Cellulose Insulation In Attic Ceiling

This can prove advantageous at reducing the overall weight of the product on the ceiling drywall helping prevent possible sag.

Cellulose insulation in attic ceiling.

Or whole house fans. When walls are already finished injecting loose fill cellulose insulation is one of the few ways of adding. Sure there s insulation in your attic and crawlspace. Loose fill insulation comes in a variety of materials.

Loose fill cellulose insulation can settle around and conform to most of the obstructions found in walls and attics. It is applied with a very small amount of water to activate an adhesive of some kind. The types of insulation that were most commonly made with asbestos are loose fill also called blown in insulation. Cathedral ceilings must provide space between the roof deck and home s ceiling for adequate insulation and ventilation.

Or attic staircase hatches. For example cathedral ceilings built with 2x12 rafters have space for standard 10 inch batts r 30 and ventilation. 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. Stabilized cellulose is used most often in attic roof insulation.

Cellulose insulation is made from recycled paper products. Cellulose insulation is usually a loose fill insulation. Cellulose blown in ceiling insulation is a good choice for diyers. Blown in cellulose has a higher r rating and is less expensive than either blown insulation like fiberglass attic insulation or fiberglass batts.

But there s probably nothing to prevent air from moving past plumbing air duct and electrical penetrations. You can achieve better thermal performance in your attic by adding an additional layer of insulation. Lighter in weight than cellulose or mineral wool but it settles more than those materials so you ve got to put in a thicker layer to get the protection you need. The r value of cellulose insulation ranges from 3 6 3 8 per inch and spray foam insulation ranges from 3 5 3 7 per inch of insulation.

If your attic or wall insulation is in batt or blanket form whether it s fiberglass cellulose or another material you generally don t have to be concerned about asbestos. This can be achieved through the use of truss joists scissor truss framing or sufficiently large rafters. Foam insulation may be made from polystyrene polyisocyanurate or polyurethane which are all types of plastic. Manufacturers also add borate for fire and insect resistance.

Pick up the blower and insulation. Given that both insulators are equal in r value the difference in thermal resistance relies heavily on proper installation and air sealing. Recycled glass or sand that s melted and spun into fibers. The r values of both insulations will accumulate.