No matter if planning to insulate a new building or retrofitting a vintage one, homeowners have found spray polyurethane foam or SPF being an increasingly viable choice. Essentially a twig applied plastic; it can form a consistent insulation in addition to a complete air sealing barrier on walls, corners, and all sorts of contoured surfaces. With this process, unique liquid contents are mixed and reacted chemically together and quickly to expand on impact and make up the foam to provide the mandatory sealing and moisture barrier. This manner of insulation is especially preferred not simply due to its extremely commendable capacity heat transfer and also due to the exceptional capability to reduce unwanted air infiltration through any joints, cracks or seams.
Kinds of SPF
Spray foam insulation is primarily of three types and utilized for specific purposes. They are –
High-density SPF that’s predominantly used for exterior and roofing applications.
Medium density SPF that is mostly used for interior cavity fill, continuous insulation, and unvented attic applications.
Low-density SPF is the most suitable employed for unvented attic applications and interior cavity fills.
Every sort has its own unique advantages and normally an SPF contractor thinks about, the structure, climate, project, budget, etc. and suggests your best option to get. Independent of the structure of the foam, its way of delivery and installation also plays an important role. Additionally it is of three types i.e. high-pressure along with low-pressure, two-component foam and insulating foam sealant.
Benefits of SPF
While each kind of SPF has its own unique pros and cons, there are a few common benefits and advantages of deciding on this method, especially over fiberglass being an insulation means. Number of its key advantages are highlighted below:-
Powerful insulator
Because expansive nature, SPF insulation is much more effective than other types of insulation and effectively seals all nooks and crannies. With it, you’re assured of not left exposed. The method’s resistance value that is being able to provide an air-tight seal is the foremost available in the market at R-6.
Lower energy costs
Due to its top quality as a possible insulator, it enables the home and house-owner to avoid wasting significantly on his or her energy bills. Contrary to other methods saving about 30% in energy bills normally, The SPF insulation is recognized to reduce energy bills by 50% or more.
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