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? Insulation Spray Coating
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.

This is more common with closed cell foam, but it happens with open cell foam, too. 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. (I'm not going to dive into the energy code here, but these numbers apply to many climate zones, the latter being allowed under the UA tradeoffs rule. See the Energy Nerd's blog on this topic if you want to argue.)


Since our founding in 1973, Dal-Bac Manufacturing Co., Inc. has grown and expanded to become one of the premier providers of coating services to customers in a diverse range of industries. We are capable of applying both solvent and water-borne coatings to a wide variety of substrates, including fabrics, films, foams, and papers. Our capabilities include both knife-over-roll and Meyer rod coating methods for roll goods up to 61” in width. With our custom built equipment, we process materials accurately and cost-effectively. Coating Services
Hydraulic and air-powered airless pumps have linear motors that require a hydraulic pump or an air compressor, which can be electric or gasoline powered, although an air compressor is usually diesel powered for mobile use or electric for fixed installations. Some airless units have the hydraulic pump and its motor, built onto the same chassis as the paint pump. Spray Coating
Due to a wide range of nozzle shapes and sizes, the consistency of the paint can be varied. The shape of the workpiece and the desired paint consistency and pattern are important factors when choosing a nozzle. The three most common nozzles are the full cone, hollow cone, and flat stream.[6] There are two types of air-gun spraying processes. In a manual operation method the air-gun sprayer is held by a skilled operator, about 6 to 10 inches (15–25 cm) from the object, and moved back and forth over the surface, each stroke overlapping the previous to ensure a continuous coat.[7] In an automatic process the gun head is attached to a mounting block and delivers the stream of paint from that position. The object being painted is usually placed on rollers or a turntable to ensure overall equal coverage of all sides. Coating Services
I guess I'm saying all of these products are good, they will complement the work you do on your car if you're willing to put the time into it. And it will make it easier to maintain the next time you wash your car. If you don't clay and polish your car, don't expect super slick results. If you put the work into it, when you spray the car down with water, use a soap wash, rinseless wash, it will still shiny after you put any product on it! Don't get caught up in the SIO2 hype, just spend what you're willing to pay for the product. You'll be happy with any product. Coating Services
Proper recordkeeping: One of the basic tenets of risk control is maintenance of updated health records of personnel handling spray paint products. Confidential data on biological monitoring[12] results must be appropriately kept.[13] Records of the schedule and result of testing procedures should also be kept. Some of the most important tests to be conducted on a regular basis are air quality testing, testing of pressure systems and electrical systems, and testing of compressor reservoir air filters.

Appropriate training for personnel who are responsible for conducting the painting procedures is important, which may be from a professional training provider or the product supplier. There are also hazards related to the disposal of wastes and materials that are contaminated with potentially harmful chemicals. Decontamination procedures and Material Safety Data Sheets for various products are important. Safety is improved through:
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". Unfortunately, good average thickness doesn't cut it. The coverage needs to be uniform because a lot of heat will go through the under-insulated areas. (See my article on flat or lumpy insulation performance.)

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.   Spray Coating Services
Car was washed with Carpro reset and wiped down with Griots garage paint prep to ensure a clean surface for first application of CMX. Week one CMX had a nice gloss with small tight beads after getting rained on (typical Si02 protection). Week two the beads were large and flat (low contact angle) so product was on it's way out. Week three the water was sheeting with no beading at all. That's complete failure in three weeks. Also I didn't like the white crystals that developed in the bottle. I'm concerned that if I used the product again that I'd mar my Audi's Mythos black paint. My car is parked outside driven only about 50 miles per week and is washed weekly with Megs gold class car wash. . Won't apply it again. Moving on....
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.  
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
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.
At Praxair Surface Technologies, it’s our goal to help you get more protection, more customization and more performance from your parts. To do that, we work with you to select or develop coatings based on your operating environment and production requirements. Then we combine advanced preparation services, the right application technology and post-coating operations to create optimal coating performance for any component. Spray Coating

