Sigma GPS GRM detailing strip is a highly adhesive bituminous membrane strip designed to allow for ease of detailing around penetrations and corners. GRM can be applied both above and below ground. Its is available in 1000mm or 300mm wide rolls but can be cut to 150mm if required.
Sigma GPS GRM Self-Adhesive Membrane is a bituminous, gas proof and water proof sheet. Composed of self-adhesive SBS polymer modified bitumen, with an upper surface finish of aluminium foil and a lower surface finish or siliconized polypropylene release film. GPS GRM is used for the waterproofing of underground structures where harmful ground gasses are anticipated.
Features:
- Self-adhesive detailing membrane
- Used to detail around corners & penetrations
- Fully complies with BS 8485:2015, BRE & CIRIA
- Csan be installed above or below ground level
- Act as both water & gas proofing membrane
Sigma GPS GRM complies with the latest codes of practice as published by BRE, CIRIA and BSI (BS 8485:2015)
**Brought in specially for order**
**None Returnable/Refundable once in Transit**
**Pallet/Delivery Charges will be calculated at checkout depending on quantity and area**
**Isle of Wight and Scotland areas must be quoted - Email sales@straight2site.co.uk**
SIGMA GPS GRM Gas Resistant Self-Adhesive Bituminous Sheet (20m Roll)
Roll weights can be in excess of 20kg hence appropriate care and equipment is required for unloading and handling. This product is non-toxic and not flammable.