Ronseal One Coat Damp Seal - White 2.5L 
SikaGard Wood Preserver - Clear 5 Litre 
Soudal Neoprene Contact Adhesive Liquid Glue 44A – 50ml 
Code 3 Cast Lead - 800mm x 6m 
Everbuild Firefoam B1 Gun Grade Expanding Foam - Pink 750ml 
Soudal Sealant Remover – 400ml 
Timloc Single Pantile Tile Vent Red (Box of 11) 
Everbuild XT44 Maintenance Spray - 400ml 
Klober Adaptor for 10K Slate and Profile-Line Vents - KG979100 
FloPlast Half Round Fascia Bracket, White – 112mm 
Soudal 5 Minute D4 Wood Adhesive Liquid – 750g (Box of 12) 
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Ronseal Ultra Tough Satincoat Clear Varnish - 5L 
Bond It Decking Cleaner - Clear 5L 
Code 4 Cast Lead - 300mm x 6m 
Timco FirmaHold Collated ST Brad Nails A2 SS - 18g x 5000 PCS 
ALM Code 7 Milled Lead - 240mm x 6m 
Bond It One Hit Wonder Lightweight Filler - White 1L 
Permavent Black Breather Membrane – 1m x 50m 
Everbuild Mammoth Clear Weatherproof Tape 
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Permavent Easy Slate 600 - Box of 100 
Circular Soffit Vent, White 
OX Pro Dry Wall Internal Corner Trowel - 102mm x 127mm 
OX Pro Super Open Mouth Tool Bag 
ALM Code 4 Milled Lead - 180mm x 6m 
ALM Code 6 Milled Lead Flashing - 1600mm x 3m 
Soudal Gap Filler Expanding Foam Gun Grade - 750ml 
Everbuild Showerproof Bathroom Silicone – White 280ml (Box of 12) 
Roughneck® V-Series Axe - 20oz/0.6kg 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.
