Timloc Universal Slate Roof Vent 
ALM Code 6 Milled Lead Flashing - 150mm x 6m 
Soudal Fix ALL High Tack – Grey 290ml (Box of 12) 
Easy-Trim Universal Dry Verge System - Brown 
FloPlast Half Round Internal Stop End, Brown – 112mm 
Bond It Cover-It Carpet Protector - Clear 625mm X 25M 
Ronseal Quick Drying Smooth Finish Filler - 600g 
Timloc Underlay Felt Lap Vent (Box of 50) 
Lead Flexi Slate Pipe Flashing - Pitched 
ALM Code 3 Milled Lead - 914mm x 6m 
Timco Flat Wood Bit 1/4" Extension Rod - 300mm 
Bond It FG8 Food Grade Silicone - White 310ml 
BORA - PM-4550 Adjustable Speedhorse XT 
Restec GRPROOF 1010 Base Coat Resin - 20kg 
ALM Code 4 Milled Lead - 180mm x 3m 
Code 6 Cast Lead - 1200mm x 3m 
Everbuild Roof & Gutter Sealant - Black 295ml (Box of 12) 
Bond It Power Proof Concentrated Waterproof Render Admixture - 1 Litre 
OB41 Multi-Use Penetrating Oil Spray - 400ml 
FloPlast Half Round Internal Stop End, Black – 112mm 
Code 8 Cast Lead - 300mm x 3m 
OX Spectrum Trade XL 3 Core & Accessories Set 
Siroflex Painters Caulk-It - 380ml 
Code 5 Cast Lead - 800mm x 3m 
Timco Blue Polypropylene Rope 8mm x 15m 
Soudal Repair Express Cement – Grey 900ml 
Ronseal's EGC Hardener BPO - 30g 
Everbuild Forever White Powder Wall Tile Grout – 1.2kg 
OX Pro Tuff Spirit Level - 600mm 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.
