How Do You Measure Attic Insulation

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.
How do you measure attic insulation. Take your ruler and push it down through your insulation. This calculator is to be used as an estimating tool only. 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. Firstly perform a visual inspection of your attic space.
Simply take your ruler and push it down through or next to. If you can see your rim joists in the attic it s time to add some insulation. For example if you attic floor area is 30 x 50 then you re measuring 1 500 sq ft. Click the button to calculate the amount of insulation in square feet and man hours wall and ceiling fiberglass insulation needed for this job.
Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. 4 read the measurement where. It s important that your. 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.
Push the tape all the way down until it meets resistance when it contacts the drywall. You determine this by multiplying the length x width of the space. Repeat the first step at several different spots in your attic. However if you can t see the joists because insulation is above them you should move to the next step of measuring the r value between two joists.
Input length and width of area to be insulated. If you see that your insulation is level with or below the top of your floor joists you do not have enough insulation. Measuring attic insulation one easy way to tell if you need more insulation is by looking across the span of your attic.