Klober Profile-Line Twin Plain Tile Vent - Terracotta KG9861-0152 (Box of 10) 
FloPlast Half Round External Stop End, White – 112mm 
Cromar Protect 1F Non-Breathable Roofing Felt – 1m x 45m 
10 x Permavent Black Breather Membrane – 1m x 50m 
Bond It Multi-Purpose Powder Filler - White 450g 
Timloc Castellated Tile Vent Terracotta (Box of 8) 
Ronseal One Coat Stays White Radiator Paint - Gloss 250ml 
Code 8 Cast Lead - 390mm x 6m 
OX Pro 20oz Forged Steel Hatchet 
OX Pro Dry Wall Internal Corner Trowel - 102mm x 127mm 
ALM Code 4 Milled Lead - 390mm x 3m 
Everbuild 703 Fix & Grout Tile Adhesive - White 750g 
Timco Self-Drilling Wing-Tip Metal Construction Screw 
Siroflex Trade Clearbond Adhesive Internal Use - Clear 290ml 
12 x Cromar Vent 3 Pro Breathable Membrane 1m x 50m 
Timco Pipe Shears 
Bond It Superglue Activator Accelerator Spray Cyanoacrylate Aerosol - 200ml 
OX Tools OX Trade Hickory Handle Claw Hammer - 16oz/450g 
Thompson's One Coat Damp Seal - White 2.5L 
Timco Twin-Threaded Woodscrew Mixed Tray 
Chesterfelt Shed Roofing Felt - Green Standard 10m 
Bond It Mega Foam Gun/Aerosol PU Expanding Foam - Beige 500ml 
Code 5 Cast Lead - 180mm x 6m 
Soudal Firecement HT, Black - 300ml 
Permavent Plain Easy - Box of 20 
OX Tools Trade Bucket, Black - 15 Litre 
FloPlast Square Line Pipe Branch Black – 65mm 
Bond It Mirror Pro Adhesive - White EU3 
Patination Oil Lead Mate Flashing Protection Coating - 500ML 
FloPlast Square to Round Downpipe Adaptor - Black 
Everbuild 404 Fungicidal Wash – 5 Litre 
Soudal Soudaduct - Grey 300ml 
Cromar Bitumen Primer – Black 2.5 Litre 
ALM Code 3 Milled Lead - 390mm x 3m 
Spax T-Star Plus Washer-Head Wirox Coated Screws - 6.0 x 200mm (Box of 16) 
FloPlast Half Round Running Outlet, Brown 
Bond It Bitumen Primer - Black 1L 
Timco Round Wire Nails, Pack of 40 
Everbuild Febond PVA - 1L 
ALM Code 6 Milled Lead Flashing - 1000mm x 3m 
Everbuild B1 Hand Held Expanding Fire Rated Foam - Pink 750 ml 
Timco Glazing Shovel - 260mm 
Soudal Butyrub Non-Setting Mastic - Black 300ml 
Ulti-Mate Stonewold Mk2 Roof Tile Vent - Grey 
ALM Code 5 Milled Lead - 1200mm x 3m 
FloPlast Half Round Downpipe Socket, Black 
FloPlast Half Round Stop End Outlet, Black – 112mm 
Bond It A70 Studlock Anaerobic High Strength Adhesive - 25ml Green 
Soudal Soudalead PB Lead Sealant - Grey 300ml 
Soudal Sealant Remover – 400ml (Box of 12) 
ALM Code 8 Milled Lead - 360mm x 3m 
Ronseal Precision Finish Brush - 2.5 Inch 
Timloc Inline Slate Vent Black (Box of 5) 
Bond It Cyanoacrylate Superglue Hi Viscosity - Clear 20g 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.
