Cromar Vent 3 Classic Breathable Membrane - 1m x 50m 
FloPlast Half Round Running Outlet, Black 
OB41 Multi-Use Penetrating Oil Spray - 400ml 
Restec CSM Fibreglass Roll 450g/m² - (30m² Roll) 
Ronseal Hairline Crack Ready Mix Wall Filler - White 330g 
OX Trade XL Cuts All Tiles Diamond Blade 
OX Pro 7 Piece Screwdriver Set 
OX Tools Pro Combination Square 300mm / 12in 
Timco 6pcs Stubby Screwdriver Assorted Set 
FloPlast Round Line Downpipe Clip, White 
Ronseal One Coat Stays White Radiator Paint - Matt 250ml 
OB41 Silicone Lubricant Spray 400ml 
Code 7 Cast Lead - 510mm x 3m 
OX Polyzip Flex C2 Cutter - 25mm to 55mm 
Bond It Felt Adhesive - Black 2.5L 
Evo-Stik Liquid Nails Solvent Free - Buff 290ml 
Everbuild Seal Rite Strip Out Tool 
Bond It Patio Seal Paving & Patio Sealer, Clear - 5L 
Soudal Fix ALL Turbo - Black 290ml (Box of 12) 
Everbuild All Purpose Wallpaper Paste (Hangs 30 Rolls) 
Timco Professional Wire Strippers 
Timloc Double Roman Tile Vent Grey (Box of 6) 
Timco Copper Disc Rivets 
Sika Multi-Use Biodegradable Wonder Wipes (60 Wipes) 
Code 3 Cast Lead - 1600mm x 3m 
Timco Classic Pozi Multi-Purpose Screws - Mixed Tray 
Sika MaxMix Waterproofer - 1 Litre 
FloPlast Half Round Pipe Socket, Brown 
Soudal Butyrub Non-Setting Mastic - Black 300ml 
Klober Plain Roof Tile Vent Adaptor - KG990500 
Easy-Trim Universal Dry Verge System - Terracotta 
Timloc Multi Stepped Duct Adaptor (Fits 100/110/125/150mm Duct) 
Sika Stone Protector - Clear 5 Litre 
Roughneck® Gorilla Pro-Grip Utility Bar - 376mm/15inch Geotec Felt
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Geotec Felt
Where your lead protects your roof from the weather, Geotec felt protects the lead from the roof. It does this in three ways. Firstly, lead laid nakedly on materials like concrete or stone may be at risk of corrosion, while lead on timber may slowly be leached away by moisture. This may start to damage and destroy the lead layer. Geotec felt serves as an intermediate layer that will guard the lead from moisture or corrosion.
Secondly, Geotec felt decreases drag arising from thermal movement. Lead expands and contracts as the temperature changes it. However, often the materials it is laid on do not. In addition, they may be rough or have an uneven surface. This causes damage as the lead strains against the material holding it up. Geotec felt provides a gentle, smooth surface for lead to thrive on, letting it expand and contract safely.
Thirdly, geotec felt is porous and permits airflow. This allows moisture to be dried out and ventilates the underside of the lead and the topside of the materials the lead would otherwise rest on. This reduces damp, and therefore the chance of rotting or mould. Geotec felt can therefore be an important asset in reducing roof condensation.