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.   Insulation Spray Coating
By heating the full-bodied paint to 60-80 °C, it is possible to apply a thicker coat. Originally the paint was recirculated, but as this caused bodying up, the system was changed to direct heating on line. Hot spraying was also used with Airless and Electrostatic Airless to decrease bounce-back. Two pack materials usually had premix before tip systems using dual pumps. Insulation Spray Coating
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?
While intumescent coating can be used instead of an ignition barrier or thermal barrier in some cases, the coating itself is not technically either. It does prevent or slow fires, so it has been approved to be used in conjunction with spray foaminsulation as an alternate assembly. The fact that it qualifies as an alternate assembly means that it can be used instead of a thermal barrier or ignition barrier. Spray Coating Services
When you want to take any metal surface and make it more visually appealing, pay a visit to Xtreme Power Coating in Grand Prairie TX. Since 2003 we have provided powder coating services in Grand Prairie, TX that bring our customers’ furniture, iron fences and decorative metal pieces to life. Powder coat finishing transforms dull, worn out metal and gives it a bold, beautiful sheen that passersby won’t be able to help but notice. Prepare for compliments once your metal décor receives a powder coat finish make over. When it comes to powder coating in Grand Prairie, TX, no one else comes close to Xtreme Powder Coating.
I've had concerns with foam in walls with only 2-3" and the resulting air space & convective currents. spray foam for walls is not one of my recommendations to my clients. instead foam sheathing to exterior of walls caulked,taped & sealed. conventional insulation & air tight drywall approach. a better and affordable wall with no extremely long payback like spray foam in walls.  Insulation Spray Coating
The Rubberseal creates a coat that can efficiently reflect heat off the roofs of buildings. It is Energy Star rated, which means it’s friendly to the environment.The spread rate of this product is 60 square feet per gallon at 20 imperial mils. It dries in 2 hours but takes 72 hours to get fully cured. Check the weather forecast before you apply it.
I guess I'm saying all of these products are good, they will complement the work you do on your car if you're willing to put the time into it. And it will make it easier to maintain the next time you wash your car. If you don't clay and polish your car, don't expect super slick results. If you put the work into it, when you spray the car down with water, use a soap wash, rinseless wash, it will still shiny after you put any product on it! Don't get caught up in the SIO2 hype, just spend what you're willing to pay for the product. You'll be happy with any product.

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]


The standard prescriptive material that can be used as a thermal barrier is 1/2" gypsum board (a.k.a. drywall or sheetrock). Anything else has to be approved as an 'equivalent thermal barrier' by undergoing tests for temperature transmission and fire integrity. In some cases, however, you need only one test. According to the Spray Polyurethane Foam Alliance (SPFA), "Under specific conditions, the temperature transmission test can be waived if approved by building code authorities on the basis of large-scale fire testing representing actual uses." (See their pdf document, Thermal and Ignition Barriers For The SPF Industry.) Coating Services
once the foam is installed correctly, it is a inert plastic not much different than the foam cushions you sit on. there is not a health rick unless you have off ratio uncured foam that has not mixed properly. the foam is absolutely a health risk in its raw forms before it is mixed and cured. You should not be in the building without proper respirators and eye protection. The spray foam industry should be controlled and regulated by the same standards, testing and inspections that framing ,electrical and plumbing are. until that happens then you will have idiots with spray rigs ruining peoples homes and ruining the market for honest foam contractors that know how to price a job fairly and complete it correctly. Spray Coating Services
I applied the Gaco 100% Silicone Roof coating to a slightly-sloped, metal porch roof.  My leaks have stopped, and it looks like they are gone for good.  I followed the instructions, and it appears the product made a perfect bond to the roof.  What a terrific product!  I'm glad I made this purchase, and that I didn't settle for a cheap, metal coating from the local outlet store.

The process typically operates at 39–120 °C to avoid thermal damage. It can induce non-thermally activated surface reactions, causing surface changes which cannot occur with molecular chemistries at atmospheric pressure. Plasma processing is done in a controlled environment inside a sealed chamber at a medium vacuum, around 13–65 Pa. The gas or mixture of gases is energized by an electrical field from DC to microwave frequencies, typically 1–500 W at 50 V. The treated components are usually electrically isolated. The volatile plasma by-products are evacuated from the chamber by the vacuum pump, and if necessary can be neutralized in an exhaust scrubber. Spray Coating


These are robust production capabilities, which allow us to consistently and reliably meet a broad range of coating requirements. Our technical managers ensure the substrate and coating are compatible and are the best possible materials for the job. We engineer our process to deliver a uniform coating in a precise layer from .001” to .005” in thickness. Spray Coating
There is a significant price difference when it comes to using foam insulation to insulate a new versus older home. Spraying insulation inside a newly constructed home is easier because the installation company can ensure the insulation will work effectively and design it for optimum defense against sound, heat transfer and utility costs. Installing spray foam in older homes that contain existing insulation can cost additional time and money -- it is not usually recommended as compared to weatherization or an energy aduit.
As an ISO certified company, we have a robust quality management system to ensure that everything, from incoming raw materials to the final product, meets or exceeds customer requirements. We measure and inspect characteristics such as coating thickness, coating weight, residual solvents/water, and bond strength to ensure your products perform as expected. Agile and efficient, we can process most work within a two- to four-week timeframe and have the flexibility to manage rush orders for situations where time is a critical factor.

