Frequently Asked Questions - Spray Foam Insulation


What is Spray Foam Insulation?

Spray Foam insulation is a healthier, more durable way to be energy efficient. A polyurethane, it’s a more efficient and environmentally responsible material choice over traditional fiberglass insulation.


Why is Spray Foam Insulation so efficient?

Applied as a liquid, it quickly expands to fill every nook and cranny, becoming an inert, absolute barrier to air infiltration. Fiberglass usually leaves many air gaps, because it’s difficult to install effectively around windows, doors and electrical outlets. Wet or over-densely packed fiberglass loses its insulating properties. Spray Foam is a far superior choice for ease and efficiency when insulating tricky areas such as attic sheathing because it requires no wiring in place. Furthermore, it cuts down on exterior noise, repels rodents, insects, molds and moisture, to keep your home clean and safe.


What does the R-Value mean?

R-Value rating of 6.5 per inch for 1.8 lb closed cell foam is generally installed at 3” for walls and 5” for ceilings, according to building code requirements.  An air leak with the surface area of a quarter can reduce R value from 36 to an R value of 6.  Typical fiberglass installations have hundreds of air leaks.


Where should Spray Foam be used?

Most usually used in new construction, remodeling or retro-fit projects where the walls are unfinished, Spray Foam can also be applied after all plumbing and electrical work is done and before the drywall is installed. In existing construction, Spray Foam is used to seal such spaces as unfinished attics or basements, and between floor joists and sills.


What does Spray Foam adhere to?

Spray Foam adheres firmly to almost any material, especially metal and wood studs. Areas and items that are not to be sprayed are carefully sealed off in preparation for the job.


How do I know if Spray Foam is right for me?

Our trained technicians will come to measure, assess and discuss your specific insulating needs, so you can make the best decision for the space.

Why is Spray Foam more expensive?

Spray foam is more expensive because the installation must be performed by a trained profession.  Even though it is more expensive than fiberglass, it outperforms fiberglass.  It will pay you back with the resulting energy savings.


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