New Roof Sheathing Over Old

Tying A New Roof Into An Old One Fine Homebuilding Question Answer Building A House Building An Addition Roof

Tying A New Roof Into An Old One Fine Homebuilding Question Answer Building A House Building An Addition Roof

Re Roofing Tearing Off Old Shingles Adding New Sheathing Installing Drip Edge Ice And Water Shield Solar Panels Best Solar Panels Solar Heating

Re Roofing Tearing Off Old Shingles Adding New Sheathing Installing Drip Edge Ice And Water Shield Solar Panels Best Solar Panels Solar Heating

Elevation Drawing Shingles Over Unvented Decks And Sealed Decks Google Search In 2020 Spray Foam Insulation Roof Sheathing Spray Foam

Elevation Drawing Shingles Over Unvented Decks And Sealed Decks Google Search In 2020 Spray Foam Insulation Roof Sheathing Spray Foam

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Unvented Roof For Cold Climate Metal Roofing Over Exterior Rigid Foam Greenbuildingadvisor Com Metal Roof Roof Insulation Rigid Roof Insulation

Above Deck Rigid Foam Insulation For Existing Roofs Building America Solution Center Roof Sheathing Standing Seam Metal Roof Building Roof

Above Deck Rigid Foam Insulation For Existing Roofs Building America Solution Center Roof Sheathing Standing Seam Metal Roof Building Roof

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Unvented Attic Insulation Building America Solution Center Roof Insulation Roof Cladding Patio Roof

Unvented Attic Insulation Building America Solution Center Roof Insulation Roof Cladding Patio Roof

The new plywood thickness should be.

New roof sheathing over old.

As long as the new plywood itself can span the distance and carry the roof wind seismic and snow loads for your region adding new ply over old is just fine. Answered 6 years ago by wowhomesolutions. Has the same manufacturer s warranty. Installation is easier than for a tear off job because you can use the existing shingles as guides for laying the new ones.

Installing new roof shingles over old effectively doubles the weight of the roofing so you have to make sure your roof structure can handle the extra load. The existing asphalt shingles need replacement so he plans to do a tear off and re shingle. Looks just as good and lasts as long. If conditions are right new shingles laid over old shingles can be just as attractive and durable as shingles laid on bare sheathing.

Find a pre screened local roofing contractor. Nailing new shingles over existing ones is less expensive and faster requiring less labor but it also means you lose the chance to assess the sheathing for signs of water damage. But you must take care to install shingles correctly so they lie flat. That must always be accounted for in the roofing design process.

Going over inadequate thickness plywood for a more solid deck or skip sheathing is fine as long as they pay special note to the ventilation and home the roof is designed to vent. Construction of a new roof deck for asphalt fiberglass roofing if you re going to add a roof on top of an old one it s a good idea to remove any loose shingles and apply a new layer of 30 pound roofing felt before laying the new shingles. Roy gingrich of ellicott city has a 40 year old house with an asphalt shingle roof surface. Installing a new roof over shingles takes less time than tearing off the old roof.

Ideas Metal Seam Roof Details Roofing Decoration Intended For Dimensions 1050 X 1200 Standing Seam Metal Roof Metal Roof Construction Metal Roof

Ideas Metal Seam Roof Details Roofing Decoration Intended For Dimensions 1050 X 1200 Standing Seam Metal Roof Metal Roof Construction Metal Roof

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Asphalt Shingle Roof In 2020 Diy Roofing Roofing Home Improvement Projects

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Roof Insulation Retrofit 0 Png 776 386 Roof Insulation Exterior Insulation Roof Design

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Exterior Roof Insulation Retrofit Unvented Roof Protradecraft In 2020 Roof Insulation Exterior Insulation Roof Sheathing

Roof Insulation Roof Insulation Roof Sheathing Cathedral Ceiling

Roof Insulation Roof Insulation Roof Sheathing Cathedral Ceiling

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Related Image Passive House Design Porch Plans Roof

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How To Build An Insulated Cathedral Ceiling Roof Insulation Roof Sheathing Cathedral Ceiling

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What You Need To Know About Roof Sheathing Rgb Construction Roof Sheathing Types Of Roofing Materials Sheathing

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Re Side Over Lead Tainted Siding Installing Siding Siding Building A House

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Reroofing Over Zip System Sheathing Roofing Reroofing Building A House

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Roof Sheathing On 13 Year Old Icynene Insulated Roof Was Rotten Problems With This Roof I Roof Sheathing Spray Foam Attic Insulation Open Cell Foam Insulation

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Our Room Addition Flat Roof Roof Framing Flat Roof Repair

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Insulation Detail Basement Renovations Membrane Roof Roof Sheathing

This Isometric Illustration Shows The Different Layers Of A Typical Asphalt Shingle Roof The Roof Shea Roof Shingles Installing Shingles Asphalt Roof Shingles

This Isometric Illustration Shows The Different Layers Of A Typical Asphalt Shingle Roof The Roof Shea Roof Shingles Installing Shingles Asphalt Roof Shingles

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Pin By Guy Lubroth On Sips Membrane Roof Roof Sheathing Cavity Insulation

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File Wide Box Cornice Jpg Wikimedia Commons Roof Soffits Vinyl Siding Installation Roof

Pin On Building Products

Pin On Building Products

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Two Different Examples For Installing Home Addition Roof Sheathing Soffit And Exposed Rafter Eaves Youtube Roof Design Porch Roof Styles Porch Roof

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Https Encrypted Tbn0 Gstatic Com Images Q Tbn 3aand9gctd Knwg9 Aqvxobeiwrmo Ycxevyvqv5dpu08wjq Qygicqy3m Usqp Cau

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Tying Into A Exsisting Roof Over Framing A Cross Gable Roof To A Open Great Room Cathedral Image Gable Roof Design Gable Roof House Exterior

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How To Install Rigid Foam On Top Of Roof Sheathing This Type Of Insulated Roof Assembly Limits Thermal Bridging Throu Roof Sheathing Roof Insulation Cool Roof

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Pin By Randy Harter On Diy Shingling Drip Edge Roofing

Roof Installation Roof Installation Roof Sheathing Roof

Roof Installation Roof Installation Roof Sheathing Roof

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