Monarflex RAC
QA Certificate
Certificate type
High performance methane gas and radon barrier.
A high performance, six layer membrane manufactured from a virgin special co-polymer blend of polyethylene with a strong polyester reinforcing grid with a 12 x 12 mm mesh size and an aluminium foil layer to give high strength and tear resistance and low permeability to gas. It provides an effective barrier to the passage of methane, radon, air and moisture from the underlying soil. It is also suitable for dealing with volatile organic compounds (VOCs). Can be used in conjunction with Monarflex Top-Hat units with retention clips, Monarseal Easi-Flash Self-adhesive Radon Flashing and Easi-Pour Liquid Radon Sealant.
Joints should be sealed with Monobond RT Tape.
Necoflex RAM system:
Can be used with other products to form the radon, air and moisture protection system for ground floors in buildings. It is used to seal floors, walls and service penetrations, thereby ensuring the necessary degree of separation between the interior spaces of a building and the underlying soil.
Size | 2 x 25 m rolls |
Uniclass 2015 | |
CAWS | D21/350 Gas-retardant membrane D21/38 Gas-retardant membrane J40/140 Loose laid plastics or rubber sheet gas retardant damp proofing J40/35 Loose laid plastics or rubber gas retardant damp proofing |
Product Reference | Monarflex RAC |
Standard product features | Size: 2 x 25 m rolls. Thickness: 0.81 mm. Colour: Grey. Joints: End and side laps minimum 150 mm. Technical properties:
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- IAB: Certificate: 09/0328