Wykamol CM20 Geotextile Membrane – Black

Product Description

The dual layers comprise of the Wykamol 20mm studded HDPE membrane and a non-woven geotextile manufactured from UV stabilised, high tenacity, virgin polypropylene fibres that have been mechanically entangled to provide high strength, high extensibility, high loft and excellent abrasion characteristics. The geotextiles are also thermally treated to reduce thickness while maintaining excellent mechanical properties. Can also provide a passive venting system for gases and liquids.

CM20 is also ideal for use on a green roof. Green roofs can range from roof gardens with raised beds and pots, to rolled-out green carpets, to shed roofs containing planting cells that are filled with soil or compost and planted up with low-growing perennials and grasses.

CM20 Geotextile Membrane is also an excellent radon barrier and has passed all the relevant tests for resistance to this gas.

Special Features

• CM20 Geotextile is an ideal Radon Barrier.
• Excellent flow rate.
• UV Stabilised.
• Suitable for use with all construction types.
• Drains off the water before reaching the waterproof coating.
• Combined drainage and protection board.
• Easy handling and rapid installation.
• Rugged, durable construction with thermal insulation benefits.
• Filtration layers prevent silting-up.
• High compressive strength and drainage capacity.
• Allows back-filling with excavated earth.
• With stands stress and movement in the background.

Typical Uses

• Isolate and protect external structure from surrounding soil
• Helps relieve hydrostatic pressure from the face of the structure
• Ideal for retaining walls, podium decks, external tanking and green roof applications.