How to Install & Build a Porch Roof
A porch roof is essentially composed of layers of specialized materials that are designed to last for many years of natural exposure. Above the structural trusses or rafters, your roof will be covered in 3/8” or 1/2” tongue and groove plywood. The plywood for the roof comes in 4’x8’ sheets and will hold the roof members together much like decking secures the deck frame. The next layer will be a minimum #15 roofing felt, which can be stapled in place over the plywood to create a water tight barrier for the shingles to cover. Install drip edge flashing to the lower edge of the roof and step flashing at the house wall.
|1.Siding||2.Kickout Flashing||3.Step Flashing|
|4.House Sheathing||5.Gutter||6.Roof Sheathing|
|7.Drip Edge Cap||8.Asphalt Shingles||9.Roof Felt|