Lead Flat Roof

To help professional installers and those who are learning the ropes of lead flashing and roofing lead calder produced the guide to good leadwork which is widely accepted in the industry as the go to for lead flashing roll and lead work.

Lead flat roof.

When the lead rests directly onto sawn timber on a steeply pitched roof and non resinous timber has been used underlay may not be necessary. Each job is different and presents different difficulties. Flat roof roll and drip intersections 42 pitched roof joints and fixings 43 pitched roof intersection with valley 44 vertical cladding joints and fixings 45. The height of the roof and whether scaffolding is required or not.

A new lead bay fitted in a simple one piece bay like this one the lead is nailed into the upstand underneath the guttering the drip is then beaten nice and tight over the edge of the roof and trimmed to about 50mm. Because of these advantages lead is widely used for flat roofs roofs over oriel bay or dormer windows ridges gutters and flashings. Lead expansion joints have been recommended by the lead sheet association for cases where it is impossible to incorporate drip joints in the refurbishment of. How accessible is the roof.

Lead is commonly used for flat roofs because of it s long life and ability to be formed to fit many positions lead must be laid and formed correctly to achieve this long life however. The price of flat roof replacement in the uk depends on factors like. Our basic fitting guides are designed to assist installing rolled lead sheet in a range of roofing applications including flashings valleys gutters and flat roofing. More about lead as a building material.

Note no nails in the edge. Lead flashing is not a diy product as it takes years of experience to perfect installing a full lead roof. A flat roof is a roof which is almost level in contrast to the many types of sloped roofs the slope of a roof is properly known as its pitch and flat roofs have up to approximately 10. On a low pitch roof where the lead isn t free to move it is more likely to buckle on expansion or stretch as it contracts.

Used to join lead together into smaller pieces reduce expansion and contraction issues create up stands and troughs provide. How much does a flat roof cost. Investigative work carried out on warm roofs covered in lead has shown that in rare instances moisture can also be introduced by the development of sub atmospheric pressure in the roof space. Laid correctly lead can last over 100 years.

If the cost of living is significantly higher then you should expect the charges to be higher too. Unlike other materials it can be shaped and joints can be welded. The temperature of lead on a roof varies constantly.