Repair Broken Roof Rafters

Step 1 measure the damaged rafter.

Repair broken roof rafters. 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. An l channel that is 1 by 1 and at least 2 feet long should be adequate for most rafters. Slip a bolt through each hole then place a flat washer lock washer and nut on the threads of each bolt. A cracked roof rafter needs to be repaired and can be done byf an experienced do it yourselfer.

Measure the dimensions of the old rafters beneath your roofing surface. A cracked roof rafter can create a sagging and unsightly roof. Over time broken or cracked roof rafters can appear when wood gets old and dry. Use your tape measure to record the distance of both rafter legs.

Obviously this is not a good situation as it can cause the entire roof to fail if not addressed. A laser level was used to throw a straight line to determine when each pair of jacked rafters were straightened and the new collar tie could be attached. Repair damage to a rafter using scab boards. With the roof rafter pair straightened clamp new mid span cross ties in place and then nail the tie ends to the rafters.

Rafters can split as a result of excessive weight on the roof or damage from fallen objects such as trees or power poles. Rafters can also be damaged by a blow to the roof from falling branches. Drill a pilot hole in the wood through each of the open holes in the angle iron. Regardless of the cause a split rafter must be repaired to ensure the.

Although the rafter must be replaced if it is completely broken smaller areas of damage can be repaired through the application of a scab board. Repairing this is called scabbing.