How To Repair Sagging Roof Trusses

Damaged roof truss or rafter.

How to repair sagging roof trusses.

How to straighten sagging roof rafters. Determine the extent of damage. The first step is to find out how many rafters are sagging and if anything else is damaged. After measuring the damaged area between your roof trusses or rafters cut a piece of 1 2 plywood that will cover the.

Determining the problem determine where the sag is in your roof in relation to your attic. One will be placed on either of the flat sides of the. Cut two 2 by 4s or 2 by 6s to serve as truss patches. Glue a piece of 1 rigid styrofoam to the plywood.

Driving nails into it might make it worse place. The first thing you need to do is to assess the damage. Place a 4 foot 2x8 across the ceiling joists just beneath the sagging truss. However you can create a temporary solution by following the steps below.

Joist end repair plates for roof trusses this method is not too dissimilar to using the method above. Temporarily screw a 3 foot 2x4 to. Also inspect the metal or plywood gusset plates used where your wood meets on a truss. Drill holes in angle iron.

How to repair a truss sag step 1. Grab a flashlight and head up to your attic to inspect your roof rafters and decking specifically those where your. Place one precut patch. 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.

The basics of the process are as follows.