No matter whether planning to insulate a brand new building or retrofitting a vintage one, homeowners find spray polyurethane foam or SPF being an increasingly viable choice. Essentially a twig applied plastic; it could form a consistent insulation and a complete air sealing barrier on walls, corners, and all sorts of contoured surfaces. In this process, unique liquid contents are mixed and reacted chemically together and quickly to be expanded on impact and form the foam to offer the required sealing and moisture barrier. This type of insulation is highly preferred not merely due to its extremely commendable potential to deal with heat transfer and also due to its exceptional capacity to reduce unwanted air infiltration through any joints, cracks or seams.
Varieties of SPF
Spray foam insulation is primarily of three types and useful for specific purposes. They’re –
High-density SPF that is predominantly employed for exterior and roofing applications.
Medium density SPF that’s mostly used for interior cavity fill, continuous insulation, and unvented attic applications.
Low-density SPF is best employed for unvented attic applications and interior cavity fills.
Every sort possesses its own unique advantages and normally an SPF contractor accounts for, the dwelling, climate, project, budget, etc. and suggests the best option to go for. Apart from the structure of the foam, its technique of delivery and installation also plays a vital role. It is also of three types i.e. high-pressure in addition to low-pressure, two-component foam and insulating foam sealant.
Advantages of SPF
While each kind of SPF has its own unique pros and cons, there are some common advantages and benefits of deciding on this technique, especially over fiberglass being an insulation means. Few of its key advantages are highlighted below:-
Powerful insulator
Because of its expansive nature, SPF insulation is much more effective kinds of insulation and effectively seals all the nooks and crannies. With it, you are assured of not being left exposed. The method’s resistance value which is its ability to offer an air-tight seal is the best on the market at R-6.
Lower energy costs
As a result of its high quality being an insulator, it helps the home and house-owner to avoid wasting significantly on their energy bills. As opposed to other methods saving about 30% in energy bills an average of, The SPF insulation is recognized to reduce energy bills by 50% or even more.
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