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.
Blow insulation into walls from attic.
When you need to add insulation to an attic crawl space or walls of a home the fastest and most cost efficient method is to use blown in insulation.
Bag of all borate insulation is ideal for professional contractors that offer blow in attic sidewall and floor applications.
We offer our review of the three most popular types of attic insulation with a look at each one s pros and cons.
Contractor grade 30 lb.
Because the space inside a wall is filled almost completely with insulation the r values can be lower than in attics.
How much does attic insulation cost.
One for attic prep and the second to actually blow the insulation.
Blowing attic insulation isn t hard but it s dusty sweaty work.
You can do it yourself for about 500.
The pros charge 1 500 to 2 000 to do a 1 200 sq ft.
The average cost of blown in insulation to achieve an r value of r 38 r 49 is 1 665 with most homeowners spending between 874 and 2 156 or 1 59 per square foot.
How to blow insulation into your walls.
Greenfiber cellulose insulation fills gaps and voids to create an energy saving thermal blanket that can lower heating and cooling costs by 25 and reduce sound power by 60.
On average you can expect to pay between 1 25 to 2 00 per square ft.
Blowing in attic cellulose is conceivably a do it yourself.
How to blow insulation into your walls.
Here the traditional favorite is blow in cellulose insulation although spray in foam is becoming steadily more common.
How much does blown in attic insulation cost.
Bag of all borate contractor grade 30 lb.
For most exterior walls experts recommend an r value of r 13 to r 24.
R 30 to r 60 insulation will cost between 0 15 to 0 65 cents per square foot.
By james carey morris carey.
1 20 1 25 per square foot for loose fill cellulose blown into an attic.
Removing the wallcovering to insulate the wall cavity just isn.
To install attic insulation and material cost for cellulose fiberglass with a r value of.
Blowing insulation into walls is best left to the pros because it involves drilling into stud spaces that may contain electrical wiring and pipes.
With closed walls you have few other choices but to blow in insulation.
Blown in spray foam batts and blankets.
With boric acid added for fire resistance shredded recycled telephone books tax forms and newspapers all contribute to making safe cellulose insulation blown in cellulose is injected into the wall cavities by a series of holes drilled into either the inside or outside of the walls.
However blowing insulation into an attic can be.
An average size attic of 1 200 square ft.
To make insulating an attic easier grab a helper and set aside two days.
1 50 per square foot for loose fill cellulose installed in finished walls.