How To Fix A Sagging Roof Truss

Grab a flashlight and head up to your attic to inspect your roof rafters and decking specifically those where your.

How to fix a sagging roof truss.

While the best method of repairing any damage to a roof truss rafter or decking is to work from the top of the roof by removing the weather sheathing underlayment and then the roof decking itself this is not always possible or practical due to the time of year and or budget constraints. Place a 4 foot 2x8 across the ceiling joists just beneath the sagging truss. Check the ceiling for sagging by attaching a string on one end of the beam and run it along the bottom edge of the beam. However you can create a temporary solution by following the steps below.

Glue a piece of 1 rigid styrofoam to the plywood. One will be placed on either of the flat sides of the. Temporarily screw a 3 foot 2x4 to. Step 1 the first step is to the basement first.

How to repair a truss sag step 1. Driving nails into it might make it worse place. Damaged roof truss or rafter. Also inspect the metal or plywood gusset plates used where your wood meets on a truss.

Place one precut patch. Determining the problem determine where the sag is in your roof in relation to your attic. Attach it to the beam with carriage bolts but do not tighten completely. Cut two 2 by 4s or 2 by 6s to serve as truss patches.

Fixing a sagging roof by bolstering the beams bolstering the beams of your roof is another solution to repairing a sagging roof however it is often something that requires assistance from another able bodied person since beams can be extremely heavy. With the joist back in its original position place one section of the angle iron on the uppermost section of the rafter just before the area where it is sagging or broken. In a stick frame non truss sloped roof these issues usually cause the roof ridge to sag in the middle giving it a swayback look but can also cause one side of the roof to sag.