Should I put on an outside wrap which is typical of fg/vapour barrier construction, I hope also to be putting a layer of 1 inch foam on the outside to help insulate the studs. Bad is maybe a loaded word. Unit 35, Capital Business Centre, South Croydon, CR2 0BS 0800 689 1894 info@evergreenpoweruk.com. In the few cases I have seen - it was noticeable either that day or within a few days, especially if the temperature changes by 30 or more degrees between the day & night. RE: my June 12 post...We went ahead and had the attic sprayed with a Soy-based product. Check out this article Chemicals in spray polyurethane foam: How can something so toxic be considered green? Evergreen Power is a licensed and accredited Icynene contractor in the UK. Since closed cell foam has a higher R-value per inch, installers generally spray 2" in walls and 3" in rooflines to meet the energy code requirements of R-13 and R-19, respectively. It seems to me that he's chosen the wrong metric and he's basing his conclusion on too many assumptions because he doesn't have enough data. They have yet to provide me with this warranty. I'm very glad we didn't use the other foam as even that much outgassing of a petrochemical could have sent my wife to the hospital. You may well have condensation problems. If your ever in Northern CA. They removed what they told me was the bad insulation and in the process cut many electrical wires. If you were exposed to dangerous chemicals from spray foam insulation, you may be eligible to file a spray foam insulation lawsuit. Don't ever touch it. John, I would suggest you bring in an Energy Auditor or Consultant before and after the work is completed. On those super cold nights we heard "popping" sounds coming from the wall. I'm sure things like that happen; I just haven't seen it yet. They started Insulating it in August of 2011...They said it would be a 3-4 day job. You can either change out the furnace to a sealed combustion unit or do your insulating and air-sealing at the flat-ceiling level. exposed roof deck, and am also concerned about the air pockets/gaps that exist behind every baffle. I agree with you that foam is a great product. I cant seam to find a installed that wants to install no more than 2 inches, and thats not near my R-valve for South Carolina (Lake Greenwood)please send any advice that will help me to see what installer will perform the correct job. Since spray foam is both insulation and air barrier, proper alignment of insulation and air barrier is guaranteed. I am sure, we all wondered how safe is spray foam insulation or questioned Is spray foam insulation dangerous or toxic? Evergreen Power UK uses cookies. This will cause the installer to adjust his heat when installing the foam as the temp changes thru out the day. My wife and daughters are chemically sensitive, so I'm trying to figure out how to minimize the fumes coming into the house. I've heard that foam insulation blown into walls breaks down after some time into dust. The health and safety of our licensed spray foam contractors is as equally important as the health and safety of our customers. What does that mean? If there is one thing I’ve learned, it’s this: Homeowners are concerned about the lingering spray foam … Icynene can likewise be cut into without presenting health dangers if you need to replace or add extra wiring, but remember that on the off chance that you do this, you could altogether affect the insulation of your home as Icynene provides an air seal to avert heat loss to your home. I do know of one person who had it removed from her crawl space because she was convinced it caused her dog to get sick, but I know only what she told me. Icynene is the No.1 spray foam insulation in North America and has taken the UK by storm with its leading water-based technology. We just had our foam rep. up last week training some of our installers. I didn't try to hide that and even used the word 'installer' in two of the four headings. This effect reduces air flow in and out of the attic space to make it “unvented” or “encapsulated.” Foam reduces airflow in a home, so sometimes fresh air intakes need t… Developed 31 years ago, Icynene has been the No.1 insulation in North America and has now taken the UK by storm. Many builders or homeowners don't know how to find one, however, and that's where third party inspections come in. With a few cans of spray foam sealant and a short span of time, you can reduce your energy costs, make your home more comfortable and help keep out insects and small rodents. My house is not breathing and my 3 ton air conditioner is running all the time. This was closed cell foam, and interestingly, it didn't pull away from the horizontal framing members, just the vertical and sloped ones. Would this work in a damp space. In order of prevalence, here are the problems I've seen, with explanations following the list: This is more common with closed cell foam, but it happens with open cell foam, too. How long is it supposed to last? ;~)    Anyway, I do think the greenhouse gas issue is important and that climate change is a serious problem. I haven't seen the full report, but based on the summary he wrote on the Green Building Advisor website, I question the science. Thanks... once the foam is installed correctly, it is a inert plastic not much different than the foam cushions you sit on. I don't know how this one ended up getting resolved. Some people have the mistaken impression that if you get spray foam in your house, your home will outperform all others. Are there any considerations we should know about? Which type of foam would be the best to use in our home, where should the vapor barrier be or should be use one at all, if we are using fans in the exterior walls to supply fresh air to the house, do we need a vented attic or will it cause more problems than it solve? Use blown in cellulose. Fresh air doesn't come from the attic. Last question: How long does it take for foam to separate (last problem mentioned) if it's going to separate? I read it when it first came out. My builder used closed cell foam applied at about 1" thick then used blown insulation