Insulating An Attic With Rolled Insulation

In this video this old house general contractor tom silva and host kevin o connor explain how to insulate an attic.

Insulating an attic with rolled insulation. The big disadvantage with spray foam is cost. Having the correct amount of attic insulation can help you maintain a comfortable temperature throughout your home and help save money on your energy bills plus prevent major issues like ice dams in the winter. Loose fill or batt the common term for blanket insulation. It s generally 3 to 4 times what you ll pay for blown cellulose or fiberglass.

For diy attic insulation you ve got two choices. Insulate your attic outer walls and crawl space first as these areas have the most heat transfer. Look for insulating pre cut jackets or blankets with an insulating value of at least r 8. There are other materials and systems that you can use to insulate your attic.

So it s time to pay close attention to what s happening up there. If you think you re among the 90 of us homes that are under insulated 1 performing a simple insulation inspection will help you determine your insulation needs. Rolled or batt insulation when installing insulation in your home there are several important decisions to make. Use our roll insulation calculator to estimate the amount of wall insulation crawlspace insulation or attic insulation you need for your project.

This includes information on how to work around existing insulation or what materials you ll need to start from scratch to ensure moisture stays out of your attic. In this video we ll talk about how to insulate an attic with pre cut fiberglass batts and rolls along with all the tools and precautions you ll need along the way. I d blow insulation on the attic floor after air sealing of course. Both can be added to uninsulated attics or layered over existing material.

Click the button to calculate the amount of insulation in square feet and man hours wall and ceiling fiberglass insulation needed for this job. While wearing dust mask and gloves carry r 38 batts of unfaced fiberglass insulation into the attic. Once you ve decided which type is best for you examine the material options and prices to home in on the right product. Input length and width of area to be insulated.

These decisions will determine how effective the insulation will be in keeping your home comfortable throughout. Adding insulation to your water heater can reduce standby heat losses by 25 to 45 percent. Insulate water heaters to prevent costly energy loss. Lay the batts across the ceiling joists covering the existing insulation.