Roofing A One Way Sloping Back Porch

It is a common roof on sheds and other outbuildings and is frequently used on carports patios porches and small additions to a house.

Roofing a one way sloping back porch.

Place the second row of roofing so the top edge aligns with the chalk line and the bottom edge covers the. After that to make it flush with the roof of the existing house cut the two outer rafters. Sheathing 1 2 inch plywood or osb is nailed to the rafters. Attach the horizontal beam by using a nail gun.

Drive a nail into each corner of the plywood to hold it in place temporarily. After installing the rafters we still had to extend the porch roof back over the shed roof creating a valley on either side. You have to do it thoroughly so that the rafters sit flush on it. Match roof material and use appropriate slope match the roofing on the covered porch with the main roof.

Determine the minimum slope of the roof based on the roofing material. Then attach drip edge over the roofing paper. The minimum pitch for. Once completed roofing paper will be installed.

To a large extent they are self bracing with opposite ends pushing inwards so they are strong in relation to wind forces. It also is often used on dormers extensions built on a basic roof to provide more light or space inside. To keep the porch roof framing as simple as possible we installed a structural ridge supported by posts at each end with the common rafters landing on top of the ridge. Hip roofs are sloped from each wall and do not have the gable ends.

Hip roofs allow for extended depth. Put down your first sheet of plywood at the corner of one end of the roof. A roof that slopes in only one direction is called a shed or pent style. Make sure it s lying horizontally across the exposed rafters and that the edges are flush with the edges of the end rafters.

Make a cutting on one of the sides of the horizontal roof beam on an angle.