ALM Code 4 Milled Lead - 914mm x 6m 
Leadax Lead Free Flashing Alternative 150mm (6m rolls) 
Everbuild Lumberjack 30 Minute PU Wood Adhesive Gel - 310ml (Box of 12) 
1201 Telescopic Underfloor Vent 3-5 Courses 
Bond It Decking Oil - Natural 2.5L 
Roofer Doofer – The Ultimate Roofing Tool 
FloPlast Half Round To Cast Iron Half Round Gutter Adaptor - Black 
FloPlast Round Line Downpipe Clip, White 
ALM Code 8 Milled Lead - 240mm x 3m 
Bond It D4 Professional Wood Adhesive - Clear 1L 
Soudal Neutral Stay Fresh Sanitary Silicone Sealant – Clear 300ml 
Code 7 Cast Lead - 800mm x 3m 
Everbuild EB25 Ultimate Sealant & Adhesive – Grey 300ml (Box of 12) 
Hambleside Danelaw TV15/4 Tile Vent - Terracotta (Box of 5) 
Soudafoam Gap Filler Genius Gun - 600ml 
Evo-Stik 528 Instant Contact Adhesive – 1 Litre 
Everflex Premium+ 450 Builders Silicone – Translucent 300ml (Box of 25) 
Bond It Bitumen Paint - Black 5L 
Ronseal Ultra Tough Hardglaze Clear Varnish - 750ml 
Soudal Swipex Wipes - 100 Wipes 
Code 3 Cast Lead - 240mm x 6m 
Everbuild Instant Nails – White 290ml 
ALM Code 5 Milled Lead - 240mm x 6m 
Everbuild KOS Black Fire Cement - 500g 
ALM Code 3 Milled Lead - 150mm x 3m 
Everbuild All Purpose Ready Mixed Filler - 1kg 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.
