Hambleside Danelaw Double Roman Tile Vent, TV15/3 - Slate Grey (Box of 5) 
Hambleside Danelaw Double Roman Tile Vent, TV15/3 - Terracotta (Box of 5) 
Code 5 Cast Lead - 760mm x 3m 
ALM Code 3 Milled Lead - 210mm x 6m 
ALM Code 6 Milled Lead Flashing - 850mm x 3m 
Everbuild Everflex Contract 700T LMN Silicone - Bronze (Box of 25) 
Everbuild 404 Fungicidal Wash – 5 Litre 
Ronseal Knot Block Primer & Undercoat - White 2.5L 
Bond It Drive Alive Tarmac Restorer - 4 Litres 
ALM Code 5 Milled Lead - 760mm x 3m 
ALM Code 7 Milled Lead - 210mm x 3m 
OX Pro Wide Head End Cutting Nippers - 200mm 
Standard Brush 2-Inch 
OX Polyzip Flex C2 Cutter - 25mm to 55mm 
Bond It Incredibond Solvent Free Adhesive - White 310ml 
Ronseal Damp Seal Aerosol - White 400ml 
Soudal Soudafoam Window & Door Gun Grade – 750ml 
Soudal Repair Express Cement – Beige 290ml (Box of 12) 
FloPlast Half Round Downpipe Socket, Black 
FloPlast Square Fascia Bracket Black – 114mm 
Siroflex Contractors Lead Sheet Silicone - Grey 300ml 
Ronseal Precision Finish Brush - 0.5 Inch 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.
