PROOFEX ENGAGE Membrane d étanchéité Wasserdichtungsmittel. Regulations

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1 Electronic Copy Fosroc Limited Coleshill Road Tamworth Staffordshire B78 3TL Tel: Fax: website: CI/SfB (21) Ln9 Agrément Certificate No 03/4042 Designated by Government to issue European Technical Approvals PROOFEX ENGAGE Membrane d étanchéité Wasserdichtungsmittel Product THIS CERTIFICATE RELATES TO PROOFEX ENGAGE, FOR USE IN WATERPROOFING NEW BUILD UNDERGROUND CONCRETE STRUCTURES. The product is a polyethylene membrane with a heat-welded grid to allow poured concrete to form a mechanical bond with the membrane. The product is for use in basement waterproofing to BS 8102 : 1990 grades 2, 3 and 4 and gives protection against methane and carbon dioxide gases. Regulations 1 The Building Regulations 2000 (as amended) (England and Wales) The Secretary of State has agreed with the British Board of Agrément the aspects of performance to be used by the BBA in assessing the compliance of damp-proof membranes with the Building Regulations. In the opinion of the BBA, Proofex Engage, if used in accordance with the provisions of this Certificate, will meet or contribute to meeting the relevant requirements. Requirement: C2 Dangerous and offensive substances The membrane can contribute to satisfying this Requirement with regards to methane and carbon dioxide. See section 9.1 of this Certificate. Requirement: C4 Resistance to weather and ground moisture Tests for water resistance on the membrane indicate that the material will meet this Requirement. See section 8.1 of this Certificate. Requirement: Regulation 7 Materials and workmanship The membrane comprises an acceptable material. See section 14 of this Certificate. Readers are advised to check the validity of this Certificate by either referring to the BBA s website ( or contacting the BBA direct (Telephone Hotline ).

2 Electronic Copy 2 The Building Standards (Scotland) Regulations 1990 (as amended) In the opinion of the BBA, Proofex Engage, if used in accordance with the provisions of this Certificate, will satisfy or contribute to satisfying the various Regulations and related Technical Standards as listed below. Regulation: 10 Fitness of materials and workmanship Standard: B2.1 Selection and use of materials, fittings, and components, and workmanship The membrane can contribute to a construction meeting this Standard. See the Installation part of this Certificate. Standard: B2.2 Selection and use of materials, fittings, and components, and workmanship The membrane comprises an acceptable material. See section 14 of this Certificate. Regulation: 16 Preparation of sites Standard: G2.1 Preparation of a site and resistance to moisture from the ground Preparation of a site The membrane can contribute to satisfying the requirements of the Standard with regard to the control of the effects of methane and carbon dioxide. See section 9.1 of this Certificate. Regulation: 17 Resistance to moisture Standard: G2.6 Preparation of a site and resistance to moisture from the ground Resistance to moisture from the ground The system can enable a floor to satisfy the requirements of this Standard. See section 8.1 of this Certificate. 3 The Building Regulations (Northern Ireland) 2000 In the opinion of the BBA, Proofex Engage, if used in accordance with the provisions of this Certificate, will satisfy or contribute to satisfying the various Building Regulations as listed below. Regulation: B2 Fitness of materials and workmanship The membrane comprises an acceptable material. See section 14 of this Certificate. Regulation: C2 Preparation of site and resistance to dangerous and harmful substances The membrane can contribute to satisfying the requirements of the Regulation with regards to methane and carbon dioxide. See section 9.1 of this Certificate. Regulation: C4 Resistance to ground moisture and weather Tests for water resistance of the membrane indicate that it can enable a floor to satisfy the requirements of this Regulation. See section 8.1 of this Certificate. 4 Construction (Design and Management) Regulations 1994 (as amended) Construction (Design and Management) Regulations (Northern Ireland) 1995 (as amended) Information in this Certificate may assist the client, planning supervisor, designer and contractors to address their obligations under these Regulations. See section: 5 Description (5.2). 2

