Replacing Rotted Roof Trusses

The basics of the process are as follows.

Replacing rotted roof trusses.

Measure the length of framing wood needed with a measuring tape. The first thing you need to do is to assess the damage. To reinforce the ends of the trusses 3 4 inch plywood gussets were to be attached to both sides of each truss with 10d nails 3 inches on center on all chords. Inspect and assess the damaged section of timber and determine where it needs to be cut to prop the timber along it s length using suitably sturdy props such as acro props once supported cut off the damaged end leaving only solid un damaged timber now.

How to replace rotted wood rafters. How to replace the rafters without removing the roof. Remove the rotted wood with a chisel and pry bar. If the roof truss has a small crack you will be using the two wooden boards to patch it up but if the crack is much more severe you should use the steel plates because they offer much stronger support to the damaged truss.

Measure the dimensions of the old rafters beneath your roofing surface. Slide one of the newly cut rafter legs into position directly next to the old rafter. Remove an area of the roof shingles from the edge of the roof to the upper line of the overhang using a 16 inch nail bar and hammer to pull the roofing nails. If the entire rafter was rotten use the.

Discard the wood in a garbage bin as you work to. If these have only small portions with rot you can repair using the boards. Check the old trusses. Cut out the section of the roofing.

The rotten wood will come away easily. The trusses needed to be lifted to their original height and cut flush with the inside face of the cmu wall with the rotted sections removed.