Batting Unsulation In Attic

Rather than being a bully like guardian did to me a couple of years ago they commented on the article and asked for a dialogue on how to get better installation in the.

Batting unsulation in attic. Both can be added to uninsulated attics or layered over existing material. Install batting between the attic s floor joists. Lay the batts across the ceiling joists covering the existing insulation. The batting material must be faced and at least as thick as the joists are wide so the batting is nearly flush with the top of the joists.

Loose fill or batt the common term for blanket insulation. Most of insulation comes in rolls or precut fiberglass batts. Sloppy people aren t suited for this job. A better choice is insulation that comes in smaller chunks.

For diy attic insulation you ve got two choices. Blown in fiberglass creates a seamless blanket in your attic. Batts must be cut tightly and you can t have gaps. A large machine outside churns the chunks and uses air to blow them up through the hose.

The green curmudgeon wrote another article on poorly installed batts recently with photos of knauf fiberglass. While wearing dust mask and gloves carry r 38 batts of unfaced fiberglass insulation into the attic. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. It can also be loose laid in your attic between the ceiling rafters.

Blown in cellulose has a higher r rating and is less expensive than either blown insulation like fiberglass attic insulation or fiberglass batts. The thermal performance of fiberglass insulation is directly related to its ability to trap and maintain very small pockets of air. The installer taking his best firefighter pose holds a large hose and blows the chunks into the attic. Cellulose blown in ceiling insulation is a good choice for diyers.

Blown in cellulose is an environmentally friendly material made from recycled newspaper so it s easier on your skin and lungs. Batting type insulation should be placed on the outside walls of your home after the walls have been framed with lumber but prior to finishing. Find your zone on the map and then use the chart to determine the level of insulation you need to properly insulate your attic walls floors and crawlspaces.