The type of soffit installation depends on the type of material and the eave construction. You should also check local building codes for the amount of ventilation required in your area, as well as the required or suggested application methods. This may also depend on the windloads in some areas. One factor is the maximum permissible span of the soffit material. Soffits usually range from 16 to 24 inches wide.
For instance, CertainTeed Ironmax soffits may span 24 inches without additional nailing strips, if permitted by code rules. Vinyl is one of the most popular soffit materials. Photo courtesy of CertainTeed. The installation also depends on whether the eave construction is open or closed.
Open eave construction, where the rafters or trusses are exposed, is common on new construction. Closed eave, where an existing soffit is in place, is typical of remodeling projects. Rotted or deteriorated wooden soffits should be removed before installation of new vinyl soffits. Installation of vinyl depends on the type of construction, open or closed eave, and whether the fascia cap is to be applied.
You may also wish to install a vinyl fascia cap over the fascia board that encloses the front of the eave. In this case the fascia cap or coil stock must be installed first as it supports the outer edge of the soffit.
First step is to apply the receiving channel or channels, depending on the type of installation needed. The first step is to determine the amount of material needed. To determine the number of squares of soffit required, measure the under-eave areas and multiply the length by the width for each overhang.
Add up the total of all overhangs and divide the total by to determine the number of squares. Next measure the total linear feet of installation components, including: F-channel, J-channel, H-bar, undersill trim and fascia. Add 10 percent to your total for waste and miscalculation. Prep the area by nailing all loose boards and trim securely in place. Remove any downspouts or lighting fixtures that are in the way. Tie back trees and shrubbery so you have easy access to the eaves.
Allow for expansion and contraction when nailing in place. Open eave installation of a vinyl soffit begins by first installing the proper receiving channels. Either F-channel or J-channel can be used. J-channel can be modified to create F-channel. Pry it out gently. Remove the prybar and reinsert it 12 inches away from the original insertion point. Continue prying and pulling until the ledger board comes loose from the house.
When the ledger comes off, it will still be attached to the plywood, which will tilt down in one large piece. Repeat the procedure on the fascia side by inserting the pry bar, prying and lifting until the plywood comes completely off from both sides. The ledger board should still be attached to the plywood on both sides. Pry the ledger off the plywood on both sides. Flip the plywood over to reveal the inside of the plywood where it's been protected all these years.
Clean up the ledger board, apply glue and staple back in place on the reverse side of the plywood. Reverse the procedure by reinstalling the plywood with the good side down and you're ready to paint. For a quick pick-me-up, try overlaying the plywood under the eave.
Labor setup time, mobilization time and minimum hourly charges that are commonly included for small Wood Soffit Installation jobs. The cost estimate does NOT include: Costs for removing, relocating, repairing, or modifying existing framing, surfacing, HVAC, electrical, and plumbing systems - or bringing those systems into compliance with current building codes.
Costs for testing and remediation of hazardous materials asbestos, lead, etc. General contractor overhead and markup for organizing and supervising the Wood Soffit Installation. Sales tax on materials and supplies. Permit or inspection fees or portion thereof required by your local building department for your overall project. Zip Code. Linear Feet. Item details. Wood Soffit Cost Non-discounted retail pricing for: 16" x 16' prefinished vented soffit panel.
The best way to do this is to treat them with a wax or resin finish. Brush the sealant onto both sides of your materials, then let them sit until they're dry to the touch. Attach the new soffit. Align the soffit board with the underside of the eave so that its edges are flush with the rafter. Then, nail it into place.
For a sturdier hold, sink a nail every 4—6 inches 10—15 cm. It may help to have an assistant hold the board in place while you fasten it down. Spread caulk around the edges of the soffit. Use a caulk gun to fill in any gaps, cracks, or crevices you happen to spot in the new soffit. This will provide further protection against water and insect-related damage. Allow the filler to harden before modifying the soffit in any way. Attach the new fascia. Position the replacement boards over the rafter and secure them using galvanized nails or 2.
Repeat this process for each section of the roof where the eaves are beginning to show signs of deterioration. By the time you finish your project, your new overhang will be solid, watertight, and ready to stand up to a stiff downpour or a family of nesting squirrels. Did you know you can get expert answers for this article? Unlock expert answers by supporting wikiHow. Barry Zakar Handyman.
Barry Zakar. Support wikiHow by unlocking this expert answer. Not Helpful 0 Helpful 0. Not Helpful 0 Helpful 1. Include your email address to get a message when this question is answered. By using this service, some information may be shared with YouTube. Invest in durable, high-quality building materials to ensure that your new eaves will last a good long time. Helpful 1 Not Helpful 0. Helpful 0 Not Helpful 0. If you have any doubts about your ability to install any of the new roofing components yourself, hire a professional contractor.
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