ridge cover beginning/end piece, stucco Material strength: 1.50 mm Incl. required mounting material and correct and storm-proof working onto the hip rider. 01.01.18 Ridge cover from PREFA supplementary strip Delivery and installation of ridge plates from PREFALZ supplementary strip Cut:... mm Folded edge:... pcs In individual pieces to max. 3000 mm with corresponding mounting seam, incl. all correct (double-sided) connections to the PREFA roof covering. 01.01.19 Single-pitch roof end part from PREFALZ supplementary strip Delivery and installation of single-pitch roof end part from PREFALZ supplementary strip Material strength: like main item Consisting of: Holding strip: Material strength: min. 1.0 mm Cut:... mm Folded edge:... pcs Cover profile: Material strength: 0.7 mm Cut:... mm Folded edge:... pcs Perforated steel plate: round perforation Ø 5 mm Material strength: 0.7 mm Cut:...mm Folded edge:...pcs PREFA Aluminiumprodukte GmbH Page 8 of 21

The individual pieces (max. 3000 mm) must be connected so as to be able to be stretched, incl. mounting holders and working all (doublesided) connections onto the PREFA roof covering. 01.01.20 PREFA shingle with "frog's mouth" tile vent (ventilation hood) Delivery and installation of PREFA shingles with "frog's mouth" tile vents for supply and exhaust ventilation of the ventilation layer Size: 420 x 240 mm Ventilation cross-section: 30 cm2 With deep-drawn top part and perforation, incl. cutting out the required openings in the boarding. 01.01.21 PREFA gable strip (made at the factory) Delivery and installation of PREFA gable strip incl. holding strip Gable strip: Cut: 2000 x 95 mm Holding strip: Material strength: 1.0 mm Cut: 2000 x 70 mm Incl. required mounting material, storm-proof and stretchable working onto the PREFA roof covering. PREFA Aluminiumprodukte GmbH Page 9 of 21

01.01.22 Gable strip from PREFA supplementary strip Delivery and installation of gable strip from PREFA supplementary strip Gable strip: Cut:... mm Folded edge:... pcs Holding strip: Material strength: min. 1.0 mm Cut:... mm Folded edge:... pcs Incl. required mounting material, storm-proof and stretchable working onto the PREFA roof covering. 01.01.23 PREFA surround plate for pipe openings Delivery and installation of PREFA surround plates for PREFA shingles (pipe openings), smooth Pipe openings: 80 mm to 125 mm Ø Roof pitch: 25-52 Incl. correct working into the PREFA roof covering. 01.01.24 PREFA universal surround Delivery and installation of PREFA universal surrounds, 2-part (e.g. for antenna surround) Pipe openings: 40 mm to 120 mm Ø Roof pitch: 12-52 Incl. correct working into the PREFA roof covering. PREFA Aluminiumprodukte GmbH Page 10 of 21

01.01.25 PREFA ventilation pipe Delivery and installation of PREFA ventilation pipes with covering cap Material strength: 1.00 mm Height 300 mm, Diameter: 100 mm Ø, 120 mm Ø Incl. installation in the surround plate, cutting out of the necessary opening in the battens or boarding and sealing off of the pipe rosette. 01.01.26 PREFA seam sleeve Delivery and installation of PREFA seam sleeves from permanently elastic EPDM, for the integration of round roof openings in the underroof Diameter: 100 mm - 130 mm Ø 01.01.27 Chimney, ventilation shaft, skylight dome or roof area window surround Delivery and installation of chimney, ventilation shaft, skylight dome or roof area window surrounds from PREFALZ supplementary strip, consisting of side parts, breast plate and neck plate Size:... x... mm Raised vertical plate ca. 200 mm Incl. correct integration in the length- and crosswise seams. For penetrations of a width > 1.0 m, an inclined wedge (saddle) is to be created in the neck area. PREFA Aluminiumprodukte GmbH Page 11 of 21

01.01.28 Chimney and ventilation shaft cladding Delivery and installation of chimney and ventilation shaft claddings from PREFALZ supplementary strip Size:... x... x...mm Preparation of the claddings in folded form, according to local allowance to the lower edge of the chimney mouth. 01.01.29 Chimney head covering from PREFALZ supplementary strip Delivery and installation of chimney head covering from PREFALZ supplementary strip Size:... x... mm Incl. cutting out, flaring and sealing off the openings. 01.01.30 PREFA chimney crest Delivery and installation of PREFA chimney crests Material quality: Al alloy, powder coated Material strength: 2 mm Available sizes: 700 x 700 mm 800 x 800 mm 1000 x 700 mm 1100 x 800 mm 1500 x 800 mm, Size:... x... mm Incl. chimney braces and Niro screws. PREFA Aluminiumprodukte GmbH Page 12 of 21

