A BBA accredited polythene damp proof membrane designed to protect buildings from the passage of water and water vapour from the ground when installed to appropriate standards. Available in 250mu, 300mu and 500mu nominal thicknesses to suit different specification requirements, all at 4m wide. Available in single rolls from stock or in pallet quantities of forty rolls. Benefits BBA accredited — independently verified for performance and reliability Protects buildings against ground water and water vapour ingress Available in three thicknesses — 250mu, 300mu and 500mu — to suit different specification requirements 4m wide rolls for efficient coverage with fewer joints Available in single rolls or pallet quantities for larger projects Good to know Available sizes: 4m x 25m (250mu / 23kg), 4m x 25m (300mu / 27.6kg), 4m x 12.5m (500mu / 23kg) Pallet quantity: 40 rolls Always refer to the product data sheet and install to appropriate standards