I employed a company to insulate my three story house in 2011. They started Insulating it in August of 2011...They said it would be a 3-4 day job. They installed it in 0.5"-8" lifts all in the same cavity, this left burned insulation and voids. They removed what they told me was the bad insulation and in the process cut many electrical wires. They fixed this. They then reinstalled too thick again in some spots and removed again. They then installed it for a 3rd time. The areas that I thought were good are now separating from the structural members leaving voids. As of October 2012, 1 year and 2 months of dealing with the contractor I told them I want proof that what has been installed carries a warranty or I want my money back and I will fix the problems myself. They have yet to provide me with this warranty. I have spent many hours in the house looking at what is bad and they need to fix. I am frustrated, 14 months of additional rent due to their negligence. I would like to know how I can get proof that the product carries the manufacturers lifetime warranty, or has it been installed improperly throughout the entire house. Desperately awaiting your response.  Spray Coating Services
I employed a company to insulate my three story house in 2011. They started Insulating it in August of 2011...They said it would be a 3-4 day job. They installed it in 0.5"-8" lifts all in the same cavity, this left burned insulation and voids. They removed what they told me was the bad insulation and in the process cut many electrical wires. They fixed this. They then reinstalled too thick again in some spots and removed again. They then installed it for a 3rd time. The areas that I thought were good are now separating from the structural members leaving voids. As of October 2012, 1 year and 2 months of dealing with the contractor I told them I want proof that what has been installed carries a warranty or I want my money back and I will fix the problems myself. They have yet to provide me with this warranty. I have spent many hours in the house looking at what is bad and they need to fix. I am frustrated, 14 months of additional rent due to their negligence. I would like to know how I can get proof that the product carries the manufacturers lifetime warranty, or has it been installed improperly throughout the entire house. Desperately awaiting your response.  Spray Coating Services
Sean, thanks for jumping in and answering John's questions. About choosing the right foam, I intentionally avoided the open cell vs. closed cell foam debate. 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. I'm sure things like that happen; I just haven't seen it yet. Coating Services
These operate connected to a high pressure pump commonly found using 300 to 7,500 pounds per square inch (2,100–51,700 kPa) pressure to atomize the coating, using different tip sizes to achieve desired atomization and spray pattern size. This type of system is used by contract painters to paint heavy duty industrial, chemical and marine coatings and linings. Coating Services
Surface Preparation (Residential & Commercial): Pressure wash when possible using pure water. Be sure the surface is clean and completely dry before the application of the coating. Read all label instructions before beginning. Surface must be in savable condition, clean and dry, and should have proper drainage. Always run a test patch first in an inconspicuous area, to ensure that proper adhesion and drying occurs and the product works to your satisfaction. Apply Ames® Peel & Stick™ adhesive seam tape and tape on all badly deteriorated fasteners, rubber washers, joints, seams and around vents. Do not use any soaps or detergents to clean the surface. Spray Coating Services
This is in great contrast to my friend's experience. Her attic spaces were sprayed and the foam is actually pretty, and I was in her attic 6-7 days after it was sprayed and could hardly smell anything when I stuck my face up to the foam. And she did not have to clean up one speck of dust during or after the spraying. 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. He assured me everything would be the same, etc., etc., and I had no reason to believe anything had changed, but the sprayers who did my house later admitted they had never sprayed an attic before and I also found out that the foam used in my attic was from a different manufacturer. Neither my friend nor I had any idea this guy was with different company then, until the week after they filled my attic with off ratio foam, and my home with toxic vapors.   Coating Services

Allison--would be very interested in your take on the GHG issues of foams, which have received lots of smart commentary recently. To highlight a few: architect Jesse Thompson's comments on Tom's Good vs Bad post on Energy Circle, the very thorough piece by Alex Wilson on Green Building Advisor and Michael Anschel's cautionary diatribe on Remodeling. 


One of the most common applications we handle is the production of custom pressure sensitive adhesive tapes. We also process specialty coatings with job-specific characteristics, such as anti-fog coatings, laminating tapes, fabric appliques, and more. Custom coating formulations are also available to meet the unique requirements of virtually any application.

