Standard Distance Between Roof Trusses Uk

A roof truss is an engineered structural framework of triangulated timbers that provides support for a roof.

Standard distance between roof trusses uk.

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. Although the standard spacing of roof trusses may be the same as that of rafters with 24 inch spacing being a common option the design of a truss may allow for the use of a lower grade of lumber than would be. For a 64m2 house which is a standard 3 bedroom new build you would need 14no 35mm standard roof trusses with a span of 8000mm with a pitch of 35 degrees. The roof truss spacing standard is important because eighty percent of new homes are built with standard pre fabricated trusses.

Follow this guide to ensure the spacing and stability of your diy roof trusses. You will also incur additional costs because it is much harder to deck and shingle a roof that is 12 12 pitch versus a 4 12 roof. A roof formed using trusses can use up to 40 less timber than a traditional roof this makes them highly cost effective. Decreasing the distance between rafters to 12 inches however increases the maximum span to 14 feet 4 inches.

The standard roof truss spacing is 2. 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. Roof trusses are prefabricated which saves time on site when it comes to installing them. This is the distance between trusses.

For the same project but instead with attic. The steeper the roof the more expensive the trusses get because the longer the boards get and the more roof area increases. A project of this nature would typically cost 982 80 as indicated by our roof truss instant quote estimator below.