How Do You Build A Pitched Roof Over A Porch

A roof protects a house and porch from snow and rain as well as the heat of the sun.

How do you build a pitched roof over a porch.

Together the beams will make a frame. The angles you cut the rafter ends determine the pitch of the roof and the length of the rafters. See our link to calculating your pitch above. Minimum roof pitch for a covered porch.

Now you can begin shingling your roof preferably with asphalt shingles. Nail the shingles to the felt starting from the outside in and cutting to fit when you reach a corner or edge. Put it between fascia board and roofing material and fix with nails. Collar ties are horizontal braces that can be installed between opposite rafters to add strength and lateral stability.

You run the risk of detracting from the architectural style of your home if you don t do this. First of all fasten the beams to the rafters from one side and support posts from the other side. Make a cutting on one of the sides of the horizontal roof beam on an angle. Mark out the roof i measured the centre of the concrete slab flat roof transferred the line to the wall and then used a plumb line to carry the line up the wall over and above where the roof apex would end up.

Once the trusses soffit and fascia are in place lay the roofing felt in place. Nail the trusses into the existing room fasteners. You have to do it thoroughly so that the rafters sit flush on it. After that to make it flush with the roof of the existing house cut the two outer rafters.

Your porch roof pitch should maintain the same pitch also known as rise and run as the other roof lines on your home or as a minimum the pitch of the roof directly above the porch roof. Use plywood to insulate your porch roof. Adding a covered porch adds exterior space to a house and providing a. Attach the horizontal beam by using a nail gun.

On the header side the rafters are typically notched with a birdsmouth over the top of the header or top plate of the porch wall.