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BSK Building Paper 420

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Product Description

Sisalkraft 420 is a waterproof building paper meeting the requirements of BS 1521 A1F. It is used as a waterproofing/weatherproofing layer in building construction as a vapour check membrane and for temporary protection and separation where a tough, water - resistant material is needed. Sisalkraft 420 is a traditional waterproof building paper with two plies of wet - strength pure Kraft paper laminated together with bitumen and reinforced with glass fibre yarn.

Key Features

Meets BS 1521 A1F.
Moisture vapour resistance 41 MNs/g.
Traditional materials of proven performance.
Condensation - resistant, non - slip, non - glare finish.
Heavy duty grades incorporate a reinforced bitumen core to assist sealing around fixings.
Designed to utilise materials from renewable resources.
Quality assured UK manufacture to British standards.

Advantages

Easy to form, fix and seal without specialised tools or material.
Can be folded and cut easily using a knife or scissors.

BSK Building Paper 420 Properties	Test Method	Result
Nominal Weight		302g/m2
Nominal Thickness		0.24mm
Gauge Equivalent		920
Tensile Strength (MD)		16kN/m
Tensile Strength (CD)		10kN/m
Vapour Resistance	BS 3177	42MNs/g
Sd-Value	By Calculation	8.4m
Water Resistance	BS 1521	Class A1F
Roll Size		1 x 25/50m, 1.5 x 50m
Colour		Brown

Probond R.G. Tape

Probond R.G. Tape is a high quality rubber based strip sealant compounded with selected filters and plasticisers to give good elasticity and adhesion to most building materials.

Datasheet Downloads

BSK Building Paper 420 Datasheet

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