BBA Agrément Certificate
A reinforced, loose laid gas resistant membrane.
A reinforced, loose laid gas membrane designed to protect buildings and their occupants from the effects of methane, radon, carbon-dioxide and other harmful gases. Proofex Total also acts as a damp-proof membrane.
Proofex Total is a six layer gas impermeable membrane comprising an aluminium foil layer and a polyester reinforcing grid sandwiched between four layers of polyolefins.
Minimum laps of 150 mm are recommended.
J40/140 Loose laid plastics or rubber sheet gas retardant damp proofing
J40/35 Loose laid plastics or rubber gas retardant damp proofing
Proofex Total sealant tape
Proofex Detail Strip
Use rather than 'Total' tape for increased performance.
Standard product features
Water vapour permeability (BS 3177):
Methane gas transmission rate (BR 212):
Bursting strength (DIN 53141):
800 kPa (min).
Nail tear at maximum load (MOAT 27:5.4.1):