I've seen this only once, and it was with closed cell foam, but I've heard of it happening with open cell foam, too. I don't know the details, but I've heard it could result from a bad batch of chemicals, improper mixing, or too high a temperature. Whatever the cause, it's not a good thing. The photo below shows how the spray foam pulled away from the studs. A little bit of uninsulated area like that adds up to a lot of heat loss/gain when the whole house has that problem, as it did here.
The problem you saw with the closed cell foam pulling away like that is due to the heat of the foam was to hot. It was actually curing out and making foam before it could adhere to the wood. The installer wasn't reading his foam correctly. He should of stopped and turned down the heat on his hose temp. Also installers have to be aware that as the sun rises and the temp in attics rises the subtrates get hotter as well. This will cause the installer to adjust his heat when installing the foam as the temp changes thru out the day.  

Jennifer, I'm not an expert on the health effects of closed cell foam. A lot of people live in houses with closed cell foam and have no health problems from it, at least not short-term, acute problems. 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.   Spray Coating
The atomization of molten materials produces a large amount of dust and fumes made up of very fine particles (ca. 80–95% of the particles by number <100 nm).[8] Proper extraction facilities are vital, not only for personal safety, but to minimize entrapment of re-frozen particles in the sprayed coatings. The use of respirators, fitted with suitable filters, is strongly recommended, where equipment cannot be isolated.[8] Certain materials offer specific known hazards:[6] Insulation Spray Coating
Ignition barriers include six permissible materials. An ignition barrier can be 1/4-inch plywood or structural panels, 1 1/2-inch mineral fiber insulation, 1/4 inch hardboard, corrosion resistant steel at least .016 inches thick, 3/8-inch gypsum board, or 3/8- inch particle board. These sizes are the minimum; code officials will approve of thicker versions of any of these six materials as ignition barriers. Like thermal barriers, equivalent materials that have been shown to have equivalent fire resistance are acceptable. Additionally, an alternate assembly can be used if the assembly has been tested by a laboratory and meets certain criteria.
Introducing Mothers CMX Ceramic Spray Coating, an affordable, user-friendly, professional grade, ultra-durable, super-hydrophobic protection formula. Just spray on and wipe off, with this game-changing SiO2 (Silicon Dioxide) and TiO2 (Titanium Dioxide) blend. This powerhouse combo provides ultra long-term protection from the elements and relentless water beading, without sacrificing true optical clarity, extreme depth and that signature ceramic glass-like liquid-gloss appearance. Use as a stand-alone product, or as a booster over your existing sealant or ceramic coating. Washing and caring for your vehicle has never been easier. Cures in 24 hours (do not get vehicle wet during curing period). Coating Services
Thank you, Allison. We have a split system unit (actually 5) with the heat being propane. The foam guy said that it needed ventilation, so completely sealing the attic wouldn't be a good idea. It sounds like you are saying that the systems need to be vented out of the attic or replaced with some type of closed system. But I shouldn't bother spraying if the plan is to leave the soffet vents open. Is that correct?
Sean, thanks for jumping in and answering John's questions. About choosing the right foam, I intentionally avoided the open cell vs. closed cell foam debate. 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. I'm sure things like that happen; I just haven't seen it yet. Coating Services
Combustion spraying guns use oxygen and fuel gases. The fuel gases are potentially explosive. In particular, acetylene may only be used under approved conditions. Oxygen, while not explosive, will sustain combustion, and many materials will spontaneously ignite, if excessive oxygen levels are present. Care must be taken to avoid leakage, and to isolate oxygen and fuel gas supplies, when not in use.[6]
Simple – we’ve seen experienced contractors work with the separate nitrogen tanks and spray foam rigs and have one heck of a time. These spray foam insulation kits are quick to learn and simple to use. They’re designed to be easy so you get results the very first time you spray. Thorough Instructions, 24/7 Product Support, and videos make it easy to install. Spray Coating
FIRESHELL® (F10E) is a proprietary non-flammable, intumescing (expands up to 2000%) interior coating that provides oxygen starvation to fire. It is a non-toxic, water based, drain safe, no fuming GREEN product. FIRESHELL® passes full scale room corner over foam, NFPA 286 and E84 class A certified. Meets requirements for 15 minute thermal barrier. It is a water-based one part coating system that comes white but can be tinted different colors. This coating can be top-coated with either latex or oil based coating.
Whether you work on frame-up restorations in your garage, or projects like refinishing wheels, interior upgrades or maintaining the appearance of your everyday ride, Dupli-Color wants to be there with you. We have a heritage of providing only the best in automotive products since 1938, when we first started selling touch-up paint. This marked the beginning of “innovative firsts” which continues today with the automotive aftermarket’s largest array of DIY paints, primers and coatings. Spray Coating Services
I applied CMX on my wife's car and my car and had odd results. See pic. I ended up with little white beads that formed when I sprayed CMX on car, wiped it to a haze, but not completely off. After about 2 minutes I then began to wipe CMX until the haze was gone. However, oddly, after letting the product dry (but not yet wiping completely off) it began to form white little beads (possibly residual). What a pain as these beads landed in all the window crevices, etc. It's like when you have a bad wax that leaves dust. I had to use a can of compressed air to wipe the bead out of the crevices. I was thinking that allowing it to haze would allow CMX to bond to the paint better. After getting the beads cleaned up I tested again and spray CMX on, then wiped completely dry. No beads. Coating Services
Independent reviews at Site Jabber. Site Jabber is the leading community of online business reviewers. The community helps consumers find great online business and avoid scams. The community has grown to over 850,000 members and has reviewed over 58,000 online businesses. Site Jabber was developed in part with a grant from the National Science Foundation. Spray Coating Services
Fiberglass is also rated in terms of thickness. “Six inches of fiberglass insulation might get an R-19 rating,” says Pritchett, “but how many builders will cram that six inches of insulation into four inches of stud wall? That R-19 rating doesn’t account for compression of the product.” SuperTherm achieves an R-19 rating with one coat applied, and a rating of R-28.5 when the surface is coated on the exterior and interior.
In the case you have above the installer wasn't reading his foam. They must be trained to do that as they spray. Temps and conditions are constantly changing thru out the day. Either he wasn't properly trained or if he was,he wasn't doing his job! This is a serious problem with people jumping in to the foam business. A lot of homeowners and builders are looking the best price and end up with someone who doesn't know what they are doing. Hope this info helps. Foam insulation is a great product. It just has to be done right by someone who knows what they are doing.
Charles: That photo is closed-cell SPF, and it's not sprayed perfectly uniformly. As long as it has the minimum thickness required (3" on a ceiling here in the Atlanta area), it should be fine. I've discussed some problems with SPF installations in the articles listed in the Related Articles section above. This photo is from about 10 years ago, though, and has no ignition barrier.  

