Everbuild Roof & Gutter Sealant – Black 295ml 
OB1 Diamond Crystal Clear Universal Sealant & Adhesive 290ml 
Klober Profile-Line Flat Tile Vent - Slate Grey KG9856-3-0429 (Box of 10) Washers
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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.
