Pitched Roof Timber Roof Construction Details

Part 1 a guide to roof construction.

Pitched roof timber roof construction details.

A cut roof this is the traditional method of cutting the timber on site and building up the roof using rafters ridge boards joists and purlins etc the exact details being determined by the size of roof size of timbers etc. Timber pitched rooftop construction details focus on the timber construction that is commonly used in most roofing constructions. The pitch of a roof is its vertical rise divided by its horizontal span and is a measure of its steepness. All the figures are based on roofing tiles or slates laid on timber laths over sarking felt.

Part 3 pitched roof detail. A pitched roof is a roof that slopes downwards typically in two parts at an angle from a central ridge but sometimes in one part from one edge to another. Roofs tend to be either pitched or flat and typically in residential construction timber is the most common material used. Pitched roof construction.

Pitched roof timber sizes. There are two basic methods of pitched roof construction. The roof is a key element of the building structure providing protection from the elements and has a vital role in reducing heat loss from the building. When constructing a pitched rooftop with timber this can be an incredibly labor intensive build.

The following tables give details of the allowable spans and spacing for some of the more common timber sizes used in traditional roofing construction. Covers flat roof materials and flat roof construction of warm and cold roofs. Covers pitched roof detail. Roof ridges and ridge tiles roof hips and hip tiles roof valleys roof verges and lead flashings.

Introduction to flat roof details. Timber is a heavy material that adds strength to your roof but comes at quite the cost.