Greengates Builders Merchants

Available From Greengates Builders Merchants Accrington, Lancashire - Base Line 8 Kits

BASELINE 8 MEMBRANE KIT FROM WYKAMOL is a General purpose cavity drainage membrane for the isolation of damp/wet walls above and below ground.

Kontract 8 is a high density polyethylene membrane incor­porating 8 mm studs which allow the creation of a continuous drainage pathway for water in basement floors and walls and/or the isolation of damp walls above ground level.

The dry surface created allows rapid project completion via dry lining and screeding or timber floor finishes.

Kontract 8 cavity drainage membrane can provide a dry, warm and habitable living space in basements and other areas suffering chronic damp conditions. However, it is equally important to ensure that areas which lack natural ventilation are provided with adequate means of condensation control, especially in wet areas such as kitchens, bathrooms etc. This is normally best dealt with through the provision of an effective mechanical ventilation system.

Kontract 8 is normally finished by dry lining. Timber battens can be fixed to the wall via the pre-drilled screw threads in the Brick Plugs or plasterboard can be fixed to a timber or metal free-standing frame.

After fixing plasterboard and applying a suitable finish plaster permanent decorations such as vinyl papers or oil paints can be applied without delay.


Wykamol membranes provide a gas barrier system by the creation of an air gap when the studs of the membrane form a cavity within the building which allows the gas to flow freely beneath them to an extraction point. When dealing with gas situations it is imperative for all joints to be sealed with care. The installation of a specially calibrated positive pressure pump is needed to exhaust any gas that is contained behind the membrane.

Where a gas tight membrane is required which also forms part of the water­pro­ofing system an additional sump system complete with an AMA Drainer 301 pump is required to remove water ingress collected by the system.

It is advised expert consultation and advice is sought when dealing with gas conta­mina­tion issues.­ 

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Greengates Builders Merchants delivering to the whole of Lancashire including: Accrington, Blackburn, Burnley, Clitheroe, Darwen, Great Harwood, Haslingden, Padiham and Pendle.

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