#Proper Leadwork: Bay Sizing Essentials—Max Dimensions, Falls & Drips The long life of a lead roof depends on correct lead bay sizing. Keep sheets modest, add the right falls and place drips at sensible intervals, and the roof works with thermal movement instead of fighting it. This guide gives you practical bay width/length limits by […]
Tag Archives: parapet gutters
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Oct
#Proper Leadwork: Allowing for Movement — Lap Lengths, Fixings & Expansion Joints Lead moves. Temperature swings, solar gain, wind chill and building heat loss all drive lead thermal movement. If we ignore it, sheets creep, crack, or pull out of chases. When we design for it, roofs last decades with clean lines and quiet performance. […]