How To Tie A Roof Into A Trussed Roof

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How to tie a roof into a trussed roof. Step 3 connecting the new roof. This is important to minimize the chance of any water being able to penetrate the gap. After the addition roof is framed and sheathed snap a line on the existing roof shingles 2 in. Make a cutting on one of the sides of the horizontal roof beam on an angle.

The porch roof may match the pitch of your home or have a more shallow roof pitch. Use screws to secure the rafter to the sill plate. The positioning of your rafters will depend on the pitch of the porch roof. You have to do it thoroughly so that the rafters sit flush on it.

Joist hangers can help you mount each rafter to the house. After the ridge is cut to the correct angle and length it s nailed into place. Up from the valley center and cut through the shingles and underlayment. The new roof will need to be cut to the right angle so that it fits snugly against the roof.

The roofing cement will resist possible leaks overnight. Attach the horizontal beam by using a nail gun. To scribe the roof angle on the ridge a length of stock is leveled over from the common rafters and a 2 by scrap is set against the sleepers. The easiest way to tie in the new shingles with the old is with a cut valley see four ways to shingle a valley.

If you decide on a shallow pitch porch roof use 2 by 6 foot rafters. They form an upside down v with the point at the top of the addition roof. After that to make it flush with the roof of the existing house cut the two outer rafters.