1200-gauge radon-proof and damp-proof membrane.
Suitable for use as a loose-laid radon barrier damp proof membrane for solid concrete ground floors that are not subject to hydrostatic pressure.
An approved blown polythene radon-proof and damp proof membrane. The material meets Building Research Establishment (BRE) and Building Regulations requirements for use as a gas control membrane against radon. The product is CE approved to EN 13967.
The manufacturer advises using compatible butyl and foil sealing tapes to ensure a complete gas seal is maintained throughout the life of the product.
4 x 25 m
D21/350 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
Gas Barrier and Damp Proof Membrane.
1200 gauge/ 300 micron (nominal)/ 0.3 mm.
4 m, c-folded.
Roll length (minimum)
Novia 1200 Gauge/ 300 Micron Radon Gas DPM
6 ±15% (10-12 m²/s).
5 ± 15% (10-9 m/s-1).
Novia Double Sided Butyl Tape.
Novia Foil Tape.
Novia Metallised BOPP Tape.
Country of material origin
Country of product manufacture
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