As the last photo above shows, it had pulled away significantly from the studs and rafters, and it was all over the house. This means that all venting (soffit, ridge, gable or any other venting) must be removed or completely covered. 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". I agree with you that foam is a great product. Best,  Jamie. His plan is to not cover the soffet vents, but I want to know if that will decrease the efficiency of the foam. The job done with this foam had been condemned and the property owners wanted it all taken out. The health and safety of our licensed spray foam contractors is as equally important as the health and safety of our customers. He said he would check the batch numbers and let us know. It's been an on going nightmare. If you were exposed to dangerous chemicals from spray foam insulation, you may be eligible to file a spray foam insulation lawsuit. Stop! Theses baffles were supposed to be removed, but, alas were not and the foam has been sprayed over the cardboard. What's not guaranteed, however, is that all spray foam homes will be efficient and comfortable. 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'm getting so much condensation on frames that it seeping into the sheet rock around the edges and it pooling on the window sill, dripping onto the carpet. Thank you, Allison. The areas that I thought were good are now separating from the structural members leaving voids. What about the quality of the canned sprayfoam around the perimeter? The wife wants to fill the crawl space with foam, and yes I mean FILL. He tells me this is normal and that I need to put towels down to soak up water and deal with it. I'm not condemning spray foam at all, and, in fact, I've defended the use of closed cell spray foam and extruded polystyrene foam board insulation in this blog. I am a Insulating contractor and spray both foams. Yes, you're right that all of the problems mentioned above are related to the installer. Where as with Icynene spray foam insulation installed , you will notice a difference in your health. When I arrived, they took me to the master suite, where two towels were on the floor - to catch the rain falling off of the supply registers in the ceiling! He said that sometimes just letting the hose idle for a while causes the foam to overheat and pull away like that. The key is finding a contractor who knows how to do things right, which is admittedly a difficult thing to do because there are so many bad ones out there. justin: See also Martin Holladay's article on cut-and-cobble insulation. the other thing is it is pier and beam. I did this partly because it's worthy of an article all by itself, but mainly I didn't include it because, despite all the warnings the two sides issue about the other, I've never personally seen a problem caused by using open cell where they should've used closed cell or vice versa. Several builders are cautious about using foam insulation and/or a closed attic. One recent post has attracted a lot of commentary: Good article. Are there any considerations we should know about? 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. I will most likely be doing my 2x4 exterior walls on the second floor from outside, upgrading the siding, replacing the backerboard with osb, so should I leave the old vapour barrier there, should I leave a gap btwn foam and inside drywall or a gap btwn foam and osb on outside. Available in 34 countries in the world and Evergreen Power is one of the trusted and accredited contractors of this Canadian manufacturer in the United Kingdom. ( … If there is one thing I’ve learned, it’s this: Homeowners are concerned about the lingering spray foam … stop by I still have some that has not been replaced. Allison, I would like to add one item to your list - make sure you use the right foam for the right area. Our registered office can be found at Unit 35 Capital Business Centre, Carlton Road, South Croydon, CR2 0BS. I got the name/number of the guy from her who managed her attic project, but between the time he did my house and the time he did her house, he was let go from the company who did her attic and hired by another company. Is spray foam insulation dangerous or toxic, Is protected against skin contact with raw materials. They have yet to provide me with this warranty. Don't assume that just because a home is insulated with spray foam that it's automatically a winner. Allison, I was a student at southface last august when you were teaching with mike. Do we have any options for finding out the information ourselves? I inspected the entire crawl space of the house and noticed approximately (5) areas that were seperating and a couple areas where the foam didn't adhere to the block. Ever wondered why your Evergreen Power Icynene spray foam contractor is dressed in a suit that can be referred to a ‘hazmat’ suit? The safety of all our customers is our top priority, therefore we have put various measures in place to ensure all the government guidelines are adhered to. When it comes to the safety and toxicity of foam spray insulation, the real issue behind this all is Isocyanates. It has also been approved by the Energy Saving Trust, as a 100% water blown product, containing no HCFC or harmful chemicals. Foam insulation is a great product. Sean, thanks for jumping in and answering John's questions. © Evergreen Power UK 2017. In a properly insulated spray foam attic, the temperature won't be much higher than the house temperature. Does my home qualify for Icynene Spray Foam Insulation? He covers this technique, and there's a lot more info in the comments. The #1 Question to Ask before Putting Spray Foam in Your Attic. 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. 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. I have closed cell spray insulation sprayed on my attic roof, soffits for a closed system. I'm sure things like that happen; I just haven't seen it yet. *Please note: The information in this section has been stated directly by the manufacturer, you can find the resource here. Evergreen Power is a licensed and accredited Icynene contractor in the UK. Homes insulated with it can be some of the most efficient and comfortable homes built. At Evergreen Power, we provide premium Icynene spray foam roof insulation problems services available at the most affordable prices. Yes, these are mainly installer issues, but as I said to Dennis, you can't separate spray foam insulation from its installation. What does that mean? What do you think? 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