You may be surprised how inaccurate this can be.
Do it yourself home attic insulation.
Like some others that have posted i don t have a clue of the best way to insulate this attic.
To see how to add insulation out to the eaves see installing rafter vents.
Get a free 24 hour blown in machine.
Contractors typically cost a bit more than doing it yourself but they can get the job done quickly safely and have the skills to find any hidden problems like mold or air leaks.
How much insulation do you need.
The most common types of attic insulation are fiberglass or rock wool batts and blown insulation usually cellulose fiber a paper product impregnated with fireproofing chemicals.
If your attic insulation covers your joists and is distributed evenly you probably have enough.
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Both have r values of approximately 3 4 per inch of thickness use 3 per inch as a good guesstimate for how much insulation is already present.
Because the simplest and cheapest way to insulate an attic is to add material to the floor.
Adding insulation to your attic is a great weekend do it yourself project but not everyone wants to crawl up into the attic.
Plan to pull up the flooring and layer new insulation on top of the old.
You get a free blown in machine rental with your insulation purchase.
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Don t make the mistake of simply guessing how much insulation material that you need for your do it yourself attic insulation project.
It is important that the insulation be evenly distributed with no low spots.
Use a tape measure to get the correct dimensions of the area that you need to cover and purchase a corresponding amount of insulation.
Blowing the insulation should take less than 1 5 hours and the whole job can be completed in less than 4 hours based on a 1 000 sq.
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The specially designed atticat machine conditions the insulation by adding millions of tiny air pockets that give the material its insulating power and energy saving r value over time.
Blown in insulation is installed using blowing machines.
Insulation radiant and vapor barriers insulating attic.
But if the floor is covered in plywood you can t stuff enough insulation beneath it to do the job sufficiently not even in warm climates.
You can do this by going up into your attic seeing what kind of insulation is there now and measuring how thick it is.