1200 g Single Wound Polythene
1200g Single Wound Polythene is a low density polythene membrane for use under floor screeds which are not subject to hydrostatic pressure, to protect buildings against moisture from the ground.
The membrane is manufactured in standard 125mu, 250mu, and 300mu thickness and in roll sizes of 1.5m x 100m, 2m x 100m, and 2m x 50m. The membrane is produced by the blown extrusion process. The product is single would onto cardboard cores and has no folds. This is particularly important when used in conjunction with lightweight screeds to eliminate the possibility of cracking over folds and creases.
1200g Single Wound Polythene Uses
The 300mu is suitable for use under floor slabs and will comply with requirements of the Building Regulations 1991 (as amended) (England and Wales) document C4, resistant to weather and ground moisture.
The 250mu and 125mu product are not intended for use as damp proof membranes under floor slabs but are suitable for use under secondary screeds.
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