Spray Cellulose Insulation Roof

And we think you can come up with better ways to spend your money than blowing it out into the air.

Spray cellulose insulation roof.

R25 is required for climate zone 6 in maine. Comfort all year greenfiber keeps your home cooler in the summer and warmer in the winter. Our cellulose insulation is so effective it can cut your energy bill significantly. Open or closed cell spray foam is applied to the underside of the roof sheathing and additional fiberglass or cellulose insulation is blown in as a cost saving method for meeting high insulation requirements and filling in the cavity space between the rafters to the ceiling deck.

Because the loose particles blown in fill any and all odd shaped areas of the attic floor cellulose offers superior coverage without the need to custom fit pieces. Amongst all of the popular types of insulation currently used by the industy spray foam insulation features the highest r value per inch. The word cellulose comes from the french word cellule for a living cell and glucose which is a sugar. For example energy star recommends r 30 for a roof in the southern united states r 38 for the middle of the country and r 49 for the northern part of the country.

Cellulose has an r factor of at least 3 8 per inch moderately higher than fiberglass batts. Cellulose is often the easiest choice to upgrade. R value for loose fill per inch is between r2 and r4 higher value with. Cellulose insulation is plant fiber used in wall and roof cavities to insulate draught proof and reduce free noise.

Most low slope roof construction using spray foam use a hybrid approach where a combination of high density closed cell spray foam is used with fiberglass or cellulose insulation. Loose fill cellulose insulation can settle around and conform to most of the obstructions found in walls and attics. Spray foam insulation r values. This is one of the two most common types of insulation.

Typically fiberglass or cellulose are the material choices. Unvented roofs the code the 2009 irc section r806 4 makes explicit the requirement for impermeable insulation eg rigid foam board or closed cell spray above permeable insulation eg blown cellulose or fiberglass. Again the thickness or thermal resistance of the high density closed cell spray foam is specified by the international residential code irc based on climate zone. When walls are already finished injecting loose fill cellulose insulation is one of the few ways of adding.

Control over noise where. The r value of the impermeable layer depends on climate. Loose fill cellulose is relatively inexpensive yet still has an r value of about 3 5 per inch of thickness compared to fiberglass r value between r3 to r4 per inch.