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Protech GM PP

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Product Description

Protech GM PP is a loose - laid, geo - membrane that is mainly used as a waterproofing liner for attenuation tanks, balancing ponds, lagoons and reed beds. The membrane can also be used as a gas barrier to protect against Methane and Carbon Dioxide on sites with complex foundation arrangements where a greater degree of flexibility, combined with superior multi-dimensional stability, is required.

Key Features

Extremely flexible and easy to lay.
Joints can be integrity - tested.
High Impact Resistance and High Elongation Properties.

Advantages

Large rolls available for reduced installation times.
Smaller rolls available for reduced wastage on smaller schemes.
Full range of ancillary products to ensure that the membrane is gas tight.
Compatible with the Provoid Gas Venting System if used as a gas barrier.
Should always be welded by a qualified installer.

	GM-PP Properties	Results
	Roll Length	50/100m
	Roll Width	2/5.7m
	Density	0.9 g/m3
	Thickness	1.0mm
	Colour	Black
	Tensile Strength @ Break (ASTM D638)	18 N/mm2
	Elongation @ Break (ASTM D638)	>700%
	Puncture Resistance	150 N
	Tear Resistance	60 N
	Moisture Vapour Permeability	<0.1 g/m2/day
	Methane Permeability	<0.16 g/m2/24h/atm