Roof Strut Spacing

Maximum supported roof area 5 4m 2.

Roof strut spacing. They should have anti slip blocks where necessary to prevent them sliding horizontally. The roof truss spacing standard is important because eighty percent of new homes are built with standard pre fabricated trusses. 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 trusses usually occur at regular intervals linked by longitudinal timbers such as purlins the space between each truss is known as a bay. Struts should be adequately supported over studs in timber walls.

The trusses should be a little longer than the exact width to allow for overhang and you will need sufficient trusses to mount across the length. Maximum strut spacing 1 8m. The struts are needed in the roof frame to transfer the loads from underpurlins and other beams to the load bearing walls. To determine how many trusses to create you will first need to measure both the width and the length of the structure you are building.

4 5 maximum for both sheet and tile roof. Rafters have a tendency to flatten under gravity thrusting outwards on the walls. Other relevant factors include the type of wood being used for the rafters the size of the rafters and the load that the rafters need to support. This means that if you re in charge of repairing or installing roofing trusses you ll be expected to hold to these standards.

Maximum supported roof area 7 0m 2. Sheet roof tile roof strut length. Typical roof truss. Standard roof truss spacing.

Maximum strut spacing 2 1m.