The drainage channel between the roof deck and the fascia board improves water movement from the roof and prevents moisture damage. Drip edge flashing is a drainage channel between the fascia and the drip edge. You can place the roof drip edge above the roof’s cover, between the roof sheathing and the fascia. It directs water flow from the top and protects your roof foundation from premature damage. The drip edge flashing is non-corroding moisture protecting metal you can attach to your roof’s edge to serve as water drainage for your roof. However, if there is a space between the roof sheathing and the fascia, you might have to install a drip edge above the fascia to protect fascia from moisture. When placing your fascia, ensure that the edge of the fascia board is at the same level as the sheathing. The roof sheathing should be flush with the fascia. Next, install the shingles starting from the roof’s edge, moving upwards till you have replaced all the shingles. Start by installing the drip edge flashing along the overhang, then lay your three-tab shingles on the roof’s edge. Replace the old shingles and sheathing or use new replacements to cover the open side of the roof. You can include enclosed eaves by installing soffits underneath the overhang to wrap the overhang space.Īfter framing the roof, sheathing overhang, cover the rafter extensions, the open sheathing, and three-tab shingles. Use galvanized roofing nails to nail the rafter extension to the old rafters.Īttach your fascia boards along with the new extension. Ensure the overhang is less than two feet from the roof deck tail to stabilize it against the roof. Position the other ⅓ to extend outward past the typical roof sheathing length. Place the rafter tails against the old rafters such that ⅔ of the new rafter extension overlaps the existing rafters. Ensure the rafter tail measurement is thrice the overhang length that you need. Measure and cut out the rafter extension from lumbers the same size as the old rafters on your roof. If the workspace you need from the attic is not enough for you after removing the fascia, you may have to remove the three-tab shingles and roof sheathing from the lower end of the work area.Ĭlearing the section will give you enough space to install the roof overhang. To prepare your roof for the new installation, separate the fascia from the roof deck and remove any finishing pieces covering the rafter tails. Roof sheathing overhang provides shelter for your building, protecting it from weather like rain and heat.Įrecting a roof overhang is not difficult, but installing the overhang might require some expense and expertise.
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