Ronseal Exterior Yacht Varnish - Satin 500ml 
Everbuild Coving Adhesive & Joint Filler - 290ml 
Everbuild Patio Wizard – 1 Litre 
Klober Plain Roof Tile Vent Adaptor - KG990500 
Code 8 Cast Lead - 510mm x 3m 
FloPlast Half Round External Stop End, Black – 112mm 
Timco M5 Form A Washer DIN 125 - 50 Pieces 
Samac Aluminium Annular Ring Nails - 1kg (75mm x 3.35mm) 
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Soudal Soudalead PB Lead Sealant - Grey 300ml (Box of 12) 
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Code 4 Cast Lead - 150mm x 3m 
ALM Code 4 Milled Lead - 760mm x 6m 
Easy-Trim Lead R Flashing Smooth – 600mm x 5m 
Everbuild Heavy Duty Double Sided Tape - 50mm x 5m 
SikaFlex EBT+ Polyurethane Adhesive & Sealant, Clear - 300ml (Box of 12) 
OX Tools Pro PolyZip 4 Piece Cutter Set - (15, 22, 35, 42mm) 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.