01.01.31 Plaster strips (cap flashing) Delivery and installation of plaster strips (cap flashing) from PREFALZ supplementary strip Cut:... mm Folded edge:... 5 pcs Incl. applying mounting material (if necessary dowel for mounting to the brickwork, incl. sealing with the corresponding permanently elastic sealing compound and inserting distance holders with thermal insulation. 01.01.32 PREFA skylight window Delivery and installation of PREFA skylight windows for cold and attic spaces Size: 600 mm x 600 mm inside dimensions Skylight window, with adjustable plastic double leg light plate and spreading bar, incl. wooden frame, correct working onto the PREFA roof covering, incl. cutting out the access opening in the full boarding as well as securing the wooden frame. 01.01.33 PREFA roof exit window Delivery and installation of PREFA roof exit window. incl. surround Colour surround: like main item Size: 650 mm x 1180 mm Roof pitch: 12-85 Roof exit window: with thermal insulation frame Thermal insulation value u = 1.3 W/ m²k Tested according to EN 14351-1:2006 Sound insulation class 3 Correct working onto the PREFA roof covering incl. cutting out the access opening in the battens or full boarding as well as securing the wooden frame. PREFA Aluminiumprodukte GmbH Page 13 of 21

01.01.34 PREFA surround for Velux roof area windows Delivery and installation of PREFA surrounds for Velux roof area windows Window: with thermal insulation frame Size:... C02 55x78, C04 55x98, F04 66x98, F06 66x118, M04 78x98, M06 78x118, M08 78x140, M10 78x160, P04 94x98, P06 94x118, P08 94x140, P10 94x160, S06 114x118, S08 114x140, S10 114x160, U04 134x98, U08 134x140, U10 134x160 Correct working onto the PREFA roof covering incl. cutting out the access opening in the battens or full boarding, securing the wooden frame to the battens or boarding. 01.01.35 PREFA surround for Roto living room windows Delivery and installation of PREFA surrounds for Roto living room windows Window: with thermal insulation frame Size:... 54x78, 54x98, 54x118, 65x98, 65x118, 65x140, 74x78, 74x98, 74x118, 74x140, 74x160, 94x78, 94x98, 94x118, 94x140, 94x160, 114x78, 114x98, 114x118, 114x140, 114x160, 134x78, 134x140 Correct working onto the PREFA roof covering incl. cutting out the access opening in the battens or full boarding, securing the wooden frame to the battens or boarding. PREFA Aluminiumprodukte GmbH Page 14 of 21

01.01.36 Wall cladding Delivery and installation of wall claddings (dormer, gable, and front sides), Options: PREFA shingle, PREFA supplementary strip (angular standing seam), Construction:... Incl. working onto the PREFA roof covering, as well as all corner and seam endings. 0.000 m² EP... GP... 01.01.37 Roof parapet covering horizontally rounded (made at the factory) Delivery and installation of roof parapet covers horizontally rounded (made at the factory), elements in lengths up to max. 2000 mm depending on cutting, radius and material Colour:... Material strength: 1.00-1.50 mm, powder coated, self-supporting Wall width:... mm Projection:... mm Height inside:... mm Height outside:... mm Inner radius wall:... mm Incl. adhesive strip, butted and glued. 01.01.38 Cornice cover from PREFALZ supplementary strip Delivery and installation of cornice covers from PREFALZ supplementary strip Cornice cover: Cut:... mm Folded edge:... pcs Holding strip: Material strength: min. 1.00 mm Cut:... mm Folded edge:... pcs PREFA Aluminiumprodukte GmbH Page 15 of 21

Incl. required mounting material, installed so as to be storm-proof and stretchable. The individual elements are to be prepared in lengths to max. 3000 mm depending on the cutting 01.01.39 PREFA snow guard for PREFA shingle, type PS Delivery and installation of PREFA snow guard for PREFA shingles, type PS Number of snow guards is based on static calculations. The mounting always occurs from the eaves towards the ridge, the first two eaves side rows are to be fitted with 1 snow guard per shingle. Installation according to PREFA installation instructions. 01.01.40 PREFA snow rake system for PREFA shingle Delivery and installation of a PREFA snow rake system for PREFA shingle Material: aluminium, powder-coated Configuration of the snow rake system is based on static calculations. Consisting of: Snow rake support H x W x D: 205 x 50 x 300 mm, incl. fixing slide Through-holes: PREFA insertion profile 3 pcs, 3000mm long, incl. connecting sleeves Foot part with surface seal: 87 mm Ø outside Incl. mounting, sealing material and covering caps As needed installation of a base plate. 01.01.41 Allowance for snow rake system for PREFA end element Delivery and installation of a snow rake system for PREFA shingles, on eaves-side full boarding, height at least 1.00 m Material: aluminium, powder-coated Consisting of: Snow rake hook: 30/7 mm, hardened PREFA Aluminiumprodukte GmbH Page 16 of 21

