Purefoam Roofing & Insulation
“Cool roofs” are roofs designed to maintain a lower temperature than traditional roofs.6 They are light in color and reflect sunlight instead of absorbing it, which allows heat to escape. SPF applied to the roof of a home or building can provide cool roof performance when topped with a protective, reflective coating. Along with reducing air conditioning needs, spray foam helps protects the roof, potentially extending its lifetime.7
Spray foam roofs also reduce thermal shorts or bridges. Traditional roofing materials must be nailed down or fastened to the roof deck with metal fastenings, creating a thermal short or bridge from the conditioned building interior to the outside roof deck, which can reach temperatures of up to 180 degrees in the summer. Spray foam roofing does not require metal fastening since the foam bonds directly to the roof deck in a continuous layer of insulation.
When having SPF insulation installed in your home or building, work with a professional contractor who can educate you on the installation process.
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About Spray Foam
Spray polyurethane foam (SPF) is a spray-applied plastic that can form a continuous insulation and air sealing barrier on walls, roofs, around corners, and on all contoured surfaces. It is made by mixing and reacting unique liquid components at the job site to create foam. The liquids react very quickly when mixed, expanding on contact to create foam that insulates, seals gaps, and can form moisture and vapor barriers. SPF insulation is known to resist heat transfer extremely well, and it offers a highly effective solution in reducing unwanted air infiltration through cracks, seams, and joints.
Types of Spray Polyurethane Foam
There are three primary types of SPF that can be used for insulation and other specific purposes:
High Density: often used for exterior and roofing applications
Medium Density: often used for continuous insulation, interior cavity fill, and unvented attic applications
Low Density: often used for interior cavity fill and unvented attic applications
Your SPF contractor can help you choose the appropriate product and delivery system for your renovation or insulation project.Spray polyurethane foam (SPF) is a spray-applied plastic that can form a continuous insulation and air sealing barrier on walls, roofs, around corners, and on all contoured surfaces. It is made by mixing and reacting unique liquid components at the job site to create foam. The liquids react very quickly when mixed, expanding on contact to create foam that insulates, seals gaps, and can form moisture and vapor barriers. SPF insulation is known to resist heat transfer extremely well, and it offers a highly effective solution in reducing unwanted air infiltration through cracks, seams, and joints.
Spray foam is an air barrier. Effective air barriers are now an integral part of building codes and standards, and they can increase the efficiency of mechanical systems, which could allow for additional savings in reduced HVAC requirements.
Spray foam helps control moisture. Open- and closed-cell spray foam can act as a moisture vapor barrier. In addition, sealing gaps and air leaks can prevent humidity and condensation within a building.
Spray foam helps prevent mold. By controlling moisture, spray foam can limit one of the key variables that can lead to mold growth.
Spray foam makes buildings more durable. Fewer moisture problems result in a more durable building. Also, medium density, closed-cell spray foam can be used to make wall assemblies stronger by increasing their racking strength.
Spray foam can improve customer satisfaction by improving comfort, durability, and energy efficiency.
Spray foam provides design flexibility. Spray foam expands to fill cavities, crevices, and gaps –even awkward or difficult to reach areas—allowing you to be creative with your design.
Spray foam is different. Designing with spray foam allows an architect to use one product for many purposes: to achieve an air barrier, vapor barrier and provide effective insulation. Spray foam can provide you with a cost-effective building design and energy efficient building performance.
Spray foam is an excellent way that you can incorporate energy reductions into your building design*. The Spray Polyurethane Foam Alliance (SPFA) conducted a life cycle assessment of spray foam insulation. The results of the study show that the energy and environmental benefits from spray foam insulation used in new residential construction and commercial roofing retrofits far outweigh the embodied energy and embodied environmental impacts. Learn more about SPFA’s life cycle assessment of spray foam insulation.
* Savings vary. Find out why in the seller’s fact sheet on R-values. Higher R-values mean greater insulating power.
Building Codes & Standards
States and localities continue to adopt codes that encourage or mandate increased energy efficiency. Spray foam can help you meet or exceed stringent building and energy codes.
Certifications and Tax Incentives:
Incorporating spray foam in your building design can help you achieve LEED certification or NAHB Green Building certification.
Some jurisdictions may offer tax credits, rebates, grants, or other incentives for architects and building designers who include SPF in their building designs.our paragraph here.