Replacing Roof Rafter

The rotten wood will come away easily.

Replacing roof rafter.

If the entire rafter was rotten use the. Once it s in place start by nailing the top of the sister in place while the other person nails the bottom in place. 1 enter house footprint. Cut off the rotted rafter tail with a reciprocating saw.

2 enter overhang length. How to replace rotted wood rafters. Use your tape measure to record the. Discard the wood in a garbage bin as you work to.

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. Roof pitch is the value. Measure as precisely as possible down to the 1 4 inch 0 64 cm 1 8 inch 0 32 cm or 1 16 inch 0 16 cm. Remove the rotted wood with a chisel and pry bar.

Use a tape measure to measure the entire width of your building. Remove weak spongy wood preserve and protect wood wi. Measure the length of framing wood needed with a measuring tape. Width or span is the gable side of the roof which is.

Before you start cutting you first need to determine how long your roof rafters need to be and the angles at which you ll cut the top and bottom of the rafter. How to replace the rafters without removing the roof step 1. Most houses have overhangs soffits which are needed to protect the house exterior walls and. With the roof rafter pair straightened clamp new mid span cross ties in place and then nail the tie ends to the rafters.

This video shows from start to finish the repair of rotted endbeams on a house using the endrot system. 3 enter roof pitch slope. Position the replacement boards over the rafter and secure them using galvanized nails or 2 5 inches 6 4 cm wood screws. Cut a piece of 1 by pressure treated lumber that is longer than the replacement board by 4 to 6 inches.

Cut a replacement board from 2 by pressure treated lumber that is the same size and width as the rafter tail you just cut using a circular saw. Use a hammer and nails to. Measure the dimensions of the old rafters beneath your roofing surface. Use nails that are long and strong enough to go deep into the original rafter.

In some cases it may be necessary to remove a section of metal roof. Fill the seams where a rafter tail meets the cut end of a rafter with exterior wood filler. If necessary enlist a roofing contractor to fill in the areas where shingles and roofing paper were removed. Sand the filler and apply.

Repeat this process for each section of the roof where the eaves are beginning to show signs of deterioration.