This can be a serious problem in future if not treated at the right time.
Old roof new roof joined rafters fix.
Then the beam or roof may sag.
The new rafters will take the load from the old rafters and the roof will remain intact.
To avoid this there are additional pads on the connection phase with a base.
Sagging rafters can be a serious and deadly in some cases problem in your roofing system.
Roof repairs are generally best left to a professional roofer who understands old buildings and has the appropriate access equipment.
Sagging rafters can lead to serious problems with the entire roofing system.
Tip to increase the strength of your new and existing rafters and to help eliminate the chances of sideways movement consider installing a support board across the rafter endings on both sides of the roof.
Attach to the rafters using metal clamps or serrated plates.
Next place your piece of plywood and styrofoam foam side up against the damaged roof decking.
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.
I e the original roof was a light wood shingle roof and the new replacement roof is a concrete tile roof weighing 5 or 10 times more than the original 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.
Dealing with roof problems.
That s how to fix a sagging roof.
Push up on the plywood until the foam is touching the underside of the roof decking.
Wood rotting from the inside out compromises the structural integrity of the rafter.
Commonly what you can see of the rotted wood is only part of the problem it is what you cannot see under the surface of the wood that can be the main issue.
Replacing a few tiles or slates is a relatively simple job but it is also important to work out why a problem has occurred and whether it is indicative of a larger failure.
Rotted wood rafters in a roof are a serious issue.
If a roof has been re roofed with heavier roofing material than the original roof was engineered for.
This article describes a diy repair project using a site built spreader to straighten sagged roof rafters and decking.
This can cause roof caving water leakage.
Roof rafter decking sagging.
If you find your roof is sagging or a slight dip is visible then you are probably a victim of sagging roof rafters.