Replacing Roof Rafter

If the entire rafter was rotten use the.

Replacing roof rafter.

Fill the seams where a rafter tail meets the cut end of a rafter with exterior wood filler. Once it s in place start by nailing the top of the sister in place while the other person nails the bottom in place. 2 enter overhang length. 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.

Repeat this process for each section of the roof where the eaves are beginning to show signs of deterioration. If necessary enlist a roofing contractor to fill in the areas where shingles and roofing paper were removed. In some cases it may be necessary to remove a section of metal roof. 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.

Discard the wood in a garbage bin as you work to. How to replace rotted wood rafters. 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. Remove weak spongy wood preserve and protect wood wi.

Use nails that are long and strong enough to go deep into the original rafter. Width or span is the gable side of the roof which is. Measure the dimensions of the old rafters beneath your roofing surface. Remove the rotted wood with a chisel and pry bar.

Use a hammer and nails to. 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. This video shows from start to finish the repair of rotted endbeams on a house using the endrot system.

Measure the length of framing wood needed with a measuring tape. Most houses have overhangs soffits which are needed to protect the house exterior walls and. 1 enter house footprint. 3 enter roof pitch slope.

One person should be at the top where the rafter joins the roof peak and the other where the rafter meets the wall. Roof pitch is the value. Cut off the rotted rafter tail with a reciprocating saw. 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 replace the rafters without removing the roof step 1. Slide one of the newly cut rafter legs into position directly next to the old rafter. Use your tape measure to record the. 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.

The rotten wood will come away easily.