Rigid Foam Above The Roof Sheathing

How To Install Rigid Foam On Top Of Roof Sheathing Greenbuildingadvisor Roof Insulation Roof Sheathing Cathedral Ceiling

How To Install Rigid Foam On Top Of Roof Sheathing Greenbuildingadvisor Roof Insulation Roof Sheathing Cathedral Ceiling

Rigid Foam Keeps The Roof Sheathing Warm And Dry During The Winter One Way To Build A Code Compliant Unvented Roof Is Roof Insulation Roof Cladding Patio Roof

Rigid Foam Keeps The Roof Sheathing Warm And Dry During The Winter One Way To Build A Code Compliant Unvented Roof Is Roof Insulation Roof Cladding Patio Roof

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

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

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

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

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

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

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

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

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

Cut each sheet to the desired size using a utility knife then fasten it in place using staples or adhesive.

Rigid foam above the roof sheathing.

In any case the foam needs to be thick enough to keep the interior of the foam above the dew point in your climate and the seams need to be carefully taped with a high quality compatible tape. Start at the bottom of the roof and place the first piece of rigid foam insulation against the metal flashing starting at the center line. Use rigid foam insulation to cover wider spans of roof sheathing between joists. 3 benefits of rigid foam sheathing.

With three layers of 11 2 in. Over the foam you will need something to nail the roofing to usually a solid sheet of plywood or osb. How to retrofit a roof to a high performance roof with insulating sheathing above the roof deck plus cavity insulation in roof framing remove existing roofing and non adhered roof underlayment. The exposed edges of the 3 layers of rigid insulation are no longer exposed.

We live in zone 5 suburb of chicago and are hopefully about to put rigid foam above the roof sheathing on just the northeast roof portion of our roof. Here is the controversy. Deck for a thick roof rigid foam insulation installed above the roof assembly can create an energy smart roof. Of cellulose insulation in the rafter cavities the roof shown here has an r value of approximately 63.

To save a step i would recommend using a nailbase panel foam preadhered to osb or sometimes plywood on one side only see photo facing page. 4 of polyiso under 4 of eps all above the original roof sheathing. Apply a continuous air control membrane to existing roof sheathing or tape all joints between roof sheathing panels with an acrylic or butyl adhesive. Box beam gable framing new gable overhang is framed in the form of a box beam hanging off of a new layer of roof plywood roof sheathing cantilevered over the top of the 3 layers of rigid insulation.

Avoids nails or screws which could penetrate the metal roof and cause leaks. Nail it around the edges with roofing nails. However for the best performance and for when space comes at a premium it s tough to beat rigid foam insulation. Polyisocyanurate insulation above the sheathing and approximately 91 4 in.

More effective insulation with r values ranging from 3 6 to 8 0 rigid foam sheathing has much better insulation per inch than other materials i e. Plywood has an r value of 1 25 and fiberglass batts have an r value of 3 14. The nailbase panels are installed with long screws that have flat heads. High moisture areas may benefit from leaving a small air space between roof sheathing and the rigid foam insulation panels.

Exceptional Roof Sheathing Material 8 Shcematic Of Exterior Insulated Roof Assembly With Vented Cladding Standing Seam Metal Roof Roof Sheathing Metal Roof

Exceptional Roof Sheathing Material 8 Shcematic Of Exterior Insulated Roof Assembly With Vented Cladding Standing Seam Metal Roof Roof Sheathing Metal Roof

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

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

Article Image Roof Insulation Roof Sheathing Foam Insulation

Article Image Roof Insulation Roof Sheathing Foam Insulation

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Metal Roof Unvented Exterior 6 Rigid Insulation Roof Insulation Rigid Insulation Metal Roof

This Insulated Sloped Roof Assembly Locates All Of The Insulation On The Exterior Side Of The Roof Sheathing Roof Insulation Details House Roof Roof Insulation

This Insulated Sloped Roof Assembly Locates All Of The Insulation On The Exterior Side Of The Roof Sheathing Roof Insulation Details House Roof Roof Insulation

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Rr 0108 Unvented Roof Systems Roofing Systems Roof Insulation Details Roof Insulation

