Further technical information such as composition and manufacture, size and weight, performance and sitework...
Composition and manufacture
RAC has ten layers and is composed of a polyethylene membrane, incorporating encapsulated aluminium foil and a reinforcing grid.
The Reflex Super has seven layers and also comprises a polyethylene membrane, incorporating encapsulated aluminium foil and a reinforcing grid.
The Monarflow 27 consists of a HDPE core, hot welded to a geotextile filter.
Size and weight
RAC: 0.8mm thickness.
Reflex Super: 0.45mm thickness.
Monarflow 27: 915mm roll width.
The RAC membrane is Grey with a smooth finish and the Reflex Super membrane is Sand-coloured on top and Silver on the underside, with a ribbed finish.
Both gas barriers, RAC and Reflex Super, have methane transmission rates below the limit of detection and are very robust and weldable.
The RAC is also resistant to VOCs, CH4 and CO2.
All materials installed by Monarflex Geomembranes Ltd are compliant with ISO 9001:2000, using BBA certified products where applicable.
View Underground gases protection Product Entry