To insulate under attic floor use a pump to blow in fiberglass loose fill insulation.
How to blow fiberglass insulation in attic.
Loose fill or batt the common term for blanket insulation.
For diy attic insulation you ve got two choices.
To install blown in insulation in existing walls holes are drilled at the top of each stud space usually on the exterior and material is blown in via a long flexible hose.
The hole is then.
Insert the hose under the floor and turn on the blower.
Then pivot in place and do the same thing to the other side.
Move across the attic until you ve hit your desired height at every point.
Blown insulation both cellulose and fiberglass comes in bags and is available at most home and hardware stores.
Screw the sheets down to the joists to prevent them from moving.
Inspecting your attic insulation.
Insulating your attic stops heat loss through the roof and helps to regulate the temperatures in your home making it more comfortable year round.
Turn off the blower when the void is completely filled.
Blow in insulation is difficult for diyers especially for wall cavities.
Once you ve decided which type is best for you examine the material options and prices to home in on the right product.
As the loose fill insulation packs tightly into the space beneath the floor it will slowly push out the hose.
Attic insulation can be a diy project with a rented or borrowed blower but is still a challenge.
The insulation itself costs about the same for comparable r.
Start at the far corners of the attic then remove the sheets as you work backward.
Also be sure attic rafter vents are installed.
First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation.
Both can be added to uninsulated attics or layered over existing material.
For the center areas hold the hose level and blow in insulation evenly until you ve reached your level lines photo 6.
Blow in insulation until the hopper is empty.
Your attic should have a certain amount of insulation in it and the recommended level of insulation for your attic is dependent on where you live.
How to use blown fiberglass insulation.