How To Repair Broken Roof Rafters

Attic rafter scab step 1.

How to repair broken roof rafters. Giant fender washers and skinny 1 4 20 bolts used to preload the joint so the preload will creep less. Notice the rafter spreader bolt. Access the attic using attic stairs or through the ceiling using a stepladder or pull down stairs. Drill a pilot hole in the wood through each of the open holes in the angle iron.

Prepare the scab boards step 3. High enough to give room to nail the mid span cross tie at the desired location. Very easy to do. The big washers distribute the load to the wood well.

Slide one of the newly cut rafter legs into position directly next to the old rafter. If an attic light. Measure the affected area step 2. Start by prying away the bottom and sides of the old eaves and cutting new materials to match.

Install lag bolts with washers. Apply a resilient weatherproof coating to the new pieces then secure them using stainless steel nails. Measure the length of the damaged area on the rafter using a tape measure. Step 1 measure the damaged rafter.

Measure one side of the rafter from the upper edge to the lower edge to determine the size of framing lumber for the. Clamp the scab boards to the rafters step 5. Measure and mark two pieces of hardwood lumber to this length using the tape measure a carpenter s pencil and. Mark each piece of the.

Step 2 prepare the l channel. Add 4 feet to this measurement. Step 3 prepare the rafter. An l channel that is 1 by.

How to repair broken rafters step 1. Before you can purchase the l channel you need to know the size of the rafter. Use your tape measure to record the distance of both rafter legs. Step 5 set channel flush with.

How to replace the rafters without removing the roof. Fortunately repairing rotten or weathered eaves is a relatively simple project that you can do yourself without ever having to climb onto your roof. How to fix a crack in a roof rafter. Measure the dimensions of the old rafters beneath your roofing surface.

With the roof rafter pair straightened clamp new mid span cross ties in place and then nail the tie ends to the rafters. How to fix a crack in an attic rafter 1. Slip a bolt through each hole then place a flat washer lock washer and nut on the threads of each bolt. Step 4 secure the l channel.

Drill lag bolt holes through all three boards step 6.