Another reason your roof may be sagging is because it can t handle the weight of the roofing material.
Sagging porch roof roofing.
Cost skill level.
This can happen for different reasons for example if the roof tiles were replaced at some point with a heavier alternative which has slowly weighed down the timber frame supporting the roof.
Next place your piece of plywood and styrofoam foam side up against the damaged roof decking.
If your home has converted from shingles to tile you may need to add structural bracing in your attic to hold the extra weight.
Sagging rafters can lead to serious problems with the entire roofing system.
A roofing pro may find that the roof is sagging due to rotten sheathing.
Push up on the plywood until the foam is touching the underside of the roof decking.
That s how to fix a sagging roof.
Sagging roof repair costs can vary if extra weight is the problem additional joists or rafters can be added to shore up the additional weight which.
Now carefully remove the bracing and lower the porch roof on to the new beam images 3 and 4.
How to repair a sagging support beam.
For example tile roofing weighs way more than your typical asphalt shingle roofing.
Learn how to install a two column design system to properly support a porch roof.
After that use a piece of lumbar strapping to keep the plywood in place until you can get a roofing repair expert to fix it.