External Waterproofing Membrane Double Drain (2m x 15m Roll)
£220.00 Price incl. VAT: £264.00
Double Drain is a vertical drainage layer for external basement walls and a protection board to primary membranes.
It consists of an impermeable studded sheet, manufactured from highdensity polyethylene with a polypropylene filter fabric bonded to the top of the surface of the studs.
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