3 Technical Specification Electronic Copy Design Data 5 Description 5.1 Proofex Engage is manufactured by heat welding a low-density polyethylene (LDPE) membrane to an LDPE net. The membrane includes a self-adhesive sealing strip on the selvedge for joining membranes. 5.2 The product s nominal characteristics are given in Table 1. Table 1 Nominal characteristics Characteristic (units) Nominal value overall thickness (mm) 4.0 to 5.0 membrane thickness (mm) 0.8 roll width (m) 1.27 roll length (m) 30.0 edge lap (mm) 68.0 roll weight (kg) Items used in conjunction with the system are: Proofex Engage Detail Strip a reinforced, double-sided, waterproof adhesive tape for sealing and jointing roll ends, cut ends, cut edges and wall-to-floor detailing. The strip consists of a strong synthetic fabric, impregnated with a bitumen rubber adhesive. Each side of the tape is protected with a removable release film Proofex LM a two-component bituminous, liquid membrane for use at intricate details (eg pipe entries, penetrations) Proofex LM Mesh a reinforcement mesh for use with Proofex LM in areas of high stress Plastiseal a flexible rubber-bitumen joint sealant Plastijoint a thermoplastic, bitumen-based putty joint sealant Fosroc Solvent 102 used to tackify selvedge adhesive in damp or cold conditions. 5.4 Quality control checks are carried out during the manufacture of the membrane, and include: dimensions appearance peel test. 6 Delivery and site handling 6.1 The membrane is delivered to site in rolls, five rolls to a pallet. Each roll is wrapped in a preprinted film bearing company details, product name and the BBA identification mark incorporating the number of this Certificate. 6.2 The membranes should be stored under cover in the original unopened packaging and kept in cool, dry conditions away from direct sunlight. 7 General 7.1 Proofex Engage is satisfactory for use as waterproofing and damp-proofing in grades 2, 3 and 4 basement constructions as defined in Table 1 of BS 8102 : The membrane restricts the ingress of methane into buildings from landfill and naturally-occurring sources. 7.2 When fully protected and subjected to normal service conditions, the membrane will provide effective barriers to the transmission of liquid water and water vapour for the life of the structures in which they are incorporated (see section 8 of this Certificate). 7.3 The membrane is compatible with concrete, smooth brickwork and blockwork or screeded substrates and is resistant to those chemicals likely to occur in normal service conditions. 7.4 Buildings in areas at risk from landfill gas should be constructed in accordance with BRE recommendations laid out in BRE Report 212 Construction of new building on gas-contaminated land. 8 Resistance to water and water vapour 8.1 Tests confirm that the membrane and joints in the membrane, when completely sealed and consolidated, will adequately resist the passage of moisture from the ground and so meet the relevant requirements of the national Building Regulations: England and Wales Approved Document C4, Section 3.3 Scotland Regulation 17, Standard G2.6 Northern Ireland Regulation C The membrane is impervious to water and, when used will give a waterproof layer capable of accepting minor structural movements without damage. 9 Resistance to methane and carbon dioxide 9.1 The membrane is capable of restricting the ingress of methane and carbon dioxide gases from landfill and natural-occurring sources into the building. 9.2 The minimum requirement for a gas-resistant membrane as recommended in BRE Report 212 is 300 µm thick polyethylene (Proofex Engage membrane is 800 µm). It is generally accepted that other materials with comparable or higher gas resistance can be suitable, provided they can 3

