Glue a piece of 1 rigid styrofoam to the plywood.
How to fix a sagging roof truss.
Straighten out your old house s sagging roof and get rid of those cracks in the wall with these easy to follow steps.
One will be placed on either of the flat sides of the.
Driving nails into it might make it worse place.
However you can create a temporary solution by following the steps below.
Cut two 2 by 4s or 2 by 6s to serve as truss patches.
Place a 4 foot 2x8 across the ceiling joists just beneath the sagging truss.
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.
Installing new rafters directly alongside the weak or damaged ones is often enough to correct this problem.
Determining the problem determine where the sag is in your roof in relation to your attic.
Grab a flashlight and head up to your attic to inspect your roof rafters and decking specifically those where your.
How to repair a truss sag step 1.
Also inspect the metal or plywood gusset plates used where your wood meets on a 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.
Step 1 the first step is to the basement first.
Attach it to the beam with carriage bolts but do not tighten completely.
Damaged roof truss or rafter.
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.
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.
After measuring the damaged area between your roof trusses or rafters cut a piece of 1 2 plywood that will cover the.