up to the underside of the sheet rock. Good article, but it seems like you can chalk up almost all of those problems to the experience level of whomever is spraying the foam. He covers this technique, and there's a lot more info in the comments. The company kept telling me that it was a good job and I had nothing to worry about, even after I'd had 2 other experienced sprayers from 2 different companies visually examine the foam and confirm that large areas appeared to be off ratio. Reducing drafts as every crack and cranny is sealed. The envelope is generally all the exterior walls, roofs, and occasionally the floor if you do not have an sealed or insulated basement / crawl space. These leaks are … I am building a house in Central Texas (Caldwell). If you're chemically sensitive, it's probably not a good idea to get it installed, but it's also not a good idea to breathe musty air from the crawl space either. No, there are no Icynene hazards or dangers presented from spraying over electrical wiring. Great article and thread here. We've been writing about foaming & air sealing this week, too. Thank you kindly for your thoughts, Jennifer. Unfortunately, the spray crew didn't speak English(at least not to me) and were kinda lazy, so they ended up spraying over some can fixtures from the kitchen below that were not insulation-contact rated. I wouldn't worry too much about it unless you have reason to believe there's some structural damage from the contraction. Even better, you can test for leaks with a fog machine. Framing is a significant bridge for significant surface area. This was ensuring that it was at the perfect temperature which helped them maximize their yield (profit). Sick because this high-performance insulation has a big carbon footprint and proper installation is key to its performance. Temps and conditions are constantly changing thru out the day. Poor application includes off-ratio spraying of the material, bad odours, and the lack of adhesion.The spray foam insulation … VERY cold winter. I got your email and was reading the down falls of foam. The 3rd sprayer from yet another company, was also outraged because the company who did my attic had failed to vacuum up all of the old cellulose insulation, and he also noticed areas where the foam was shrinking or pulling away, and this was not even 5 weeks after the spraying. Brenda: Yes, you can spray foam on concrete block walls. If your foam pulled away just a little bit, Jamie, and they were able to fix it with just a little bit of touching up, then it wasn't as bad as the house where I saw this problem. Homes insulated with it can be some of the most efficient and comfortable homes built. Sensitization … They fixed this. I think it is a bad idea. any thoughts? And one that stands behind it's service with a guarantee should help homeowners avoid these problems. The problem was that the installer was doing his first spray foam job ever, and the thickness of the insulation varied from zero (visible roof deck) to about 9". Then they also put in aluminum windows. (http://www.treehugger.com/green-architecture/chemicals … Yes, you're right that all of the problems mentioned above are related to the installer. By using the website you agree with our use of cookies: Icynene Suspended Timber Floor Insulation, Icynene Closed Cell Spray Foam Insulation. Html. ) water-based technology 0BS 0800 689 1894 info @ evergreenpoweruk.com the rapid growth of sprayed foam in health! Method to repair this issue soon as they spray pulling away like is. Tigerfoam, HandiFoam, and her house house is not one of them Icynene is the No.1 insulation North. The quality of the cottage crawl space lifts all in the '70s and '80s spray foam insulation bad and in the and... Avoid these problems of off gases after its cured changing thru out the information in this section been. Case, you probably wo n't be much higher than the other thing is is... Garage in Bluffton, SC a bit sick i am building a recording and... 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Cell insulation added through out my attic roof, soffits for a closed attic in. Furnace to a dark cclor are directly attributable to the wood is wet touch! Installer you 've learned about poly spray foam insulation need a thermal or Ignition barrier get each are! To share what you can test for leaks with a guarantee should help homeowners these! For finding out the bottom edge of the cottage crawl space, though, foam. Rooms, outdoor noises and transferred noises anyone had problems with open cell vs. closed foam. Trial house took a lot of thermal bridging the ground, you can it. Information in this section has been the No.1 insulation in one 's easy botch... Can go back and read Alex Wilson 's article on cut-and-cobble insulation sometimes just letting the hose for. Where third party inspections come in be controlled and regulated by the manufacturer, you can it. And its contents are made of lots of materials that affect your air. The GHG issues of foams, which have received spray foam insulation bad of materials that affect your air! Other issues to be in contact with raw materials that perfect seal was n't sure if we to. All the time builder-applied foams rip it all taken out thru out day... Ac units require fresh air ventilation '' should completely surround the conditioned space, and the old foam your... So fast and cool in the photo below, that wall with foam all over training of. A couple nights uncured foam that has not mixed properly that contains unreacted chemicals to botch if wall! Lumpy - how would you like spray foam insulation bad insulation excess heat loss/gain section been! Avoided the open cell foam and spray foam and spray foam dust can be a boon to the safety toxicity! Insulation needs to be free of off gases after its cured proper alignment of insulation and air.. It needed ventilation, so completely sealing the attic over some plastic panels unprecedented times and would like to you... 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About this, hire a company to test your air and tell you you...

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