You can use blocks of wood placed under your joist braces or you can use cinder blocks bricks river rocks.
Sagging roof deck cosmetic only.
Ways to brace the deck.
To replace your rafters and sheathing whether osb or plywood see above.
The longer you go without.
Repairing other types of shed roof.
If your roof is more than 30 years old rebuilding it will be the most effective approach to dealing with sagging.
When it comes to rot roof deck repair isn t an option it must be fully replaced.
A sagging ceiling or roofline is another clue that there are major problems with a roof s decking and the roofing structure.
Just something that might need to be reviewed.
That s how to fix a sagging roof.
Understand that sagging in a roof when not a structural problem is always going to be either the sheathing or rafters.
Next you will need to brace the deck against future sagging.
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.
Our house is only 5 years old with a 10 year warranty on frame and structure.
Soaked or waterlogged decking can warp which can lead to a bowed or wavy roofline and ceiling.
Most people without any construction experience know that a roof should be flat and not wavy or sagging.
Fixing a saging roof deck as a 2nd generation roofer who s doing his darndest to transition into a framer i think that every roofer should take a framing class.
All roofs contain of two parts the sheathing deck and the protective roofing surface that covers it.
On average a roof lasts between 15 to 30 years depending on the design the materials used and your climate.
Sagging rafters can lead to serious problems with the entire roofing system.
The buyer s inspector said he saw a little sagging on one part of the roof but said he didn t see any damage or thought it was an issue.
During a roof appraisal both parts are inspected for.
No matter what the reason when you see a house with a sagging roof it tends to make you nervous even if you don t know precisely why.
Push up on the plywood until the foam is touching the underside of the roof decking.
How to appraise a roof condition.
Problems with the roof itself aren t the only reason a roof might sag.
If you notice that there is a visible dip in your roof chances are you have a problem with one or several rafters and you may soon be facing more issues like water leaks bowed out walls or your roof caving in on you.
Simply adding a different or extra a layer of roofing material will only make the sagging worse avoid.