4 withstand the construction process. In the opinion of the BBA the membrane meets these criteria. 10 Resistance to puncture The membrane is robust but, in common with most sheet membranes, can be damaged by sharp objects and care should be taken with exposed surfaces during construction. 11 Mechanical bond and stability 11.1 Tests confirm that the mechanical bond between the membrane and substrate is satisfactory The properties of the membrane are such as to accommodate minor movements likely to occur under normal service conditions in the structure in which the membrane is incorporated. 12 Effects of temperature The membrane, once installed, will not be adversely affected by temperatures likely to occur on site prior to backfilling. 13 Maintenance and repair Damage to the membranes can be adequately repaired by patching with a suitable material prior to backfilling. 14 Durability Proofex Engage, when fully protected and subject to normal service conditions, will provide an effective barrier to the transmission of liquid water and water vapour for the life of the structure in which it has been incorporated. Installation 15 General 15.1 Proofex Engage must be installed in accordance with the relevant requirements of BS 8102 : 1990 and the Certificate holder s instructions Horizontal substrates must be a smooth, prepared substrate of either concrete blinding or well-rolled granular fill with a compacted sand blinding. The substrate must be free from loose aggregate or other sharp protrusions. Standing water must be removed to prevent contamination of the overlap areas. Electronic Copy 15.3 Vertical substrates should be either suitable adjoining structures or formwork All surfaces to which the membrane is applied should be sound and solid to eliminate movement during the pouring of concrete. 16 Procedure 16.1 The membrane is cut to a convenient length to install and is laid out on the substrate with the net side uppermost The adjacent sheets are accurately laid to ensure they overlap the previous sheet by 68 mm along the adhesive selvedge. Adjacent full sheets should be staggered half a sheet length to avoid coinciding end joints The end of sheets and cut edges are butt jointed using Proofex Engage Detail Strip. The upper surface of the joint can be further sealed using Proofex LM reinforced with Proofex LM Mesh, the overseal should extend 75 mm either side of the joint All overlaps and butt joints should be firmly rolled to ensure bonding between the layers In cold or damp weather conditions the selvedge adhesive may be tackified using Fosroc Solvent 102. Proofex Engage Detail Strip may be gently heated to remove moisture and improve initial adhesion in cold conditions using a heat gun or gas torch on a low setting Gentle heating may also be used to assist in bending of the membrane at floor-to-wall junctions When installed vertically the membrane must be secured to the substrate using the appropriate mechanical fastenings suitable for the substrate When installed using removable formwork, it is recommended that a minimum concrete compressive strength 10 Nmm 2 is achieved before the formwork is removed. 4

5 Technical Investigations The following is a summary of the technical investigations carried out on Proofex Engage. 17 Tests 17.1 Samples of the membrane were obtained from the manufacturer for testing. The results of tests carried out are typical values for the material and are summarised in Tables 2 and 3. Table 2 Physical properties directional Test (units) Method (1) Mean results long (2) trans (3) Tensile strength BS EN ISO (N per 50 mm) (test speed unaged 100 mm min 1 ) heat aged (4) UV aged (5) Elongation at BS EN ISO maximum load (%) (test speed unaged 100 mm min 1 ) heat aged (4) UV aged (5) Dimensional MOAT 27 : stability (%) (1) The test documents are detailed in the Bibliography. Numbers in the table refer to the sections/parts of the various documents. (2) Longitudinal direction. (3) Transverse direction. (4) Heat aged for 56 days at 60 C. (5) UV aged for 100 light hours using UVB 313 lamps cycling 4 hours UV at 50 C followed by 4 hours condensation at 50 C. Table 3 Service performance Test (units) Method (1) Mean results Water vapour permeability BS (gm 2 day 1 ) (25 C/75% RH) Water vapour resistance BS (MNsg 1 ) (25 C/75% RH) Resistance to water pressure MOAT 27 : membrane (6 m head) pass overlap joint pass butt joint pass Chisel impact BBA T1/13 (2) 0 C 3 (3) 23 C 3 (3) Static indentation MOAT 27 : concrete (4) L 4 Dynamic indentation MOAT 27 : concrete (4) I 2 Bond strength (kpa) EOTA TR Joint tensile strength (N) MOAT 27 : 5.2.2/3/4 overlap joint unaged 384 heat aged (5) 497 water soak (6) 400 Butt joint unaged 308 heat aged (5) 441 water soak (6) 284 (1) The test documents are detailed in the Bibliography. Numbers in the table refer to the sections/parts of the various documents. (2) Based on BE 27, Appendix B C(v). (3) Severe indentation. (4) Test carried out on membrane fully bonded to cast concrete. (5) Heat aged for 28 days at 70 C. (6) Water soak for 7 days at 60 C. Electronic Copy The following properties were also measured: thickness width weight per unit area Test data from independent test laboratories on methane and carbon dioxide permeability were also examined. 18 Investigations 18.1 The manufacturing process was examined, including the methods adopted for quality control, and details were obtained of the quality and composition of the materials used A site in progress was visited to investigate the practicability of installation methods. Bibliography BS 3177 : 1959 Method for determining the permeability to water vapour of flexible sheet materials used for packaging BS 8102 : 1990 Code of practice for protection of structures against water from the ground BS EN ISO : 1996 Plastics Determination of tensile properties Test conditions for films and sheets EOTA Technical Report TR 004 (May 1999), Liquid Applied Roof Waterproofing Kits (LARWK) Determination of the resistance to delamination MOAT No 27 : 1983 General Directive for the Assessment of Roof Waterproofing Systems BE27 Department of Transport Checks and Tests for the Approval of Waterproofing Systems for Concrete Decks to Highway Bridges (Superseded by BD 47)

