Lead Flashings
his Oracle Series guide explains lead clips and fixings for rolled lead sheet—how to restrain lead without cracking it. We cover restraint zones, bay movement, fixings selection, separation layers, edge detailing, QA checks, and a drop-in spec clause for architects and surveyors.
Correct Lead Bay Sizes Explained (Code 4–8) | Architect CPD Guide
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 Flashing Chart Explained (2026) | Codes, Sizes & Ordering Guide
A detailed guide explaining the lead flashing chart, lead codes and correct applications, with direct links to place a lead flashing order by code and size.
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.
9 Proven Ways to Extend the Life of Your Lead Roof (Expert Lead Roof Maintenance Checklist)
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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 3 Lead
Code 4 Lead
Code 5 Lead
Code 6 Lead





