Cellulose Insulation Finished Attic
Blown in cellulose is an environmentally friendly material made from recycled newspaper so it s easier on your skin and lungs.
Cellulose insulation finished attic. Loss of insulating value. The air trapped in the pockets of the insulation is part of what insulates your home. Loose fill insulation is great for installing in attics with very little headroom and multiple obstructions such as vents and cross beams. It can be effectively blown over existing insulation and.
Or 7 inches of cellulose. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. Blown in cellulose has a higher r rating and is less expensive than either blown insulation like fiberglass attic insulation or fiberglass batts. Once you ve decided which type is best for you examine the material options and prices to home in on the right product.
Walls are patched up and painted over. The cellulose is blown into the attic or walls through long flexible tubes that run from the blower to an application nozzle. No pressure is placed on the cellulose. Cellulose blown in ceiling insulation is a good choice for diyers.
For diy attic insulation you ve got two choices. Loose fill or batt the common term for blanket insulation. Assuming your current attic insulation is made from fiberglass and has a value of r 13 you d have to add roughly 10 inches of additional fiberglass to hit r 38. When used in an attic space however both types of insulation are ineffective at air flow across the attic floor such as a strong gust of wind.
The two most common types of insulation fiberglass batts and blown in cellulose loose fill are vulnerable to attic water damage in two specific ways. We did this project ourselves. Saturated insulation typically loses at least 40 of its insulating r value. The cellulose is allowed to fill the cavities or blanket existing insulation.
The attic is open blown of cellulose. 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. Diy using cellulose insulation. It is allowed to settle over time.
Both can be added to uninsulated attics or layered over existing material. You can get to the same place with either material. If you check with the cellulose insulation manufacturers association they ll assure you that cellulose is definitely your best choice for insulation. To hit code minimums you ve got to add new insulation on top of the old insulation.
Pros and cons of loose fill fiberglass attic insulation. I am here to show the details of insulating our garage. Like cellulose you need a big machine to blow it in.