How to keep blow in insulation out of soffits.
How do they blow insulation into an attic.
To make insulating an attic easier grab a helper and set aside two days.
The pros charge 1 500 to 2 000 to do a 1 200 sq ft.
One worker moves around the attic with the blower hose spraying fluffed up insulation across the floor and into cavities.
Blowing insulation requires a special machine to break down the insulation into tiny pieces and blow it through a long hose.
Loose fill blown in insulation is best for tight spaces or if your attic already has a layer of insulation.
There are two main types of insulation.
Batt and roll insulation and loose fill sometimes known as blown in insulation.
Blowing insulation into walls is best left to the pros because it involves drilling into stud spaces that may contain electrical wiring and pipes.
See install batt and roll insulation for details.
When attics are insulated with blow in insulation the installation crew typically consists of two individuals.
One for attic prep and the second to actually blow the insulation.
In most older homes and even in some newer ones blowing extra insulation into your attic can help save you a lot of money on energy bills some estimates go as high as 20 percent per year as well as make your home a more comfortable place to live.
The insulation easily settles around any attic obstructions.
The only caveat i can think of when it comes to spray foam insulation is that you do run the risk of trapping moisture around the roof deck if you develop a leak in your roof.
By far the easiest way to add insulation to a completed home with the walls and ceiling already closed up is to blow insulation into the attic.
How much does attic insulation cost.
If you are ok with this risk then foam is a great choice for attic insulation even though it can be double to triple the cost of other options.
How it is done for attics.
Blowing attic insulation isn t hard but it s dusty sweaty work.
However blowing insulation into an attic can be.
Your options for attic insulation range from radiant barriers to sheets of mineral wool but most homeowners stick with products made from cellulose or fiberglass.
Both lowe s and the home depot offer free rental machines with a minimum purchase of the insulation usually about 250.
Batt and roll insulation works well between joist and stud spaces or if you have a wide open space or a crawlspace.
We offer our review of the three most popular types of attic insulation with a look at each one s pros and cons.
Vents placed in the underside of the roof s overhang or soffit provide a means for air to get into the attic to help cool it in the summer months.
A how to on installing certainteed s insulsafe sp and truecomfort blown in fiber glass insulation into attic applications including application techniques.