Whether you’re weathering a pipe through a flat roof, sealing a drainage point, finishing a wall abutment or providing roof ventilation, lead remains the most durable and reliable flashing material available. Leadworx manufactures a complete range of lead flat roof flashing products, all made in Cornwall from 100% recycled Code 4 sheet lead milled to British Standard BS EN 12588, and designed to arrive ready to install straight out of the box.
Our lead flat roof slates provide a weather-tight seal where a soil pipe, vent pipe or flue passes through a flat roof deck. Available in diameters from 75mm to 300mm, they suit standard 110mm soil pipes as well as 5 and 6 inch twin-wall flue applications. Each slate features a central upstand spigot of 150mm, with the base plate dimensioned to allow integration with torch-on felt, hot bitumastic, asphalt and fibreglass flat roofing systems. If your pipe falls outside the standard range, bespoke sizes can be fabricated to order.
Standing water on a flat roof accelerates deterioration of the roof finish and risks water ingress. A lead flat roofing outlet provides a clean drainage solution for flat roofs, balconies and shallow-pitch roofs, directing water directly into standard downpipes. Available in 50mm, 75mm and 100mm spigot diameters, with a 200mm spigot length that allows for on-site trimming without the need for precise cuts into soffits.
Corners are where flat roof lead flashing most commonly fails, hand-formed lead is time-consuming on site and difficult to execute consistently. Our lead flat roof corner flashings are supplied as pre-welded internal or external pairs, left and right, with a 150mm upstand, 150mm return and a 50mm cut-in allowance to lap cleanly with a roll of lead sheet. They remove the skilled site-forming time while maintaining a neat, durable finish at wall abutment corners.
Available as internal pairs, external pairs, or a mixed set of both.
Where a flat roof requires ventilation of the roof void, or a soil pipe stack requires termination above roof level, our lead flat roof vents offer a discreet, durable and permanent solution. Available in three profiles, Cone, Dome and High-Top, to suit different airflow requirements and aesthetic preferences. All three are manufactured from sheet lead to BS EN 12588 and available in a range of collar diameters.
Lead has been the preferred flashings material in British construction for centuries, and continues to outperform plastic and aluminium alternatives in longevity, workability and weather resistance. Key reasons to specify lead flat roof flashing:
All Leadworx flat roof flashing products are manufactured in Cornwall from 100% recycled lead, meeting the requirements of BS EN 12588. Bespoke sizes and specifications are available across the range.
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