Metal Roof Decking Wood Trusses

Generally cheaper than steel trusses wooden trusses don t last as long because timber being a natural material cannot stand up to the elements as well as steel.

Metal roof decking wood trusses.

Current formulations used for pressure treating lumber that are intended to be more environmentally friendly have proven to be highly corrosive when in direct contact with. When deciding whether to use steel trusses vs wood trusses it is important to understand how each type of truss works. Why do i need a physical barrier between the metal deck and pressure treated lumber. Working with a building engineer can ensure that the right choice is made for the look you want.

Timber trusses are exposed to warping and bowing problems which can cause structural damage to the rest of the building. Capable of drilling metal up to 1 8 thick. Advantages of wooden roof trusses. Wood is also susceptible to rot and insect infestations which may call for costly repairs.

Teks wood to metal screws with drill points are designed for attaching headers to metal framing and trailer decking to metal framing. 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. Timber trusses are more likely than steel to get damaged in extreme weather conditions. Teks plywood to metal screws with drill points are designed for attaching roofing and subfloor decking to metal framing.

You can install type b metal roof deck on wood trusses but if the wood has been chemically treated you will need to install a physical water resistant barrier between the wood and the metal roof deck to prevent accelerated corrosion. When considering steel trusses vs wood trusses wooden trusses are generally less expensive. Wood timber roof trusses benefits of wood trusses. Capable of drilling metal up to 1 4 thick.

The possibility of wide span creates wider opportunities that architects and designers are keen on. Timber also is more fire resistant than unprotected steel beams because wood doesn t ignite until it reaches over 250 degrees. A project of this nature would typically cost 982 80 as indicated by our roof truss instant quote estimator below.