Repeat the first step at several different spots in your attic.
How do you measure attic insulation.
Measuring attic insulation one easy way to tell if you need more insulation is by looking across the span of your attic.
To find the r value of the existing insulation in your attic multiply the number of inches of insulation by the r value for your particular type.
You determine this by multiplying the length x width of the space.
4 read the measurement where.
Now let s take a look at how to measure your attic s insulation regardless of type.
Click the button to calculate the amount of insulation in square feet and man hours wall and ceiling fiberglass insulation needed for this job.
If you re laying the foil down on top of existing attic insulation on the attic floor then you just need to know the square footage of the attic area you re covering.
Simply take your ruler and push it down through or next to.
Extend a tape measure into a joist bay the insulated space between two joists.
Push the tape all the way down until it meets resistance when it contacts the drywall.
If you can see your rim joists in the attic it s time to add some insulation.
Your insulation levels should be well above the rim joists.
Input length and width of area to be insulated.
Find your zone on the map and then use the chart to determine the level of insulation you need to properly insulate your attic walls floors and crawlspaces.
For example if you attic floor area is 30 x 50 then you re measuring 1 500 sq ft.
Take your ruler and push it down through your insulation.
Firstly perform a visual inspection of your attic space.
This calculator is to be used as an estimating tool only.
It s important that your.