Everbuild Multi-Use Giant Wonder Wipes Tub (300 Wipes) 
Evo-Stik Impact Adhesive - 500ml 
ALM Code 4 Milled Lead - 510mm x 3m 
Thompson's One Coat Waterseal - 5L 
Timloc 1206 Underfloor Vent Horizontal Rear Extension + 100mm 
Permavent Easy Slate 500 - Box of 100 
OX Pro Tuff 3 Level Kit - 600, 1200 and 1800mm 
Everbuild KOS Fire Cement Buff – 500g 
Everbuild Everflex 225 Industrial & Glazing Silicone - White 295ml (Box of 25) 
Klober Universal Tile Vent Antique Red KG9854 (Box of 10) 
Easy-Trim Lead R Flashing Smooth – 450mm x 5m 
Everbuild Opti-Mix Mortar Plasticiser - 1 Litre (Box of 12) 
ALM Code 3 Milled Lead - 760mm x 3m 
ALM Code 7 Milled Lead - 360mm x 3m 
Ronseal Exterior Yacht Varnish - Gloss 500ml 
OX Pro Heavy Duty Aviation Snips Left Cut (Red) 
Everbuild STICK2® All-Purpose Contact Adhesive – 5 Litre 
Evo-Stik Gripfill Gap Filling Adhesive – 350ml 
ALM Code 8 Milled Lead - 1600mm x 6m 
ALM Code 6 Milled Lead Flashing - 600mm x 6m 
Spax Pozi Pz1 Drill Bits - 25mm (Pack of 5) 
Ronseal Diamond Hard Floor Varnish - Clear Matt 5L 
Everbuild Everflex 195 Siliconised Acrylic Sealant - White 300ml 
Bond It High Gloss Block Sealer - Clear 5L 
Soudal Acetoxy Stay Fresh Sanitary Silicone Sealant – Clear 290ml 
Soudal Construction Silicone, Clear - 290ml (Box of 12) 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.
