Cellulose Insulation Finished Attic

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.

Cellulose insulation finished attic.

The cellulose is allowed to fill the cavities or blanket existing insulation. We did this project ourselves. The attic is open blown of cellulose. Diy using cellulose insulation.

It can be effectively blown over existing insulation and. Saturated insulation typically loses at least 40 of its insulating r value. If you check with the cellulose insulation manufacturers association they ll assure you that cellulose is definitely your best choice for insulation. Loose fill insulation is great for installing in attics with very little headroom and multiple obstructions such as vents and cross beams.

Blown in cellulose is an environmentally friendly material made from recycled newspaper so it s easier on your skin and lungs. No pressure is placed on the cellulose. It is allowed to settle over time. 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.

Or 7 inches of cellulose. Pros and cons of loose fill fiberglass attic insulation. You can get to the same place with either material. Like cellulose you need a big machine to blow it in.

Once you ve decided which type is best for you examine the material options and prices to home in on the right product. Wet insulation no longer performs its primary function of inhibiting heat transfer. 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. 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. For diy attic insulation you ve got two choices. Cellulose can slow down air flow particularly in walls. Cellulose blown in ceiling insulation is a good choice for diyers.

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. To hit code minimums you ve got to add new insulation on top of the old insulation. The air trapped in the pockets of the insulation is part of what insulates your home.

I am here to show the details of insulating our garage. The cellulose is blown into the attic or walls through long flexible tubes that run from the blower to an application nozzle. Walls are patched up and painted over.