The pros often use spray foam insulation or blow shredded insulation.
How to put insulation in attic.
How to insulate an unfinished attic preparing an attic for insulation.
See below for a shopping list and tools.
For the center areas hold the hose level and blow in insulation evenly until you ve reached your level lines photo 6.
Next any stored belongings or debris in the attic are removed and stored in a safe location that is out of the way.
Place planks 1 by 6 or 1 by 8 or plywood sheaths across floor joists to improve.
Choose your insulation type.
Move across the attic until you ve hit your desired height at every point.
There are many different ways to install insulation.
While wearing dust mask and gloves carry r 38 batts of unfaced fiberglass insulation into the attic.
Before installing determine the insulation material best suited for your home.
Now that you ve air sealed your attic and basement check your attic insulation levels and add more if necessary.
This old house general contractor tom silva and host kevin o connor demonstrate the proper way to insulate an attic.
Then pivot in place and do the same thing to the other side.
Calculate how much you need.
Check pipes and vents.
Blow in insulation until the hopper is empty.
If installing fiberglass mats start by laying the mats at the furthest point from the attic access.
Installing attic insulation requires first preparing the surfaces around the attic entry to ensure that any contaminants in the attic aren t spread throughout the home.
Batts and blankets insulation often comes with a vapor retardant facing and some varieties.
If installing shredded insulation fill the attic space at least 15 inches high with insulation.
Lay the batts across the ceiling joists covering the existing insulation.
So if you re installing insulation in an attic that doesn t have any used faced insulation and put the paper side down toward the ceiling.
To install insulation.
Installing a vapor barrier.