Pitched Roof Materials Used

If used on flat roofs they are commonly either soldered or welded while on pitched roofs they are attached with either nails or screws of the same metal.

Pitched roof materials used.

Depending on the brand and manufacturer synthetic slate could be made of steel asphalt rubber plastic polymers or even clay. The illustration at left courtesy of carson dunlop associates summarizes the ranges of roof pitch or slope for flat. Roof pitch designations are comprised of two numbers indicating a ratio. Flat roofs are common in areas with little rainfall or snow and on industrial buildings with wide roof spans.

Also known as the built up roof it is used primarily on flat roofs up to a 3 in 12 pitch. The ratio can be indicated by a division slash separating the numbers such as 2 12 or 7 12. Even flat roofs are sloped somewhat to prevent water from ponding. Pitched roofs are generally used where rainfall is heavy.

Summary of definitions of roof slope types. Pitched roof is a type of roof which is provided with some slope as structure covering. Information on pitched roof construction including roof materials. Durability varies because there s no one material used to simulate the look of natural stone.

Roof pitch defined and explained. But a wider range of materials has been used on low slope roofs as we describe in the articles below. If buildings are constructed with some limited width then also we can go for. The 45 degree roofs seen on a frame houses are 12 in 12 but roofs can be even steeper consider the mansard roofs introduced by french second empire architects in the middle of the 1800s.

It is a great choice for roofs with a higher pitch but could present problems at a pitch of 2 12 or less. We know that the roofs are generally provided at top to cover and protect the structure from different weather conditions. Or the colon can replace the slash as in 2 12 or 7 12. Pitched roofs begin with with slopes greater than 3 in 12.

A breathable membrane or in older properties roofing felt also sometimes called sarking felt or slaters felt which keeps the rain out whilst the roof is being built and offers secondary protection to any water that gets through the outside layer of the roof. Suitable materials for pitched roofs. Wooden joists to support the weight of the roof. Flat low slope steep slope roofs.