6 Conditions of Certification 19 Conditions 19.1 This Certificate: (a) relates only to the product that is described, installed, used and maintained as set out in this Certificate; (b) is granted only to the company, firm or person identified on the front cover no other company, firm or person may hold or claim any entitlement to this Certificate; (c) has to be read, considered and used as a whole document it may be misleading and will be incomplete to be selective; (d) is copyright of the BBA References in this Certificate to any Act of Parliament, Regulation made thereunder, Directive or Regulation of the European Union, Statutory Instrument, Code of Practice, British Standard, manufacturers instructions or similar publication, shall be construed as references to such publication in the form in which it was current at the date of this Certificate This Certificate will remain valid for an unlimited period provided that the product and the manufacture and/or fabricating process(es) thereof: (a) are maintained at or above the levels which have been assessed and found to be satisfactory by the BBA; Electronic Copy (b) continue to be checked by the BBA or its agents; and (c) are reviewed by the BBA as and when it considers appropriate In granting this Certificate, the BBA makes no representation as to: (a) the presence or absence of any patent or similar rights subsisting in the product or any other product; (b) the right of the Certificate holder to market, supply, install or maintain the product; and (c) the nature of individual installations of the product, including methods and workmanship Any recommendations relating to the use or installation of this product which are contained or referred to in this Certificate are the minimum standards required to be met when the product is used. They do not purport in any way to restate the requirements of the Health & Safety at Work etc Act 1974, or of any other statutory, common law or other duty which may exist at the date of this Certificate or in the future; nor is conformity with such recommendations to be taken as satisfying the requirements of the 1974 Act or of any present or future statutory, common law or other duty of care. In granting this Certificate, the BBA does not accept responsibility to any person or body for any loss or damage, including personal injury, arising as a direct or indirect result of the installation and use of this product. In the opinion of the British Board of Agrément, Proofex Engage is fit for its intended use provided it is installed, used and maintained as set out in this Certificate. Certificate No 03/4042 is accordingly awarded to Fosroc Limited. On behalf of the British Board of Agrément Date of issue: 29th August 2003 Chief Executive 6

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8 Electronic Copy British Board of Agrément P O Box No 195, Bucknalls Lane Garston, Watford, Herts WD25 9BA Fax: mail@bba.star.co.uk website: For technical or additional information, contact the Certificate holder (see front page). For information about the Agrément Certificate, including validity and scope, tel: Hotline , or check the BBA website.