How To Repair Roof Truss Support

Refill the holes in the wood truss with wood adhesive and apply a wood scab to patch it.

How to repair roof truss support.

Gary weaver president of timber tech texas a manufacturer of roof and floor trusses based in cibolo texas has been crawling around attics doing truss repairs for 38 years. If a part of a truss has been cut out then replacing the board or piece cut out is generally not to hard or expensive. Truss repairs can be quite easy. The first thing you need to do is to assess the damage.

If a board is cracked then placing a similar board on each side of the broken one and bolting or nailing the three together may correct the issue. Let the repaired wood truss set for 24 hours in dry conditions to secure the repair. Determine the size of the roof truss to be repaired. The repair design should include material dimensions for added members plus a detailed fastener schedule showing the size number and placement of fasteners.

Cut two pieces of lumber 4. Types of common truss repairs break damage in members in situations where a member is broken or damaged not at a joint with the exception of splice joints the primary method of repair is to apply scabs to the truss centered on the damage break to transfer the load carried by the original member. Apply connector plate at a 1 8 inch spacing from the original plate installation so most of the plate is gripping fresh wood. Trusses come in different lumber widths 2 by 6 or 2 by 8.

When working in tight and cramped quarters in the attic be careful where you step. If the roof truss has a small crack you will be using the two wooden boards to patch it up but if the crack is much more severe you should use the steel plates because they offer much stronger support to the damaged truss.