Best Attic Blow In Insulation

Rolls and batts are produced of mineral wool and fiberglass.

Best attic blow in insulation.

Loose fill insulation is great for installing in attics with very little headroom and multiple obstructions such as vents and cross beams. Among commonly used types of insulation there are mineral wool or fiberglass rolls and batts rigid fiberglass board loose fill materials cellulose mineral wool etc. A bag of cellulose insulation covers about 30 35 square feet of attic space if you are blowing in 10 inches. Greenfiber cellulose insulation fills gaps and voids to create an energy saving thermal blanket that can lower heating and cooling costs by 25 and reduce sound power by 60.

A bag of fiberglass insulation will cover approximately 65 square feet. Bag of all borate insulation is ideal for professional contractors that offer blow in attic sidewall and floor applications. Insulation efficiently fills gaps. 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.

We include blown in attic insulation pros and cons but we can t recommend blown in fiberglass or cellulose as your best insulating choice. Blown in cellulose has a higher r rating and is less expensive than either blown insulation like fiberglass attic insulation or fiberglass batts. It can be effectively blown over existing insulation and. Blanket insulation modern technology of blanket insulation today is considered the best insulation for attic.

Blown in insulation flows down around wall studs. For diy attic insulation you ve got two choices. Materials can be layered for added protection. The photo above shows an attic insulated with blown cellulose.

When blown into attics and wall spaces loose fill fiberglass offers an average r 2 5 thermal value per inch the higher the number the greater the insulating effect. Blown in fiberglass is considered flame resistant. You d need a thickness of. I don t know about that but it s a common insulation material that works much better in the blown form than in batts.

Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. Contractor grade 30 lb. Fiberglass comes from what i ve heard one major fiberglass insulation manufacturer call a rapidly renewable resource sand. Blown in cellulose is an environmentally friendly material made from recycled newspaper so it s easier on your skin and lungs.

Loose fill or batt the common term for blanket insulation. Bag of all borate contractor grade 30 lb.