Garage Roof Rafter Replacement

Measure the dimensions of the old rafters beneath your roofing surface.

Garage roof rafter replacement.

Be careful not to damage any nearby roof shingles or flashing. If you are replacing the entire rafter screw down into the wood through the top and bottom joists. Use a reciprocating saw to chop out the rotted rafter. This can seem like a huge job but in fact it s not too difficult.

Cut off the rotted rafter tail with a reciprocating saw. Use your tape measure to record the. If you need rafters that are 20 1 or longer you will need an lvl laminated veneer lumber engineered rafter board which is this yellow color. Drill holes in angle iron to keep the rafter from buckling again you will need to secure it with a piece of 1 2 inch angle iron.

Repeat with the other side. Fit the rafter into place between the boards and screw through the sister boards into the rafter. While a roofing contractor would perhaps have proposed a complete tear down of the roof replacing it with straight modern size rafters the owner preferred to keep the roof sheathing in place and to straighten the roof by applying force from below while adding additional framing members. If replacing part of the rafter attach one end of each sister board through the existing rafter.

How to replace the rafters without removing the roof step 1. Subscribe for more videos. Slide one of the newly cut rafter legs into position directly next to the old rafter. In face you won t be replacing the rafter but adding a support on the side along its length a process known as sistering.

Pull down to remove the old soffit. When you have a problem with a roof rafter in the garage it s important that you immediately take care of it to keep the roof secure. Rafter spacing and roof length will be used to determine quantity of rafters needed for your project. Note that a squirrel had built a large nest above the soffit shown here.

Cut a piece of 1 by pressure treated lumber that is longer than the replacement board by 4 to 6 inches. Use a hammer and nails to. Hope you like this video please share it if you like it. Rafters longer than 20 feet.

Home improvement stores do not sell pine boards longer than 20 feet. 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. This will give some added strength and take care of any cracks in the wood itself. Lumber size width 2x8 2x10 or 2x12 boards will be used to estimate cost of each rafter as well as total cost excluding local sales tax.