Verified by manufacturer 4 months ago
BBA Agrément Certificate
Certificate type
A reinforced, loose laid gas resistant membrane.
Suitable for use as a gas membrane to provide protection against the effects of methane, radon, carbon dioxide and hydrocarbon vapours. Also suitable for use as a damp-proof membrane.
A five layer gas impermeable membrane comprising an aluminum foil layer and a polyester reinforcing grid sandwiched between four layers of polyolefins.
Features and benefits:
Color | Black |
Material | Polyester Aluminium Polyolefin |
Length | 50000 mm |
Width | 2000 mm |
Warranty description | Manufacturer guidanceA project specific warranty document for an agreed period for products supplied in accordance with a detailed specification document is available on request. |
Uniclass | |
CAWS | J40/140 Loose-laid plastics or rubber sheet gas-retardant membranes J40/35 Loose-laid plastics or rubber gas-retardant membranes |
Material | Aluminum foil, polyester, polyolefins. |
Purpose | Gas and damp-proof membrane. |
Standard | To BS 8485, EN 13967. |
Performance characteristics | |
Tensile strength (minimum) | Control: MD: 452 N/50 mm, CD: 380 N/50 mm; Heat aged: MD: 442 N/50 mm, CD: 386 N/50 mm. |
Tear resistance | Longitudinal: 219 N. Transverse: 221 N.Manufacturer guidanceNail tear at maximum load (MOAT 27:5.4.1) |
Elongation to break | 20% (MD and CMD). |
Resistant to underground gases | Methane, radon, carbon dioxide and hydrocarbon. |
Third-party certification | British Board of Agrément (BBA) certificate 21/5880. |
Form | Five-layer, reinforced, ground gas resistant membrane. |
Physical properties | |
Colour | Black. |
Dimensions | |
Thickness (minimum) | 0.4 mm. |
Width (minimum) | 2 m. |
Roll length (minimum) | 50 m. |
Sealant tape | Not required. Proofex Total sealant tape. Guidance for specification option: A double sided butyl sealant tape. Proofex Detail Strip. Guidance for specification option: A reinforced double sided waterproof adhesive tape for sealing and jointing roll ends, cut edges and wall to floor detailing. Use rather than 'Total' tape for increased performance. |
Bursting strength | To DIN 53141, 800 kPa (minimum). |
Methane gas permeability | To BR 212, 0.00 g/m²/day. Manufacturer guidanceMethane gas transmission rate. |
Water vapour permeability | To BS 3177, 0.00 g/m²/day. |
Country of material origin | Czechia |