Lead Detail Inspiration
A definitive technical guide to correct bay sizing for Code 4–8 rolled lead sheet. Sets out maximum bay widths and lengths for flat and pitched roofs in accordance with industry guidance, written for architects, specifiers and surveyors.
Lead Roof Ventilation: How Poor Airflow Causes Hidden Failures (2026 Technical Guide)
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Lead Roof Failures Explained: 8 Building Pathology Patterns Every Surveyor Should Know (2026 Edition)
Lead roof failures can occur as a result of poor workmanship, incorrect detailing, and improper substrate design. Leadwork, done properly should last for decades, but it is critical that common standards are intertwined to produce an appropriate substrate onto which rolled leads sheet is formed. Commonly, failures occur as a result of a lack of understanding.
Lead Flashing vs Alternatives: 6 Reasons Lead Still Wins in 2026
Lead, despite the competition from alternative products that claim to take it's place, prevails as the most durable material rod flashing and roofing applications. Without question, and according to industry experts, slates and lead, installed correctly, remain the ultimate roofing materials.
The Ultimate 2026 Guide to Rolled Lead Sheet: Codes, Thicknesses & Best Uses
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7 Critical Lead Flashing Mistakes Roofers Still Make (and How to Avoid Them)
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The Definitive Sand Cast Lead Buyer’s Handbook (2025 Edition)
The definitive 2025 buyer’s handbook to sand cast lead for heritage and conservation roofing. Discover how sand cast lead is manufactured, when to specify it instead of rolled lead, how to design bays and substrates, and how to order, store and maintain it on cathedrals, palaces and historic buildings.
Code 10 Sand Cast Lead: 7 Elite Heritage Applications for Sovereign & Monumental Roofs
A definitive conservation guide to code 10 sand cast lead, used on palaces, cathedrals and monumental roofs requiring the highest possible durability. Includes 7 elite heritage applications, movement design, substrate rules, SPAB and NHIG principles, QI defect insights and a complete ordering workflow for specialist projects.
Code 9 Sand Cast Lead: 9 Heritage-Grade Applications for Monumental Roofs
A definitive heritage guide to code 9 sand cast lead, used on cathedrals, historic buildings and monumental gutters where extreme durability is essential. Explore 9 conservation-grade applications, bay sizing, substrate design, movement joints, and how to integrate sand cast lead into a compliant ordering process.
Code 8 Lead: 7 Ultimate Heavy-Duty Uses (BS EN 12588)
A specialist guide to code 8 lead, focusing on 7 ultimate heavy-duty uses including monumental gutters, deep parapet channels, heritage roofs and cathedral-grade details. Learn how to size bays, design substrates, choose fixings and turn technical drawings into a fully built basket using the Shoppable Lead Chart.



Code 3 Lead
Code 4 Lead
Code 5 Lead
Code 6 Lead





