Blowing Attic Insulation Tips
5 things to know about blown in insulation.
Blowing attic insulation tips. The blown in fiberglass works much better than the fiberglass batts as you don t have gaps in the coverage. Blown in fiberglass insulation is found in about 75 of the houses i see. Blown in cellulose is an environmentally friendly material made from recycled newspaper so it s easier on your skin and lungs. Blown in fiberglass is considered flame resistant.
Blown in cellulose has a higher r rating and is less expensive than either blown insulation like fiberglass attic insulation or fiberglass batts. Then use the numbers in the chart at right to estimate its r value. You don t want this to happen as it traps and builds up hot air. Blown insulation both cellulose and fiberglass comes in bags and is available at most home and hardware stores.
During new construction batt insulation thick. Materials can be layered for added protection. Make sure ductwork is properly sealed to prevent insulation from circulating into the home. Blowing in insulation is a two person job.
Grab a tape measure and a flashlight to see what kind of insulation you already have in the attic and how deep it is. You should also be able to rent a machine to blow the insulation along with 3 inch hoses to carry it up to the attic at the same store. Install baffles above soffit vents and block soffits to prevent moisture and mold problems. There are three types of blown in insulation.
Blown in insulation flows down around wall studs. Cellulose blown in ceiling insulation is a good choice for diyers. Adequate drying make sure the loose fill insulation has enough time to dry before the drywall is installed. This is small pieces of fiberglass that come in a bag and are installed with blower machine.
This means of insulation has its disadvantages. Insulation efficiently fills gaps. Blown in insulation fills between existing wall studs and ceiling joists quickly and easily. Pull up and dispose of any material that s compressed water stained or moldy it s useless.
We include blown in attic insulation pros and cons but we can t recommend blown in fiberglass or cellulose as your best insulating choice.