We have a 22 year old home located in southeastern georgia where the humidity is very high. In the past 2 weeks our floors have started buckling all over. We have a vented crawl space and the old insulation is drooping from moisture and the wood is wet. We are debating between the "encapulation" method or the spray foam method to repair this issue. Which would you recommend?
Another type of thermal barrier that can be used instead of prescriptive or approved equivalents is a barrier that has been tested as an alternate assembly. Alternate assembly methods are used to get approval for various types of intumescent coatings. In order for alternate assembly products to meet code, they must be installed and used in the exact same way that the alternate assembly was tested in the laboratory.
Spray foam is available in two different types: open-cell spray foam which is usually $0.44 to $0.65 per board foot and closed-cell spray foam which is about $1 to $1.50 per board foot. The average cost to have spray foam professionally installed is about $2,347. This number can vary depending on whether the home being insulated is newly constructed. However, finished homes are not a good candidate for spray foam insulation but great for weatherization or an energy audit.  
A rule of thumb puts two thirds of the coating on the substrate and one third in the air. True HVLP guns use 8–20 cfm (13.6–34 m3/h), and an industrial compressor with a minimum of 5 horsepower (3.7 kW) output is required. HVLP spray systems are used in the automotive, decorative, marine, architectural coating, furniture finishing, scenic painting, and cosmetic industries. Spray Coating
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