Through-holes PREFA round rods 15 mm Ø, 3 pcs, 3000mm long Connecting sleeves: 15 mm Ø inside Base plate: 540 x 130 x 0.7 mm, colour-coated Incl. mounting, sealing material and covering cap 01.01.42 Allowance for snow rake system for PREFA end element PREFA end elements for the snow rake system with round rods Material: aluminium, powder-coated 01.01.43 PREFA mountain snow guard system for PREFA shingles Delivery and installation of a PREFA mountain snow guard system for PREFA shingles Consisting of: Mountain snow guard system support 30/8mm Colour: powder-coated Material: galvanised steel With round wood, ca. 140mm Ø, Base plate: 540 x 130 x 0.7 mm, colour-coated Incl. required mounting, sealing material and covering cap. PREFA Aluminiumprodukte GmbH Page 17 of 21

01.01.44 PREFA roof safety hook according to EN 517B Delivery and installation of PREFA roof safety hook as a single anchorage point, tested according to EN 517B, permitted for one person Material: galvanised steel, powder-coated Incl. installation of a base plate, mounting, sealing material and covering cap. The arrangement and design of the PREFA roof safety hooks follows the guidelines of the accident prevention regulations of the respective country. The PREFA installation instructions are to be adhered to. 01.01.45 PREFA roof safety hook according to EN 517B and EN 795 Delivery and installation of PREFA roof safety hook as a single anchorage point, tested according to EN 517B and EN 795, permitted for one person Colour: stainless steel Material: stainless steel Incl. mounting and sealing material, as needed installation of a base plate. The arrangement and design of the PREFA roof safety hooks follows the guidelines of the accident prevention regulations of the respective country. The PREFA installation instructions are to be adhered to. 01.01.46 PREFA solar bracket Delivery and installation of PREFA solar bracket (powdercoated/blank) Material: aluminium, powder-coated, Material strength: 5 mm Size: 63 x 260 mm Base plate: 540 x 130 x 0.7 mm, colour-coated Incl. mounting, sealing material and covering cap. Number and distances between supports according to static requirements. The PREFA installation instructions are to be adhered to. PREFA Aluminiumprodukte GmbH Page 18 of 21

01.01.47 PREFA Sunny solar bracket Delivery and installation of PREFA Sunny solar bracket as fastening point of solar systems on PREFA roofs Fastening screw: STS M12 350mm Incl. cover: Colour: zinc grey coated Material quality: aluminium, 1.20 mm Integration of the covering occurs by means of adhesive bond (PREFA special adhesive). The PREFA installation instructions are to be adhered to. Number and distances between supports according to static requirements. As needed installation of a base plate. 01.01.48 PREFA gangway system Delivery and installation of a PREFA gangway system Material: galvanised steel, powder-coated Consisting of: Gangway support: 250 mm (distance max. 900 mm), incl. cover plate und base plate Roof pitch: 5-55, Gangway: 250 x 800/1200 mm, incl. joining posts for gangways Incl. required mounting material and sealing material. PREFA Aluminiumprodukte GmbH Page 19 of 21

01.01.49 PREFA roof treads for PREFA shingles Delivery and installation of PREFA roof treads for PREFA shingles Material: galvanised steel, powder-coated Consisting of: Gangway support: 2 pcs. 250 mm, DN 5-55, incl. cover plate Gangway: 250 x 420/800/1200 mm Base plate: 2 pcs. 540 x 130 x 0.7 mm, colour-coated Incl. required mounting, sealing and small material. The PREFA installation instructions are to be adhered to. 01.01.50 Work hours helper Work hours helper 0.000 h EP... GP... 01.01.51 Work hours specialist worker Work hours specialist worker 0.000 h EP... GP... ---------------------------------------------------------------------------------- Total... VAT (20 %)... incl. VAT... PREFA Aluminiumprodukte GmbH Page 20 of 21

Tender Specifications 120901 PREFA shingles_2012 ---------------------------------------------------------------------------------- 01 LV PREFA Shingle_2012 ---------------------------------------------------------------------------------- Summary of the Bullet Points 01.01 PREFA Shingle... ---------------------------------------------------------------------------------- Total... VAT (20 %)... incl. VAT... PREFA Aluminiumprodukte GmbH Page 21 of 21