How much does a 30 ft truss cost?

Average Roof Truss Price by Size and Pitch Span (feet) Common Price Range* 10 $30–$50 20 $60–$80 24 $75–$95 30 $90–$110 5 more rows

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Numerous variables determine roof truss pricing. Trusses start at a price point of $3 to $5 per foot of span, and prices increase as the trusses get larger and more complex. The following factors affect truss pricing:

Size

The most basic pricing factor to consider is size. Also called the span, the size of a roof truss is the length of the bottom chord from end to end. In general, larger trusses equals larger prices. However, the overall size isn’t as important as the length of individual boards and whether or not cutting and extensive waste occurs during installation.

Labor

Installing new trusses and repairing or replacing existing trusses costs $20 to $75 per hour. New construction bids often include labor pricing per square foot rather than per hour. Per-square-foot pricing for installing or repairing roof trusses ranges from $4 to $10. Disposal fees for new construction truss installation or for truss repairs are minimal, while disposal costs for replacing trusses are between $300 and $1,800. Demolition for repair work is $4 to $5 per square foot. Labor costs are generally higher in urban areas than rural areas, where job site access is easier.

Overall Weight Load

The overall weight load that roof trusses must support includes the weight of the building materials along with local snow-load averages. Areas prone to high snow-load weights require roof trusses capable of handling them. Truss construction in these areas often requires a truss design that is bulkier or of a different style and will cost up to 25% more to build and purchase.

Material

Wood trusses and steel trusses are both available. Wood trusses are the most common material used for trusses in residential applications and cost about half as much as steel trusses. Steel trusses are mainly used for commercial, light industrial, and agricultural building construction, such as pole barns, commercial garages, and prefabricated metal sheds. Steel roof framing for the residential market is possible but is cost-prohibitive against the lower cost of wood trusses.

Pitch

Steep roofs require roof trusses with a higher pitch. A gently sloping roof may be called a 4/12 pitch, while a 12/12 pitch roof is steep at a 45-degree angle. Higher pitches require more lumber in trusses which increases their cost.

Spacing

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While most trusses are installed with 2-foot spacing, in rare cases, roof trusses are installed at 16-inch intervals. The length of the roof and truss spacing determines the number of trusses your building needs.

Span

The span (or width of a roof truss) is equal to the length of its bottom chord or a line from one end to the other end in the case of scissor and other truss styles. This width must be adequate to span the distance between anchoring points on the building. Larger spans require larger, more expensive trusses.

Average Roof Truss Price by Material

There are two common materials used in the roof truss construction. Wooden trusses are used mainly in residential construction, while steel trusses are found mostly in the commercial, pole-barn, metal shed, and light industrial markets. Steel trusses cost between $150 and $600 each, making them at least twice as costly as wooden trusses, which cost between $35 to $400 per truss.

Average Roof Truss Price by Size and Pitch

Average roof truss pricing depends heavily on the number of boards required for their construction. Therefore, the span and pitch of the truss are only important for determining how much material and waste is necessary for construction. In general, larger trusses will cost more than smaller ones. However, that’s just a guideline. For example, a 10-foot span may need just as many boards as a 12-foot span but will require more cuts and more waste, so the cost difference is minimal. While there are too many variables in truss engineering and lumber market fluctuations to pinpoint an exact price, the table below shows only average ranges for popular common truss types. Your specific project will vary, so talk to a licensed contractor to get accurate pricing for your project.

homeadvisor.com - How Much Do Roof Trusses Cost? - HomeAdvisor