Use Geotextile Waterproofing Membrane on below-ground structures to manage water to the land drain helping to relieve water pressure from the structure. What is Geotextile Waterproofing Membrane? The Geotextile Waterproofing membrane is a cavity drain membrane consisting of one layer of 8 mm studded HDPE membrane and one layer of nonwoven geotextile. Suitable for use in all construction types it helps to drain off the water prior to it reaching the external structure. The membrane isolates and protects the external structure from the surrounding soil and relieves the hydrostatic pressure from the face of the structure. The membrane covers 40 m2 and comes in a 2 m x 20 m roll. How do you use Geotextile Waterproofing Membrane? Prior to installing the membrane, the wall must be painted using a bitumen paint. The membrane is then fixed to the external face of the wall with the geotextile fabric facing outwards using a plastic brick plug at the top edge of the membrane. All lap joints should be sealed using a waterproof tape. The drainage channels must be fully surrounded in a clean granular fill. The membrane must extend below the level of the drainage channels. Care must be taken when backfilling against the membrane so as not to puncture it.
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widley,
portsmouth
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PO7 5AQ
