If your attic insulation covers your joists and is distributed evenly you probably have enough.
Do it yourself home attic insulation.
Blown in insulation is installed using blowing machines.
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.
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Get a free 24 hour blown in machine.
You get a free blown in machine rental with your insulation purchase.
Sometimes there is enough insulation in the middle of the attic and very little along the eaves.
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.
To see how to add insulation out to the eaves see installing rafter vents.
It makes adding insulation to your attic a breeze.
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 may be surprised how inaccurate this can be.
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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.
Insulation radiant and vapor barriers insulating attic.
How much insulation do you need.
Use a tape measure to get the correct dimensions of the area that you need to cover and purchase a corresponding amount of insulation.
You can do this by going up into your attic seeing what kind of insulation is there now and measuring how thick it is.
Plan to pull up the flooring and layer new insulation on top of the old.
Don t make the mistake of simply guessing how much insulation material that you need for your do it yourself attic insulation project.
We love our diyers so take up our incentive to improve your attic insulation situation yourself.
Adding insulation to your attic is a great weekend do it yourself project but not everyone wants to crawl up into the attic.
Because the simplest and cheapest way to insulate an attic is to add material to the floor.
Like some others that have posted i don t have a clue of the best way to insulate this attic.
It is important that the insulation be evenly distributed with no low spots.