Everflex Premium+ 450 Builders Silicone – White 300ml (Box of 25) 
Code 5 Cast Lead - 180mm x 6m 
Everbuild Stick2 All Purpose Clear Adhesive - 30ml 
FloPlast Half Shed Round Miniflo Water Butt Guttering Pack, Black - 14 Pieces 
Ronseal Anti-Bacterial Worktop Oil - Clear 500ml 
Ronseal Stays White 2in1 Paint & Primer - Satin 2.5L 
Soudal Swipex Wipes - 100 Wipes 
Everbuild Opti-Mix 3-in-1 Render Additive – 1 Litre 
Everbuild 404 Fungicidal Wash – 5 Litre 
Everbuild KOS Fire Cement Buff – 2kg 
Stanley Heavy-Duty Scraper - 75mm 
Soudal Window & Door Expanding Foam - Genius Gun Max 600ml Champagne (Box of 12) 
ALM Code 7 Milled Lead - 360mm x 6m 
Everbuild Pro Fill - Light Grey 500g 
OX Pro Super Open Mouth Tool Bag 
ALM Code 4 Milled Lead - 760mm x 6m 
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Klober Adaptor For 20K Vents - KG979700 
Samac Aluminium Annular Ring Nails - 1kg (38mm x 3.35mm) 
Freeflow Round 112mm Gutter System 135° - Black 
ALM Code 5 Milled Lead - 390mm x 3m 
Code 6 Cast Lead - 210mm x 6m 
Lead Sheet Restorer - G3 
Bond It Wood Pro High Strength Flexible Hybrid Adhesive - EU3 Buff 
Soudal Compact Foam Gun PU Foam 
Bond It B3 Fill And Fix Expanding Foam Aerosol - Beige 750ml 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.
