Roof Truss
A pre-engineered structural framework made of lumber and metal connector plates that supports the roof deck and transfers the roof load to the exterior walls. Trusses are manufactured off-site and installed as complete units.
What Is a Roof Truss
A roof truss is a factory-built structural framework of dimensional lumber and metal connector plates designed to span the width of a building and support the entire roof system above it. Unlike stick-framed rafters cut and assembled on site, trusses are engineered to precise load specifications and delivered as complete units. They form the skeleton that holds the roof deck, underlayment, and shingles.
Truss Damage in Insurance Claims
Truss damage most commonly results from fallen trees, tornado or high-wind events, and prolonged water intrusion that causes rot. When a truss is cracked, split, or structurally compromised, the repair must be engineered. A contractor cannot simply sister a board onto a broken truss chord without an engineer's approval because the connector plate geometry and load paths are specific to the original design. The engineering consultation fee and the repair itself are both claimable items.
Documenting Truss Damage
Photograph the damaged truss from multiple angles showing the break location, any displaced connector plates, and the relationship to surrounding framing. Measure and note the truss spacing (typically 24 inches on center). If the damage is extensive enough to require truss replacement rather than repair, a structural engineer's letter specifying the replacement design will support the supplement. Carriers expect engineering documentation when structural components are involved.
Frequently asked questions
A roof truss is a pre-engineered triangulated framework of lumber connected by metal gusset plates. It spans from exterior wall to exterior wall and supports the roof deck, sheathing, and roofing materials. Trusses are designed by structural engineers and manufactured in a factory.
Yes, but truss repairs must follow the original engineering specifications or be designed by a licensed structural engineer. Carriers typically cover truss repair or replacement when the damage is caused by a covered peril. The repair method and any engineering fees should be included in the estimate.
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