Roof Structural Members

In the uk a concrete tiled roof would normally have rafters at 600 mm 24 in centers roof battens at 300 mm 12 in centers and ceiling joists at 400 mm 16 in centers.

Roof structural members.

Tie beams connecting each pair of the opposite rafters. It is a horizontal structural component with top and bottom surfaces parallel and near. Rafters are sloped beams that run from the roof s ridge to the eaves. Wall beams or plates sometimes described as a type of purlins that run horizontally under the roof truss and connect it to walls.

Trusses usually occur at regular intervals linked by longitudinal timbers such as purlins. The space between each truss is known as a bay. The united states still uses imperial units of measurement and framing members are typically spaced sixteen or twenty four inches apart. A waterproofing layer that protects the roof valleys from leaking.

Rafters sloped parts of the truss running from the wall beams on both sides to a ridge board which is a horizontal member on top of the roof. One of a series of diagonal members of the truss that meet at the apex in order to support the roof deck and its loads. The roof system consists of several very important parts. A purlin is a horizontal piece of timber or metal which supports the roof s rafters or decking and helps to prevent your roof from sagging.

A waterproofing seal installed along the roof s valley line with taktekkernbergen no. A slab is usually several inches thick and supported by beams columns walls or the ground. A timber roof truss is a structural framework of timbers designed to bridge the space above a room and to provide support for a roof. They provide the support for the external roofing material.

For larger spans and thinner walls this can topple the walls. Pairs of opposing rafters were thus initially tied together by a horizontal tie. Purlins horizontal members connecting rafters. Straps and different types of bracing.