Q:

How do the materials used affect what a truss costs?

A:

Quick Answer

Materials that greatly affect the costs of trusses include Forest Stewardship Council certified lumber and metal, with fire rated lumber being cheaper than both of these, according to Mario R. Espiñeira, Jr. of Deco Truss Company. Metal costs twice as much as lumber, and the installation process is more costly.

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Full Answer

The typical lumber used in the construction of roof trusses is southern yellow pine, which is effectively FSC certified in any case. As of 2015, requiring lumber to be officially certified by the FSC increases its cost by 40 percent. This is a cost most homeowners and builders face, as metal is not a common material used in residential properties.

The projected construction of the truss also affects the materials the builder uses, which ultimately affects its cost. Boards the builder plans to conceal with sheet rock or which will be inside the building do not need to be made of such high-quality materials, while boards that are exposed after construction must be of a higher quality and, as such, are typically more expensive.

The amount of material required also affects the total cost of a roof truss build, with average prices falling out between $1 and $3 per linear foot.

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