Attic Truss Span Uk

We supply timber roof trusses and floor joists nationwide.

Attic truss span uk.

Design manufacture and nationwide supply of bespoke roof trusses and metal web floor joists for over 25 years. The details we require for pricing your enquiry for attic trusses include. The shapes and spans shown here represent only a fraction of the millions of designs produced by alpine engineers. Since attic trusses are non triangulated the timber sizes required will be greater than that required for a comparable standard truss.

Total load psf duration factor live load psf roof type 55 1 15 40 snow shingle 55 1 15 30 snow tile 47 30 snow 40 20 snow 1 25 20. Trustspan timber engineering are specialist roof truss manufacturers based in north yorkshire with services provided throughout the uk. With sections of those truss shapes used to form part of a room they will have insulation and an air gap so the timber section will usually start at 46x147mm for the rafters and or joist. Span of the truss pitch tile type and room width and height required.

When intermediate supporting walls are also available larger internal room dimensions within the attic truss are achievable. The 46mm thick timber option in the tr26 timber sizes is more commonly found on attic trusses and raised tie trusses. Alpine truss designs are engineered to meet specific span configuration and load conditions. Attic trusses can be designed as clear span using the external walls only for support.

When considering room in the roof trusses for your project thought should be put into the positions of dormer windows and roof lights along with the staircases and any other openings. These use a method of construction that has been in common use for over 40 years a simple tried and tested means of providing the structural roof and floor in the same component. Maximising the amount of room in new and existing houses has become a growing priority in the uk. A large proportion of all trussed rafters produced are now room in roof or attic trusses which offer up to 65 more living space.

Attic truss span table october 28 2017 by zamira leave a comment 30 diffe types of roof trusses roof truss endix 1 8 13 span tables city of garage attic ion the 30 diffe types of roof trusses.