Fiberglass is the giant in the insulation industry, and the R rating to which it conforms is ingrained in the minds of contractors, builders, and code inspectors. Insulating ceramic coatings offer an alternative to traditional batt insulation. “Fiberglass insulation is tested and rated at 73 degrees Fahrenheit, which is the ideal temperature for fiberglass,” says Pritchett. Under harsher conditions, Pritchett suggests that fiberglass doesn’t perform as well as its ratings predict. Coating Services
Plasma transferred wire arc (PTWA) is another form of wire arc spray which deposits a coating on the internal surface of a cylinder, or on the external surface of a part of any geometry. It is predominantly known for its use in coating the cylinder bores of an engine, enabling the use of Aluminum engine blocks without the need for heavy cast iron sleeves. A single conductive wire is used as "feedstock" for the system. A supersonic plasma jet melts the wire, atomizes it and propels it onto the substrate. The plasma jet is formed by a transferred arc between a non-consumable cathode and the type of a wire. After atomization, forced air transports the stream of molten droplets onto the bore wall. The particles flatten when they impinge on the surface of the substrate, due to the high kinetic energy. The particles rapidly solidify upon contact. The stacked particles make up a high wear resistant coating. The PTWA thermal spray process utilizes a single wire as the feedstock material. All conductive wires up to and including 0.0625" (1.6mm) can be used as feedstock material, including "cored" wires. PTWA can be used to apply a coating to the wear surface of engine or transmission components to replace a bushing or bearing. For example, using PTWA to coat the bearing surface of a connecting rod offers a number of benefits including reductions in weight, cost, friction potential, and stress in the connecting rod.
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. Spray Coating
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During the 1980s, a class of thermal spray processes called high velocity oxy-fuel spraying was developed. A mixture of gaseous or liquid fuel and oxygen is fed into a combustion chamber, where they are ignited and combusted continuously. The resultant hot gas at a pressure close to 1 MPa emanates through a converging–diverging nozzle and travels through a straight section. The fuels can be gases (hydrogen, methane, propane, propylene, acetylene, natural gas, etc.) or liquids (kerosene, etc.). The jet velocity at the exit of the barrel (>1000 m/s) exceeds the speed of sound. A powder feed stock is injected into the gas stream, which accelerates the powder up to 800 m/s. The stream of hot gas and powder is directed towards the surface to be coated. The powder partially melts in the stream, and deposits upon the substrate. The resulting coating has low porosity and high bond strength. Insulation Spray Coating
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.
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.
In recent years, there has been a significant rise in the use of spray foam insulation in construction. Spray foam insulation varies from traditional insulation, such as fiberglass, in many respects. Fiberglass insulation is typically much cheaper than spray foam insulation; however, it is also less effective at insulating your home. Additionally, spray foaminsulation requires professional installation. Though spray foam insulation is on the rise, fiberglass is still the most common form of home insulation used today.
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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.
What do you mean by "our AC units require fresh air ventilation"? Fresh air doesn't come from the attic. If there's an atmospheric combustion appliance in the attic, such as an 80 AFUE furnace, then you shouldn't be encapsulating the attic anyway. If that's the case, you don't want spray foam on the roofline at all. You can either change out the furnace to a sealed combustion unit or do your insulating and air-sealing at the flat-ceiling level. Insulation Spray Coating
Hydraulic or air powered airless provide a more uniform pressure control since the paint piston moves at a constant speed except when it changes direction. In most direct drive piston pumps, the piston is crankshaft driven in which the piston will be constantly changing speed. The linear motors of hydraulic or compressed air drive pumps, are more efficient in converting engine power to material power, than crankshaft driven units. All types of paint can be painted by using airless method. Coating Services
Wire arc spray is a form of thermal spraying where two consumable metal wires are fed independently into the spray gun. These wires are then charged and an arc is generated between them. The heat from this arc melts the incoming wire, which is then entrained in an air jet from the gun. This entrained molten feedstock is then deposited onto a substrate with the help of compressed air. This process is commonly used for metallic, heavy coatings. Spray Coating Services
This is where things get a little tricky. If a home has spray foam insulation in an attic or crawl space, the building code requires using materials or assemblies that offer some fire resistance but not as much as is required for a thermal barrier. If you've got spray foam insulation in an attic, for example, it's probably already separated from the living space by a thermal barrier. Most ceilings are made of 1/2" drywall. But the spray foam is still exposed to the attic and needs an ignition barrier.
