Klober Profile-Line Twin Plain Tile Vent - Slate Grey KG9861-0429 (Box of 10) 
FloPlast Half Round Square Line Gutter Adaptor - White 
Evo-Stik Roof & Gutter Sealant Black – 290ml 
Ronseal Multi Purpose Smooth Finish Filler - 330g 
Code 3 Cast Lead - 450mm x 6m 
Bond It Contractors PVA - 5L White Washers
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Cromapol Acrylic Roof Coating – 1kg
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Restec GRP Acetone Cleaner – 1 Litre
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Everbuild Stick2 Hard Plastic Adhesive – 30ml
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Hambleside Danelaw TV15/7 Tile Vent – Slate Grey (Box of 5)
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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.
