"You say that 2" of closed cell foam is applied OVER the roof deck. Where exactly was the foam applied? Is this a flat/low slope roof? If its to the underside of the roof deck? You mention ventilation. How about the…"
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Jerry Needham
- Geneva, IL
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Jerry Needham's Discussions
Closed cell on roof deck to prevent mold.
Started this discussion. Last reply by Scott Partlo yesterday. 3 Replies 0 Likes
I am working with an insulation company who has already applied 2" of closed cell foam over the deck of a roof deck that has been remediated for mold twice. It was thought by spraying the foam, there…Continue
Jerry Needham's Page
Latest Activity
Donald Hester replied to Jerry Needham's discussion Closed cell on roof deck to prevent mold."For the roof shingle issue that is an unfortunate issue with many home inspectors that have been given improper information. Shingle color actually has a greater effect than non-ventilation. There will be some shingle degradation but it will be…"
Sean Lintow Sr replied to Jerry Needham's discussion Closed cell on roof deck to prevent mold."Way to much information is missing to even say something definitive but I can say that yes it can shorten the life of the roof... by about two weeks (shingles) http://thehtrc.com/2011/what-is-a-hot-roof
As for mold, the iso or is it exothermic…"
Jerry Needham posted a discussionClosed cell on roof deck to prevent mold.
I am working with an insulation company who has already applied 2" of closed cell foam over the deck of a roof deck that has been remediated for mold twice. It was thought by spraying the foam, there would be no chance of the mold coming back. This is a million dollar home in the Chicagoland area and homeowner is trying to sell the home but a private home inspector says the foam will shorten the life of the roof and he has scared off perspective buyers with his talk. I have told the…See More
William H Nickerson commented on Jerry Needham's blog post Spray foam on attic deck to stop mold"In Chicago you have the headquarters for Passive House US. You should reach out to them and ask if they know of anyone willing to run a WUFI software case file on your conditions. This is what that software was designed for. It could be a win for…"
Brad Cook commented on Jerry Needham's blog post Spray foam on attic deck to stop mold"molds needs oxygen, moisture, food and heat (above roughly 40 degF). The SPF will essentially remove O2.
If the SPF was applied to the interior of the roof deck, the 2" would be a vapor barrier. If it was applied to the exterior, you could have…"
Jerry Needham posted a blog postSpray foam on attic deck to stop mold
I am working with an insulation company who has already applied 2" of closed cell foam over the deck of a roof deck that has been remediated for mold twice. It was thought by spraying the foam, there would be no chance of the mold coming back. This is a million dollar home in the Chicagoland area and homeowner is trying to sell the home but a private home inspector says the foam will shorten the life of the roof and he has scared off perspective buyers with his talk. I have told the…See More
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Jerry Needham's Blog
Spray foam on attic deck to stop mold
Posted on April 7, 2018 at 8:57pm 2 Comments 0 Likes
I am working with an insulation company who has already applied 2" of closed cell foam over the deck of a roof deck that has been remediated for mold twice. It was thought by spraying the foam, there would be no chance of the mold coming back. This is a million dollar home in the Chicagoland area and homeowner is trying to sell the home but a private home inspector says the foam will shorten the life of the roof and he has scared off perspective buyers with his talk. I have told the…
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Forum Discussions
Closed cell on roof deck to prevent mold.
Started by Jerry Needham in General Forum. Last reply by Scott Partlo yesterday. 3 Replies 0 Likes
Are Energy Efficient Windows worth the investment?
Started by Tom Smith in General Forum. Last reply by ayazfudugo1 yesterday. 4 Replies 0 Likes
ACCA: Call for Volunteers to Aid the Development of a New Design Manual for Low-Load Homes
Started by John C. Semmelhack in General Forum. Last reply by David Butler on Monday. 1 Reply 0 Likes
Humidity control in tight home
Started by Steve Eberly in HVAC. Last reply by Brad Cook on Sunday. 12 Replies 1 Like
Case Study: Price Premium HPH vs Built-to-Code New Construction
Started by Craig Foley, REALTOR, LEED GA in General Forum Apr 12. 0 Replies 1 Like
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Brett Little posted eventsGeothermal Heating, Cooling, and Hot Water Systems for LEED and Zero Energy Home Free CE Webinar
April 25, 2018 from 12pm to 1:15pmIs your client's house making them sick? - Free CE Webinar
May 2, 2018 from 12pm to 1:15pm
Ben Thompson replied to Stuart Perkin's discussion TrueFlow in the group Energy Auditing Equipment for Sale, Trade or to Purchase"Hi Stephen.
Do you still have a Trueflow that you would sell?
Ben Thompson,…"
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I have a Minneapolis blower door set-up that I would like to sell. It's in…"
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Scott Partlo replied to Jerry Needham's discussion Closed cell on roof deck to prevent mold."You say that 2" of closed cell foam is applied OVER the roof deck. Where exactly was the…"
ayazfudugo1 replied to Tom Smith's discussion Are Energy Efficient Windows worth the investment?"For both new and existing homes, Energy efficient windows are an important consideration
Heat…"
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Building Performance Institute (BPI)
BPI is the nation's premier standards development, quality assurance and credentialing organization…See More
Donald Hester replied to Jerry Needham's discussion Closed cell on roof deck to prevent mold."For the roof shingle issue that is an unfortunate issue with many home inspectors that have been…"
tedkidd replied to Quinn Korzeniecki's discussion BPI CEO Larry Zarker's Review of "The Home Comfort Book" in Healthy Indoors Magazine in the group Building Performance Institute (BPI)"...free chapters of book available here - http://bit.ly/HPchapterlist"
tedkidd liked Quinn Korzeniecki's discussion BPI CEO Larry Zarker's Review of "The Home Comfort Book" in Healthy Indoors Magazine
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How does the Foam Kit stack up to the Spray Sealants Gun when it comes to simplicity? When you integrate the Spray Sealants Gun to a 16lb Canister, you creat...
Scott Becnel added a discussion to the group Energy Auditing Equipment for Sale, Trade or to PurchaseBrand new DucTester at a discount
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Discuss the pros and cons of the equipment you are interested in prior to purchase. Post equipment…See More
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