How To Cut Into Gable Roof To Add A Porch
Install metal drip edge at the eaves.
How to cut into gable roof to add a porch. After that to make it flush with the roof of the existing house cut the two outer rafters. Cut the small triangle out with a hand saw or circular saw. Before you cut your boards you ll need to measure the width of your building and calculate the exact length of each rafter. Measure about 7 8 inch 22 mm from the end of your rafter using your framing square.
Make a seat cut on the end of your rafter so it lays flat on your top plate. You have to do it thoroughly so that the rafters sit flush on it. Once new trusses are secured sheath the roof with oriented strand board osb lay down roofing paper then nail on shingles. Then install new ridge board tying it to the old roof by cutting back part of the original ridge board so there is overlap.
The blocking is held low to hide the roof wall intersection and to provide a 1 inch air space at the top for a ventilation channel. Here there are you can see one of our framing a porch roof gable gallery there are many picture that you can found we think you must click them too. Using the building plans cut the valley rafters. Secure the truss closest to the house using nails.
If you re framing a gable roof on a new house or building a shed or even a doghouse with a gable roof you ll need to cut a number of roof rafters. The roof deck is 1x6 attached to the top of the rafters with 1 4 inch space between boards. At the beam end the rafters are fastened with a 10 inch structural screw through the top of the rafter into the beam. Nail the ridge board to the gable roof.
You will need to position the porch trusses flat against the top plate of the porch s end. Again choosing the easy way out we opted to build blind valleys aka california valleys where one intersecting roof is built on top of the other. How to tie a additions roof to existing roof roof designs to attach to existing home how to construct a roof from an exsisting shead how to attach a deck roof to existing roof how to add a roof over porch cost to tie into existing roof attache porch roof on house attach shed roof to house adding a roof to screened in porch adding a roof to existing. Line up your framing square again to make a triangle with the mark.
Attach the horizontal beam by using a nail gun. The angle is then cut and the blind valley fastened into place. Then add siding and trim to the new gable roof end. Make a cutting on one of the sides of the horizontal roof beam on an angle.