Everbuild Opti-Mix 3-in-1 Render Additive – 1 Litre 
Leadax Lead Free Flashing Alternative 600mm (6M Rolls) 
ALM Code 5 Milled Lead - 1000mm x 3m 
Code 8 Cast Lead - 300mm x 3m 
Bond It Organic Cleaner - Clear 2.5L 
Bond It Contractors Grade PVA - White 500ml 
Soudal Grab Solvent Based Adhesive, Beige 
Easy-Trim Ridge F Universal Dry Ridge System - 6m Kit (Pallet of 84 Boxes) 
Cromar Vent 3 Classic Breathable Membrane - 1m x 50m 
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Everbuild Stixall Extreme Power – Grey 290ml 
Kwik Flash Lead Tool - Turn In Setting Tool For Lead & Zinc Flashing 
Stanley Heavy-Duty Scraper - 75mm 
Restec GRPROOF 1010 Base Coat Resin - 20kg 
Ronseal Quick Drying Smooth Finish Filler - 600g 
Ronseal Interior Varnish - Clear Gloss 2.5L 
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Easy-Trim Patination Oil - 1 Litre 
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ALM Code 6 Milled Lead Flashing - 1200mm x 6m 
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Circular Soffit Vent, Black 
Cromar Vent 3 Light Breathable Membrane - 1m x 50m (Full Pallet of 56) 
Klober Profile-Line Twin Plain Tile Vent - Brown KG9861-0247 (Box of 10) 
Soudal Neutral Stay Fresh Sanitary Silicone Sealant – Clear 300ml (Box of 12) 
Bond It Bitumen Primer - Black 5L 
FloPlast Round Line Downpipe Clip, Brown 
Timco M6 Zip-Fix Cavity Wall Fixings - 10 Pieces 
OX Pro Nylon High Vis Builders Line 105m / 350ft - Cyan 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.
