removing existing roof on spray foam qa forums message

Icynene-Lapolla Expands Product Line in Canada | 09 ...

As part of the effort, a suite of Lapolla’s standout spray polyurethane foam insulation, roofing and coating solutions will be made readily available to Canadian customers. “Canada is a key market for us,” said Doug Kramer, president of Icynene-Lapolla.

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Buried Ductwork in the Energy Code | JLC Online | HVAC ...

The research team reconfigured three existing vented attics in Jacksonville, Fla., by removing the insulation, relocating the ductwork to the attic floor, spraying the ducts and distribution boxes with 1.5 inches of closed-cell spray polyurethane foam, and then burying the ducts with a fresh application of blown fiberglass.

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What's the latest on insulating balloon framing | Fine ...

My own house has rigid foam, cellulose, and spray foam with vented and unvented roofs. The key thing to remember is that "roof venting" is a pretty weak tool to try and fix a problem. In general if you are retrofitting roof venting into an existing problem roof you've lost …

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Quality Control in Spray Foam Applications

quality control in spray foam applications roger lock mactec engineering and consulting inc. quality control a quality spf roofing application will last for years and delight the customer with continued performance. ... spray foam.org. quality roofs. quality roof. quality roof. quality roof.

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Venting a flat roof - JLC-Online Forums

 · closing off this space to air/moisture is key to the longevity of this design and efficiency of this style of roof. Fiberglass is no good when you air to pass through it. We just had this discussion regarding a vault. Seal it well against air/moisture, insulate it with a spray foam, add a couple of inches to the top of the roof, and it will ...

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Insulation and new codes - GreenBuildingAdvisor

Planning a renovation and addition of an existing house; 1. Climate Zone 4 - the new insulation code for ceilings is R49. Is the only way to achieve this in 2x12 roof framing to use closed cell spray foam or rigid on the exterior? Client doesn't want to use spray foam. Working to match existing roof lines and not remove the existing roof.

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Spray Foam Question - Page 3 - Compact tractor forums ...

 · Spray foam has its place but underside of the roof is not the place to use . It's causes premature failure of the roof. Shingles will blister and fail and when they fail the roof deck will be rotten before it is discovered. The manufacturers will deny the warranty if failure is due to inadequate ventilation.

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Adding insulation to roof top - General Discussion ...

 · I was going to use spray foam, they did a lot of mobile homes here to help in the winter. remove stuff, add metal or wood risers to raise things up 1 or 2", set a 1/4" plywood divider strip down the center and spray one side. They use a hot wire to cut the foam to shape and smooth it. Then remove the plywood and spray the other side and shape it.

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My Roof is Leaking-Roofbond foam spray Traditional Re-roof ...

 · My Roof is Leaking-Roofbond foam spray Traditional Re-roof. Discussion in 'Roofing and Guttering' started by johncrowther, . ... if you can get a replacement tiles with roofing felts if money is tight otherwise it will cost you more than £4000 to remove the spray foam and repairing the rotted rafters.

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spray foam insulation - boards.ie

 · spray foam insulation Construction & Planning. spray foam insulation. Boards.ie uses cookies. ... Boards.ie is a discussion board with a wide range of forums, including - but not limited to - Soccer, Weather, ... So the heaving of the existing felt is avoided. Something that other cowboys in the trade wheren't even aware of.

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Removing Wet Foam - Moderated Discussion Areas

I believe the key with this approach would be to leave as much of the existing foam in place, removing only the wettest areas and proving a tunnel for air circulation to dry out the remaining foam …

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Insulating existing flat roof ceiling - Forum - Bob Vila

Insulating existing flat roof ceiling. ... nail up inch thick thermax or other foil faced foam and tape the seams. then run 1x3 or 1x4 straping across it perpendicular to the joists, then your ...

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Roof Ceiling Insulation | Mail Cabinet

Montgomery Attic Insulation Remove Install Spray Foam -> Source ... Slate Roof Central Message Board Spray Foam Insulation On Non -> Source ... Batt Insulation For Existing Vented Attics Building America -> Source Pink Batts Skillion Roof Insulation By Tasman Nz -> Source

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Below Deck Spray Foam Insulation for Existing Roofs ...