Most electric powered airless pumps have an electric motor connected through a gear train to the paint piston pump. Pressure is achieved by stopping and starting the motor via a pressure sensor (also called a transducer); in more advanced units, this is done by digital control in which the speed of the motor varies with the demand and the difference from the pressure set-point, resulting in a very good pressure control. Some direct drive piston pumps are driven by a gasoline engine with pressure control via an electric clutch. In electric diaphragm pumps, the motor drives a hydraulic piston pump that transmits the oil displaced by the piston, to move the diaphragm. Coating Services
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.  
With the increase in spray foaminsulation, many are wondering whether or not you should use a thermal or ignition barrier. Additionally, many are wondering if building codes require ignition or thermal barriers with spray foam insulation. The short answer is that you should use a thermal or ignition barrier, but the code may not necessarily require it. Building codes are often complicated, poorly written, poorly enforced, and up to interpretation by local code officials. This results in ambiguous requirements regarding spray foam insulation and fire protection. Spray Coating
 This stuff works perfectly! We'll see how long it holds up on my nicely prepped paint on my black 1996 Jeep Cherokee. I first hand washed it, then used Meguiars Clay Bar kit on it, then compounded it using Meguiars Ultimate Compound, then polished it using Meguiars polish, then used wax and grease remover to remove any oily residue from the previous steps, then applied the Mother's CMX using a microfiber foam hand applicator to spread one spray at a time evenly across the paint... Let it sit for a few minutes to bond with the paint surface, then used a really soft microfiber towel that came with my clay bar kit to buff off the dried powder residue to a perfect shine!! It wiped off very easily and then let it sit to cure for 24 hours without getting wet... It looks flawless on my fresh black paint! And water falls right off of it like all the other great brand ceramic coatings!! Highly recommend it especially for the price and the big bottle... This stuff has a very strong smell to it (must be good!), and is completely white like milk inside it if you unscrew the cap and have a look at it... I'm very satisfied, this was my first time ever using a ceramic coating before and it worked exactly how they claimed and advertised in their video Ads on FACEBOOK Coating Services
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Condensation - It can seem like a tropical rain forest inside an unprotected metal building. It's worse on those days where there is a greater contrast between temperatures at night vs. day. The morning sun hitting the cool sheeting will create a drip. A temperature difference between outside and inside your building creates condensation - Similar to what happens when you leave a cold can of beer outside on a hot day.  Insulation Spray Coating
When you want to take any metal surface and make it more visually appealing, pay a visit to Xtreme Power Coating in Grand Prairie TX. Since 2003 we have provided powder coating services in Grand Prairie, TX that bring our customers’ furniture, iron fences and decorative metal pieces to life. Powder coat finishing transforms dull, worn out metal and gives it a bold, beautiful sheen that passersby won’t be able to help but notice. Prepare for compliments once your metal décor receives a powder coat finish make over. When it comes to powder coating in Grand Prairie, TX, no one else comes close to Xtreme Powder Coating. Spray Coating
In cold spraying, particles are accelerated to very high speeds by the carrier gas forced through a converging–diverging de Laval type nozzle. Upon impact, solid particles with sufficient kinetic energy deform plastically and bond mechanically to the substrate to form a coating. The critical velocity needed to form bonding depends on the material's properties, powder size and temperature. Metals, polymers, ceramics, composite materials and nanocrystalline powders can be deposited using cold spraying.[4] Soft metals such as Cu and Al are best suited for cold spraying, but coating of other materials (W, Ta, Ti, MCrAlY, WC–Co, etc.) by cold spraying has been reported.[1] Insulation Spray Coating
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. Coating Services
As an ISO certified company, we have a robust quality management system to ensure that everything, from incoming raw materials to the final product, meets or exceeds customer requirements. We measure and inspect characteristics such as coating thickness, coating weight, residual solvents/water, and bond strength to ensure your products perform as expected. Agile and efficient, we can process most work within a two- to four-week timeframe and have the flexibility to manage rush orders for situations where time is a critical factor. Spray Coating Services
This technique is mostly used to produce coatings on structural materials. Such coatings provide protection against high temperatures (for example thermal barrier coatings for exhaust heat management), corrosion, erosion, wear; they can also change the appearance, electrical or tribological properties of the surface, replace worn material, etc. When sprayed on substrates of various shapes and removed, free-standing parts in the form of plates, tubes, shells, etc. can be produced. It can also be used for powder processing (spheroidization, homogenization, modification of chemistry, etc.). In this case, the substrate for deposition is absent and the particles solidify during flight or in a controlled environment (e.g., water). This technique with variation may also be used to create porous structures, suitable for bone ingrowth, as a coating for medical implants. A polymer dispersion aerosol can be injected into the plasma discharge in order to create a grafting of this polymer on to a substrate surface.[3] This application is mainly used to modify the surface chemistry of polymers. Coating Services

