Cellulose Insulation Finished Attic

Cellulose can slow down air flow particularly in walls.

Cellulose insulation finished attic. The cellulose is blown into the attic or walls through long flexible tubes that run from the blower to an application nozzle. 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. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. The cellulose is allowed to fill the cavities or blanket existing insulation.

Loss of insulating value. Or 7 inches of cellulose. Once you ve decided which type is best for you examine the material options and prices to home in on the right product. Blown in cellulose has a higher r rating and is less expensive than either blown insulation like fiberglass attic insulation or fiberglass batts.

No pressure is placed on the 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. Both can be added to uninsulated attics or layered over existing material. 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.

Wet insulation no longer performs its primary function of inhibiting heat transfer. For diy attic insulation you ve got two choices. 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.

To hit code minimums you ve got to add new insulation on top of the old insulation. The attic is open blown of cellulose. It is allowed to settle over time. Diy using cellulose insulation.

If you check with the cellulose insulation manufacturers association they ll assure you that cellulose is definitely your best choice for insulation. Pros and cons of loose fill fiberglass attic insulation. I am here to show the details of insulating our garage. Blown in cellulose is an environmentally friendly material made from recycled newspaper so it s easier on your skin and lungs.

Cellulose blown in ceiling insulation is a good choice for diyers. We did this project ourselves. 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. Saturated insulation typically loses at least 40 of its insulating r value.

Walls are patched up and painted over. Loose fill fiberglass seems to dominate attic insulation in new construction homes and has an r value of approximately 2 5 per inch. Loose fill or batt the common term for blanket insulation.