Blown In Celluclose In Walls Them Foam The Attic

The duct work was sealed as carefully as possible and is covered in some cellulose.

Blown in celluclose in walls them foam the attic.

We have blown cellulose on the attic floor r45. Am i able to simply lay a track for them usi. Earlier this year i got a question about a home that had spray foam insulation in the attic. How to blow foam insulation into an attic.

Loose fill cellulose insulation can settle around and conform to most of the obstructions found in walls and attics. Nothing unusual about that. A furnace with duct work is in the attic there was no other place to add a needed zoned furnace in a small room with some rigid foam board. It was a new construction build that needed full wall and attic insulation blown.

Blown insulation is a fluffy foam often made from fiberglass or cellulose which is typically made from recycled newspaper or cardboard and then treated. Thus the air in the attic is connected with the air in the house. When walls are already finished injecting loose fill cellulose insulation is one of the few ways of adding. 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.

The house exterior walls were 12 ft high the. Energyrite llc always uses the highest rated eco friendly materials. Our attic has a lot of blown in insulation and everyone a c people pest people electricians etc are giving me a hard time about working in the attic as they say it s impossible to get to the far reaches for fear of falling through the ceiling. Blown in insulation is satisfactory for many unfinished attics as long as it doesn t get wet or compressed.

A lot of builders and homeowners are going with spray foam insulation because of the airtightness benefits but then the questioner mentioned that the spray foam contractor had intentionally left big holes to the outside by not sealing the gable vents. You also don t want to replace r 45 insulation with r 30 insulation if you did so you would be taking a step backward. About 5 years ago there was too much moisture in the attic. But a common reason to put spray foam on the roofline is to avoid having to air seal the attic floor.

Your options for attic insulation range from radiant barriers to sheets of mineral wool but most homeowners stick with products made from cellulose or fiberglass. Note that spray foam won t solve all air leakage problems for example air leakage around an attic access hatch needs to be addressed with weatherstripping and latches. We offer our review of the three most popular types of attic insulation with a look at each one s pros and cons.