Insulate an attic in an existing home by installing spray foam (open cell or closed cell) on the underside of the roof deck. This measure will convert a vented attic to a nonvented attic. The installation steps are as follows: Inspect the existing roof shingles or roofing membrane for any deficiencies.

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Anyone do their own barn insulation? - Chronicle Forums

Posts in the discussion forums directly or indirectly advertising horses, jobs, items or services for sale or wanted will be removed at the discretion of the moderators. ... Anyone do their own barn insulation? Aug. 12, 2009, 02:57 AM. ... If money is not very tight, ask about spray on foam. That is all they are using around here any more, is ...

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Spray Foam Attic Insulation - InterNACHI Inspection Forum

 · When a spray foam insulation is applied to the roof sheathing (which is highly recommended for newer tighter homes), it now insulates the attic space from the extreme 130 F heat that once radiated right thorough the hot shingles and roof sheathing. ... One of the problems with spray foaming the rafters of an existing building is the size of the ...

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Spray Foam verses Radiant Barrier - GreenBuildingTalk ...

 · Forums > Green Building Forums > General Forum - Residential. ... Biggest problem will be access for application of spray foam in a remodel situation on an existing structure. Pick best method you can to advance the cause of improving your energy efficiency. ReadyToRetire ... A spray foam roof deck insulated to R will give a U-Value of 0 ...

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OT, roof insulation question - practicalmachinist.com

 · Foam on either side of the existing ceiling/roof would be much, much better than foam in the cavities and a lot easier to apply. Rigid foam is also a lot cheaper than spray foam. Leave a gap between sheets and foam the joints.

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Recessed Can Lights And Spray Foam In Attic - Page 2 ...

 · If you spray foam on the under side of the roof deck you simply make the "Attic" a part of the interior conditioned space and as a result it will be much cooler. If you are still worried about elevated shingle temps or trapped moisture you can build a "cold" roof assembly on top of the existing roof... simply 2x2 furring on top of sheathing ...

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Spray Foam Roof Coating - Advice - Roofing - Contractor Talk

 · Re: Spray Foam Roof Coating - Advice 1) From years of experience, I think think the Spray-urathane roofing is the worst system in the market. I always recommend removing the existing roofing, If you don't you will be trapping moisture and mold.

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Spray Foam Roofing - Learn About the Advantages and ...

This makes a spray foam roof system ideal for re-roofing, as it is possible to apply over an existing built-up roof without removing it. Spray Foam Roofs have the Highest “R” Value Spray foam roofs has an aged “R” value of 6.2 – 6.5, enabling it to provide more thermal resistance with less material than any other roof insulation.

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HOT-ROOF QUESTION | Fine Homebuilding | Breaktime

In general, approach #4, with or without ventilation, could use any type of insulation including spray foam. If it used a vapor impermeable insulation such as spray foam, the film vapor barrier would be redundant if the spray foam were properly performing as a vapor barrier.

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How much to spray foam insulate garage? - RedFlagDeals.com

 · I would behoove them to take care not to damage the vapour barrier. but, if they were going with the spray foam route, definitely remove all of the existing batting. May 2nd, 2011 1:52 pm #9

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Painting spray foam insulation? - Walleye Message Central

 · Spray foam and foam boards can be used to insulate almost anything, including: roofs, walls, foundations, entry and overhead garage doors, pipes and tanks, under basement slabs, or over a slab-on-grade floor.

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new roof on an existing home | Ask The Experts Forum ...

 · new roof on an existing home Back to Energy Efficiency ... foam, then lath then metal roof. to make matters somewhat more complicated, i have 5 skylights in the existing roof. Share. Or copy this URL: ... I would remove the decking and insulation. The easiest thing to do at that point would be to spray foam from the top down (preferably closed ...

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OT: Insulating a flat roof - practicalmachinist.com

 · I have a virtually flat roof on my shop and we had to rip out the blown cellulose insulation we had in the ceiling because it was caving in. Our plan is to go with a spray foam roof. They will remove the existing gravel and spray a heavier density foam on the roof then they spray …

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Can I apply spray foam insulation directly to the ...

The foot roof panels will be anchored to purlins that run diagonal to the rafters. I would like to avoid installing sheathing if possible (extra waste), but I don't want to compromise the R-value of the spray foam or to have the foam ooze out between the metal panels as it expands.