Note: The practice of foam insulating the attic has raised eyebrows in the building industry because "standard" roofing techniques call for the attic to be ventilated; however, in a vented attic situation it will become approximately 130 degrees in the summer. There's no reason for an air-conditioning and vent-ductwork to have to work in that type of severe conditions. By applying Icynene right on the underside of the roof deck, the severe temperatures no longer exist in the attic. In short, the attic is now a "conditioned" space of the house that is just as comfortable as any other room in the home. This is called a "Compact Roof", which means you can frame right up against it. The one drawback of using expanded foam on the inside of the roof is that this will cause the temperature of the shingles to rise, but how much is not yet known. And how much damage a rise in temperatures could cause is debatable. Coating Services
Open cell spray foams are less common and have a lower resistance to heat flow than closed cell spray does. Open cell spray foaminsulation expands when it is applied, which allows it to be installed in hard to reach areas, such as small wall and ceiling cavities. Open-cell spray foam is typically cheaper than closed cell foam is, but it is more permeable and vulnerable to fire hazards. Coating Services
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. Spray Coating Services
Yes, absolutely. If you put spray foam insulation in a building, it needs a thermal barrier. That's what separates it from the occupied spaces. If there's a fire in the building, a thermal barrier keeps the combustible spray foam from the flames to increase fire resistance. The International Residential Code (IRC) and Internation Building Code (IBC) both include requirements for thermal barriers (and ignition barriers, too; see below). 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.
What do you mean by "our AC units require fresh air ventilation"? Fresh air doesn't come from the attic. If there's an atmospheric combustion appliance in the attic, such as an 80 AFUE furnace, then you shouldn't be encapsulating the attic anyway. If that's the case, you don't want spray foam on the roofline at all. You can either change out the furnace to a sealed combustion unit or do your insulating and air-sealing at the flat-ceiling level. 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. This application is mainly used to modify the surface chemistry of polymers. Coating Services
Spraying paint with compressed air can be traced back to its use on the Southern Pacific Railway in the early 1880s In 1887 Joseph Binks, the maintenance supervisor at Chicago's Marshall Field's Wholesale Store developed a hand pumped cold-water paint spraying machine to apply whitewash to the subbasement walls of the store. Francis Davis Millet, the decorations director for the World's Columbian Exposition in Chicago in 1893, used Binks and his spray painting system to apply whitewash consisting of a mix of oil and white lead to the buildings at the Exposition, taking considerably less time than traditional brush painting and tuning it into what has been called the White City. In 1949, Edward Seymour developed a type of spray painting, aerosol paint, that could be delivered via a compressed aerosol in a can. Spray Coating Services
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Krylon offers easy-to-use, quality products to help you tackle just about every project, indoors and out. Renew an old grill with Krylon High Heat Max, reinvent your home with our decorative paints or touch up scuffs with Krylon Automotive spray paint. Pros also trust Krylon to get the job done with high-durability enamels and more. Whatever the task, Krylon has a solution. Coating Services
The PPG logo is a registered trademark and Colorful Communities and We protect and beautify the world are trademarks of PPG Industries Ohio, Inc. © 2018 PPG Industries, Inc. All Rights Reserved. | Legal Notices & Privacy Policies | CA Transparency in Supply Chain Disclosure | Global Code of Ethics | TISC for PPG Architectural Coatings UK Limited | TISC for PPG Industries (UK) Limited | PPG Industries UK Ltd 2017 Gender Pay Gap Report Insulation 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
Some ceramic coatings feature additional properties, like preventing moisture migration. Some structures see up to 25 percent of HVAC costs coming from dehumidification needs, but a ceramic coating can also bring savings through moisture management. Additional features can include mold and mildew control, sound attenuation properties, and fire resistance.
