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.
Standard distance between roof trusses uk.
The steeper the roof the more expensive the trusses get because the longer the boards get and the more roof area increases.
Decreasing the distance between rafters to 12 inches however increases the maximum span to 14 feet 4 inches.
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.
Roof trusses are prefabricated which saves time on site when it comes to installing them.
The roof truss spacing standard is important because eighty percent of new homes are built with standard pre fabricated trusses.
The standard roof truss spacing is 2.
A roof truss is an engineered structural framework of triangulated timbers that provides support for a roof.
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.
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 cost of roof trusses.
This means that if you re in charge of repairing or installing roofing trusses you ll be expected to hold to these standards.
A project of this nature would typically cost 982 80 as indicated by our roof truss instant quote estimator below.
Truss design spacing.
For the same project but instead with attic.
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.