The national average cost to replace a roof is 7 211 with most homeowners spending between 4 707 and 10 460 roof installation cost ranges from 400 to 550 per square depending on the roof size and materials used in reroofing.
Replace roof top plate.
There are two 2x4 stacked on top of each other and i think there called top plate or upper wall plate.
When constructing a gable roof the ceiling joists are laid out slightly differently.
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The sill plate usually a treated 2 by 8 board rests flat on top of the foundation and the ledger board usually a 2 by 10 board rests upright on top of the sill plate in an upright position.
Expect to spend 1 500 to 3 000 to remove your current roof before installing a replacement.
With trusses it is possible to prefabricate the pieces needed into modular frames that can be installed every 24 inches to frame a roof with much less time and trouble.
If the new stud is too short it will not support the plate and roof.
Support the ceiling joists and don t try to raise it since movement there could damage the roof above esp the flashing.
Use the same type lumber as the rotted studs.
Gable roof plate top layout.
I was able to find an area on both ends where the damage stops.
The second joist should still be 600mm to the center and so on so that the plasterboard.
Cut new lumber to the length of the rotted studs.
In traditional framing the roof is built stick by stick.
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Then replace with studs not another header.
Rotted ledger boards or sill plates must be replaced to prevent structure failure.
The connection between the trusses and the wall top plate is essential to the strength of your new roof.
This is a hip roof design and it looks like i should be able to get to it in the attic if i crawl out to it.
This is to let the common rafter fit in between later.
I would cut the header first then the bottom of the top plates between the studs and then the top plate about 2 longer on both sides so you have an overlap.
If the new stud is too long it will push the top plate up and can affect the roof position.