10 x Permavent Black Breather Membrane – 1m x 50m 
Cromar Bitumen Trowel Mastic - Black 1L Washers
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Ronseal Stays White 2in1 Paint & Primer – Gloss 2.5L
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Everbuild Tecnic Silicone 825 – Brick Red 380ml (Box of 25)
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Thompson’s Emergency Roof Seal – Black 1L
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Code 3 Cast Lead – 1000mm x 6m
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Washers
Washers are a vital part of various fixings in construction applications. Each washer available is crafted to suit a specific application; even though they can be versatile at times, most washers come in a particular size and material to fit the purpose of the application.
The purpose of washers is to distribute the load caused by the fixing evenly, ensuring minimal abrasion and impact and protecting both surfaces. Their position between the two surfaces enables them to be fixed tight, ensuring minimal stress between the surfaces and significantly reducing the chance of leakage.
