Then attach drip edge over the roofing paper.
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.
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.
Place the second row of roofing so the top edge aligns with the chalk line and the bottom edge covers the.
After installing the rafters we still had to extend the porch roof back over the shed roof creating a valley on either side.
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.
Put down your first sheet of plywood at the corner of one end of the roof.
Match roof material and use appropriate slope match the roofing on the covered porch with the main roof.
Make a cutting on one of the sides of the horizontal roof beam on an angle.
It also is often used on dormers extensions built on a basic roof to provide more light or space inside.
Hip roofs are sloped from each wall and do not have the gable ends.
A roof that slopes in only one direction is called a shed or pent style.
Determine the minimum slope of the roof based on the roofing material.
Make sure it s lying horizontally across the exposed rafters and that the edges are flush with the edges of the end rafters.
Hip roofs allow for extended depth.
Drive a nail into each corner of the plywood to hold it in place temporarily.
To a large extent they are self bracing with opposite ends pushing inwards so they are strong in relation to wind forces.
Once completed roofing paper will be installed.
Attach the horizontal beam by using a nail gun.
When building a porch roof asphalt shingles or other roofing material are then attached over the roofing paper and drip edge.
Hip roof construction is one of the most popular methods used for both porch and screen porches.