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Dealing with an old brick fireplace and home renovation ...

 · I completely sprayfoamed and insulated the crawl space to R38+ on the outer walls, working on a 38walled addition, insulating the roof deck of my attic, had my old wood siding replaced with vinyl covered with house wrap over the existing 3/4 foam …

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Spray Foam verses Radiant Barrier - GreenBuildingTalk ...

 · Spray foam is the way to go, Icynene, Demelec(sp), etc. Sealed attic is great. I agee with wes on this. Biggest problem will be access for application of spray foam in a remodel situation on an existing structure. Pick best method you can to advance the cause of …

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Blisters: To Repair or Not to Repair - Roofing Contractor

Blisters: To Repair or Not to Repair. Septem. Reprints ... Deciding whether to cut out and remove, patch over to reinforce, or simply monitor blisters, is a judgment call. In general, it may be preferable to leave them undisturbed. ... clean area on which to install the patch and tie it into the existing roof membrane. 2. If the ...

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QUALITY CONTROL SPF ROOFING - spray foam

QUALITY CONTROL SPF ROOFING AN INDEPENDENT INSPECTOR’S PERSPECTIVE The comments and opinions in this presentation do not necessarily represent or reflect those of SPFA.

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Ask me anything about spray foam insulation - Page 15 ...

 · A. Remove all of the existing insulation and spray a layer of foam to do both the insulation and the vapour/air barrier. B. Remove all of the existing insulation and spray enough foam for the vapour/air barrier and use a 'batt' style product to fill in the rest.

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Icynene-Lapolla Expands Lapolla Product Line Availability ...

As part of the effort, a suite of Lapolla’s standout spray polyurethane foam insulation, roofing and coating solutions will be made readily available to Canadian customers. “Canada is a key market for us,” said Doug Kramer, president of Icynene-Lapolla.

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Thread: Roof Cooling? - CR4 - Engineering Forum

 · Foam roofing systems can be applied rapidly, with little or no disruption to the facilities. In most reroofing situations there is not even a need to remove the existing roof. Spray Polyurethane Foam has been used as a roofing and insulation material for over 40 years.

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Insulating and Heating a Pole Barn - Chronicle Forums

No advertising in the discussion forums. ... Insulating and Heating a Pole Barn Nov. 27, 2013, 12:23 AM ... There is a gallon tank by the stables for the heater. Indoor arena 60x140 attached to stables, no heat. Roof is spray-foam insulated to prevent condensation though. Comment. Post Cancel. Tiffani B ...

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Do all vents need to be covered for spray foam insulation ...

The gable vents and roof vents were still there but I have no idea if they were covered or sealed on the inside. Also the foam was soft so I figured it was open cell and I did not know if I should be concerned with it being on the roof and this is NY as opposed to closed cell.

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Spray Foam Roof Installation | Insulated Roof Contractors

The Achilles heel of spray foam is the sun. UV rays eat up the foam and cause it to deteriorate rather rapidly. However, the application of an acrylic or silicone roof coating protects the foam from the sun and extends the life of the foam significantly compared to exposed foam.

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Vaulted Ceiling - Insulating & Removal Of Ceiling Joists ...

 · My initial idea is to sister additional 2x6 material directly onto the face of the existing rafters by using 12" strips of plywood on both sides and going thru both 2x6's from the front with 8 inch decking bolts. ... I have long lurked on this message board and have finally decided to post. ... of $1.00 per board foot that both professional ...

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Slate Roof Central Message Board: Spray foam insulation on ...

2x2" squares of insulation glued to the underside of the roof deck spaced about two feet apart. Then, two layers of the 2" sheet foam glued to the spacers and then the edges and ends sealed with spray foam. See option 1 in schematic below. Note: One of the rooms already has spray foam in the angled portion of the second floor roof and in its walls.

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Spray foam insulation | GeoExchange® Forum

 · Spray foam insulation. Discussion in 'Quotes and Proposals' started by woodbutcher, . ... I got 3 or 4 quotes for spray foam when we were building our house. All wanted to insulate the underside of the roof. I was thick headed and asked to have the ceiling insulated.

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