Heat Shield™ EPX-H2O is a complete thermal barrier insulation system for pipes, tanks, and other industrial equipment and can provide 100% insulation coverage of all odd-shaped configurations – no more expensive insulation jackets or insulated covers needed. This next generation heat insulating coating has you covered for all types of directives – energy savings, safe touch for employee safety, heat radiation reduction, and asset protection from chemicals and corrosion. Don’t leave uninsulated areas in your pipe and tank insulation system that will lead to heat and energy loss. Instead use an easy spray-on solution that can coat, protect, and insulate your entire heat process system, including valves, pipes, tanks, boilers, heat exchangers, and more. Synavax™ thermal insulating and protective coating is a technology you can trust to perform consistently for 10 years or more. Spray Coating
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Thermal barriers are defined in building code as 1/2-inch gypsum wallboard or any material that is as equally fire resistant as 1/2-inch gypsum wallboard. The gypsum wallboard is known as a prescriptive thermal barrier. Materials are tested in a 15-minute fire test in order to determine whether or not they are equal in fire resistance to the 1/2-inch gypsum wallboard. If they are, then they can be used and counted as the equivalent of gypsum wallboard. Coating Services

Inspired in part by the ceramic tiles that NASA uses on the Space Shuttle, a ceramic coating is a paint mixed with one or more ceramic compounds for application via spray or roller to exterior and interior surfaces. Depending on the ceramic compounds used (there are hundreds of varieties), this insulating product has the ability to prevent heat transfer and heat loading onto a structure. This means heat will not transfer into or out of a building. Coating Services
These are robust production capabilities, which allow us to consistently and reliably meet a broad range of coating requirements. Our technical managers ensure the substrate and coating are compatible and are the best possible materials for the job. We engineer our process to deliver a uniform coating in a precise layer from .001” to .005” in thickness. Spray Coating
Polyurethane Spray Foam Insulation is used in industries ranging from mining to movies, from cold storage to marine flotation. Spray Foam Insulation’s ability to seal out air and insulate quickly means it’s always in high demand for residential and commercial applications. Spray Foam Insulation is critical for solving our nation’s energy challenges because it dramatically reduces the energy needed to heat and cool our homes and offices.
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.
You want to know when the job has been done well and when it didn't go as expected. You take accountability for your actions and understand that in business, results matter more than intentions. As empowered decision makers, PPG Coatings Services team members take pride in their ability to help customers overcome their toughest challenges, while sharing in the rewards and satisfaction that come with a job well done.
We are turning our roof into an unvented roof assembly by raising the roof and blowing in SPF. We are planning to leave the existing vapor barrier down but remove the fiberglass batting and then adding 6" of SPF in all the cavities, to completely seal and insulate the house. Should we have any concerns about doing it "upside down" and not spraying the foam directly to the underside/sheathing of the roof?
GacoRoof 100% Silicone Roof Coating creates a seamless membrane to seal and repair existing roofs and permanently protect against leaks, permanent ponding water and the damaging effects of severe weather. GacoRoof is available in several colors to enhance the aesthetics of any roof. Ideal for use on flat and sloped roofs including, but not limited to, large and small buildings, homes, garages and patio covers, sheds and barns, mobile homes, RVs and more.
The CWST Thermal Spraying, FW Gartner and Bolts Metallizing business units in AZ, CT, MA, SC and TX apply HVOF, HVAF and plasma thermal spray coatings for flight and industrial gas turbine applications as well as tungsten and chrome carbide wear coatings utilized in Oil & Gas, Mining, Steel Mill and other demanding industrial markets. FW Gartner also provides Laser Cladding and PTA welding services on new and service run parts for components operating in severe service environments. Coating Services
The deposition efficiency is typically low for alloy powders, and the window of process parameters and suitable powder sizes is narrow. To accelerate powders to higher velocity, finer powders (<20 micrometers) are used. It is possible to accelerate powder particles to much higher velocity using a processing gas having high speed of sound (helium instead of nitrogen). However, helium is costly and its flow rate, and thus consumption, is higher. To improve acceleration capability, nitrogen gas is heated up to about 900 °C. As a result, deposition efficiency and tensile strength of deposits increase.[1] Spray Coating
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