Xtra-Load GRM

Xtra-Load GRM Gas Resistant Self Adhesive Tanking Membrane is a high performance, self-adhesive flexible cold applied waterproofing membrane for horizontal and vertical applications. When correctly specified, installed and fully protected will provide an effective barrier to water, water vapour and radon. Xtra-Seal GRM is compatible with concrete, smooth brick or blockwork and screeded substrates.

Description

Features & Benefits

  • Ease of application.
  • Resistant to tearing.
  • Tested by National Radiological Protection Board (NRPB) for resistance against Radon.
  • Tested by Wimpey Environmental for resistance against Methane.
  • Compatible with all forms of DPM’s and DPC’s.
  • Joints and seals easily.
  • High water vapour resistance.

Product Availability

Xtra-Load GRM comprises of a bitumen/polymer, self-adhesive compound, aluminium foil and cross-laminated, high-density polyethylene carrier, with a white finish to the upper surface with a 50mm self adhesive bitumen selvedge with a pull off release film giving improved overlap security. The aluminium foil layer provides resistance to the passage of gasses such as methane, carbon dioxide and radon. 

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