Rigid Foam On The Roof And Walls This Energy Smart Detail Will Increase R Value And Prevent Condensati Interior Wall Insulation Roof Insulation Membrane Roof

Rigid Foam On The Roof And Walls This Energy Smart Detail Will Increase R Value And Prevent Condensati Interior Wall Insulation Roof Insulation Membrane Roof

How To Install Rigid Foam On Top Of Roof Sheathing Roof Sheathing Roof Foam Insulation Board

How To Install Rigid Foam On Top Of Roof Sheathing Roof Sheathing Roof Foam Insulation Board

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Vented Roof For Mixed Climate Cathedral Ceiling Metal Roofing Vinyl Siding Over Rigid Foam Greenbui Metal Roof Roof Construction Standing Seam Metal Roof

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Unvented Roof For Hot Climate Raised Heel Truss Wood Shingle Roofing Over Spray Foam Greenbuildingadvisor Com Roof Detail Roof Shingles Roof Sheathing

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Rr 0404 Roof Design Building Science Corporation Instead Of Installing Rigid Insulation Above The Roof Deck To Roof Design Roof Cladding Rigid Insulation

Vented Attic Siding For Mixed Climate Raised Heel Truss Asphalt Roofing Wood Lap Siding Over Rigid Brick Veneer Siding Shingle Roof Details Brick Veneer

Vented Attic Siding For Mixed Climate Raised Heel Truss Asphalt Roofing Wood Lap Siding Over Rigid Brick Veneer Siding Shingle Roof Details Brick Veneer

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

Attic Floor Insulation Should Extend Over The Top Plates Of Perimeter Walls To Timber Roof Shed Roof Roof Construction

Attic Floor Insulation Should Extend Over The Top Plates Of Perimeter Walls To Timber Roof Shed Roof Roof Construction

Bsi036 Figure 02 Sloping Unvented Compact Roof Roofing Systems Roof Insulation Details Roof Insulation

Bsi036 Figure 02 Sloping Unvented Compact Roof Roofing Systems Roof Insulation Details Roof Insulation

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Insulating And Venting Low Slope Or Flat Roofs Metal Roof Rigid Insulation Roof Sheathing

Vented Attic Siding For Cold Climate Raised Heel Truss Wood Shingle Roofing Brick Veneer Siding Ove Brick Veneer Siding Shingle Roof Details Brick Veneer

Vented Attic Siding For Cold Climate Raised Heel Truss Wood Shingle Roofing Brick Veneer Siding Ove Brick Veneer Siding Shingle Roof Details Brick Veneer

Airtight Wall And Roof Sheathing Greenbuildingadvisor Roof Sheathing Concrete Slab Efficiency House

Airtight Wall And Roof Sheathing Greenbuildingadvisor Roof Sheathing Concrete Slab Efficiency House

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Https Encrypted Tbn0 Gstatic Com Images Q Tbn 3aand9gctcdyxsc9elojctm K Z8omx5d3acq U2egjyyduvx8evscq8ub Usqp Cau

Pin By David Scott Anderson On Field Work Roof Construction Roof Insulation Roofing

Pin By David Scott Anderson On Field Work Roof Construction Roof Insulation Roofing

Photo Of A Builder Installing Furring Strips Over Polyiso Wall Sheathing Rigid Foam Insulation Exterior Insulation Exterior Wall Insulation

Photo Of A Builder Installing Furring Strips Over Polyiso Wall Sheathing Rigid Foam Insulation Exterior Insulation Exterior Wall Insulation

A Practical Air Sealing Sequence Roof Sheathing Roof Architecture Modern Roofing

A Practical Air Sealing Sequence Roof Sheathing Roof Architecture Modern Roofing

2 Layers Of Polyiso Insulation Above Plywood Roof Sheathing 3 Inches Total Provides Good Thermal Break And Additional Roof Sheathing Rigid Insulation R Value

2 Layers Of Polyiso Insulation Above Plywood Roof Sheathing 3 Inches Total Provides Good Thermal Break And Additional Roof Sheathing Rigid Insulation R Value

Site Built Ventilation Baffles For Roofs Roof Vents Roof Attic Insulation

Site Built Ventilation Baffles For Roofs Roof Vents Roof Attic Insulation

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