Bostik Flashband Self Adhesive Flashing Tape – Grey 3.75m x 75mm 
ALM Code 4 Milled Lead - 600mm x 3m 
Code 6 Cast Lead - 914mm x 6m 
Everbuild Everflex Premium 145 Butyl Rubber Sealant - Grey 300ml 
Code 3 Cast Lead - 1200mm x 3m 
Everbuild 204 Evermix 3 in 1 - 5 Litre 
Timco Chalk Line Set 
Soudal PVCu Gap Filler, White - 300ml 
Timco Carpenter’s Speed Auger & Flat Wood Bit Kit 
Everbuild P14 System Inhibitor – 1 Litre 
Bond It Squeezy Door and Frame Sealant - EU2 White 
Code 7 Cast Lead - 850mm x 3m 
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Ronseal Quick Drying Stain Block - Aerosol White 
FloPlast Rafter Bracket Top Fix 
EVO-STIK Stick Like Sh*t - White 290ml 
Freeflow 65mm Square Down Pipe Clip Standard - White 
ALM Code 7 Milled Lead - 150mm x 3m 
Bond It Cover-It Hardfloor & Glass Protector - Blue 625mm X 25M 
Bond It Lightweight Render Mesh - 50m x 1m (Pink) 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.