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.
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....
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
“Since most of mechanical heat is IR heat, ceramic coatings can be used to prevent heat loss from inside a building,” Pritchett says. A home interior coated in ceramic paint can therefore reduce energy costs due to heat loss in the colder months. “We estimate that a home can save up to 40 to 50 percent in energy costs using our product,” Pritchett says. Payback on a product like SuperTherm, which retails for about $100 per gallon, can come in as little as two years.
You are eligible for a full refund if no ShippingPass-eligible orders have been placed. You cannot receive a refund if you have placed a ShippingPass-eligible order. In this case, the Customer Care team will remove your account from auto-renewal to ensure you are not charged for an additional year and you can continue to use the subscription until the end of your subscription term. Coating Services
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.
Legend Coatings and Insulation values the integrity of our work. We have extensive training when it comes to spray application. All of our applicators at Legend are trained and certified to industry standards. We do not stand alone when it comes to the building science behind our systems . We work hand in hand with Certified HVAC Contractors, Architects and Building Officials to combine our experience and expertise to find the best possible system to suite your needs and maximize your investment. Spray Coating
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. As the last photo above shows, it had pulled away significantly from the studs and rafters, and it was all over the house. This was closed cell foam, and interestingly, it didn't pull away from the horizontal framing members, just the vertical and sloped ones. They did some touch up, but that wasn't enough. I don't know how this one ended up getting resolved. I think maybe the contractor came back and sprayed cellulose on top of the foam. Spray Coating
To say spray foam insulation has become popular in green building over the past decade is like saying Peyton Manning is a good quarterback. It's an understatement. Although it's certainly not used in every green building project, it's become one of the most popular ways to build an air-tight house. In the early days, building codes hadn't caught up with how best to use this material, but that's changing. Change begets confusion, though, and the requirements for thermal and ignition barriers are one area where there's a lot of that.
HVOF coatings may be as thick as 12 mm (1/2"). It is typically used to deposit wear and corrosion resistant coatings on materials, such as ceramic and metallic layers. Common powders include WC-Co, chromium carbide, MCrAlY, and alumina. The process has been most successful for depositing cermet materials (WC–Co, etc.) and other corrosion-resistant alloys (stainless steels, nickel-based alloys, aluminium, hydroxyapatite for medical implants, etc.). Spray Coating
Spray foam insulation is becoming increasingly popular and replacing many traditional forms of insulation, such as fiberglass. When using a spray foam insulation, it is important to take the proper steps to ensure that it is flame resistant. While building code is frequently ambiguous, poorly worded, and poorly enforced, a builder should always take the proper safety precautions with spray foam insulation. Spray foam insulation typically needs either a thermal barrier or ignition barrier in order to satisfy building code requirements.
The guys who sprayed my attic were trained and certified, but I later found out, too late, that they had no experience and my attic was the first they'd ever sprayed. I was also never told to vacate my house for any length of time, and so I (and my pets) were in the house the day they sprayed and the entire time the off ratio foam was filling my home with horrendous vapors. 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. 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. Spray Coating
4 years ago I applied Gaco Roof, coats to an Office Building flat roof and have zero leaks since that time. This saved me $30,000 compared to having a new roof installed. The roof itself was only 7 years old when I applied Gaco Roof. but due to ponding water and harsh Florida heat and UV, the roof already looked shot and was leaking. I have now used Gaco Roof on 4 flat roofs to great results. I also tried big hardware store lower cost substitutes on 2 flat roofs. Those product utterly failed 1 to 2 years. Yes, I pressure washed my roofs clean before using Gaco Roof and followed their simple installation instructions. Excellent product. Spray Coating Services
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
Building code regulations typically call for the use of thermal barriers when spray polyurethane foam is installed. The code requires that the foam is separated from any living spaces by a layer of 1/2-inch drywall. As discussed earlier, any material that has been approved as being as equally fire resistant as the gypsum drywall can be substituted as a thermal barrier. Spray Coating