How To Repair A Broken Roof Rafter

How to repair broken rafters step 1.

How to repair a broken roof rafter.

Notice the rafter spreader bolt. Measure the dimensions of the old rafters beneath your roofing surface. Attach the piece to the. Hold the replacement against the end of the remaining rafter.

Measure the length of the damaged area on the rafter using a tape measure. You will drill two holes in the bottom and two holes in the side. How to replace the rafters without removing the roof. The important aspects of this repair is the length of the split as you will need to adequately cover it.

Use your tape measure to record the distance of both rafter legs. Measure mark and cut the piece of framing lumber to length using a circular saw. Overview from time to time an attic rafter will split along a knot typically after having a new roof installed because of the workers walking around on it. You should attach the l channel only in the four holes furthest away from the damage.

With the roof rafter pair straightened clamp new mid span cross ties in place and then nail the tie ends to the rafters. Slip a bolt through each hole then place a flat washer lock washer and nut on the threads of each bolt. High enough to give room to nail the mid span cross tie at the desired location. Mark each piece of the.

Make two lines on the side of the replacement rafter end and the end of the rafter 1 inch from the top and bottom edges. Add 4 feet to this measurement. Repairing this is called scabbing. Position the piece flat alongside the cracked rafter with the lower end at the wall.

Measure and mark two pieces of hardwood lumber to this length using the tape measure a carpenter s pencil and. Tighten bolts with a wrench. Obviously this is not a good situation as it can cause the entire roof to fail if not addressed. Drill a pilot hole in the wood through each of the open holes in the angle iron.

Pull the old rafter end away from the roof eave.