If these already exist nail a 2x4 to them directly under the 2x4 plate you nailed down before.
Roof ridge sag repair.
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.
Measure the damaged area between your roof rafters or trusses.
Often the framing can be bolstered and beefed up internally but if the roofing material needs replacement anyway it may be best to tear off the old sheathing and install larger rafters while the roof frame is exposed.
Now add collar ties from one side of the rafter to the other.
Using a flashlight inspect the rafters and decking in your attic especially in the areas where your roof is sagging.
Homeadvisor s roof repair cost guide gives average costs to fix a roof by common type of repair including roof leaks sagging roofs and missing shingles.
Look for any kind of damage including rot cracks breaks and more.
Compare costs by material.
Water leaking into home water is standing on the roof after 48 hours icicles ice dams at edge of roof roof is sagging request stage.
Ready to hire desired completion date.
Roofs may sag because a ridge beam or ridge board is cracked or damaged.
This may have been caused by any number of factors.
Go outside of the house and determine where the sag on the roof would be in your attic.
This article describes explains the directions of forces in roof structures illustrating downwards force horizontal thrust and the causes of rafter sags rafters that disconnect from the ridge or top plate and why a sagging roof pushes the building walls outwards at the wall top.
Roof sag or roof collapse forces.
Once you have established how much the roof sag needs to be jacked up lay a 2x4 plate across the ceiling joists and nail directly under the ridge of the roof.
1 2 weeks.
Then inspect the metal or plywood gusset plates.
Flat roof metal asphalt tile and more.
Installing new rafters directly alongside the weak or damaged ones is often enough to correct this problem.
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.
We include photographs of collapsing wood framed roofs and photo sequences.
Cut a piece of 1 2 inch plywood that will cover the area.
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.
Damaged roof decking should be repaired by a professional but you can create a temporary solution by following these steps.
