Old Roof New Roof Joined Rafters Fix

Strengthening can occur when the middle rafters have too much load that threatens to break the beam.

Old roof new roof joined rafters fix.

If a roof has been re roofed with heavier roofing material than the original roof was engineered for. This project requires two parts. Use your tape measure to record the distance of both rafter legs. However the trick to this process is to do it very slowly so it may take a few weeks before you get the rafter into a position where it is straight again.

High enough to give room to nail the mid span cross tie at the desired location. Cut a piece of 1 2 inch plywood that will cover the area. When repair is no longer an option the roof rafters must be replaced. With the roof rafter pair straightened clamp new mid span cross ties in place and then nail the tie ends to the rafters.

Because driving nails up into the sheathing material will make things worse glue a piece of 1 inch rigid styrofoam to your piece of plywood. Then the beam or roof may sag. First remove the rotten wood and then replace it with new rafters. 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.

The new part of the roof system can be erected both above and below the old elements of the roof. Repeat the process for the joist beneath your old roof rafter. To avoid this there are additional pads on the connection phase with a base. Wood rotting from the inside out compromises the structural integrity of the rafter.

Measure the damaged area between your roof rafters or trusses. Attach to the rafters using metal clamps or serrated plates. Measure the dimensions of the old rafters beneath your roofing surface. Save those old shingles and number them for replacing later.

Remove two shingles to each side of the new valleys until you reach the bottom. Move the jack in increments of one inch to allow for the roof to be able to move with it without cracking. Use a circular saw to cut two sets of new rafters from the same size wood by the same dimensions.