Lead flashing is installed by chasing a 25mm groove into a mortar joint, dressing the lead into the chase, securing it with lead wedges at 450mm centres, pointing the joint, and finishing with patination oil. Individual pieces should never exceed 1.5 metres in length, laps should be at least 100mm, and Code 4 lead suits […]
Tag Archives: roof maintenance
25
Jul
Jul
Most UK roofs last 20-60 years, but it depends on the material. Slate and clay tiles can last 100 years, while flat roofs like felt, GRP and EPDM usually last 15-40 years. Good maintenance can add decades either way. If you’re wondering how long a roof will last, the honest answer is: it depends on […]