Place your tape measure an inch down into the rough opening and measure to the top of your attic stairs this will give you the correct height of your attic stairs.
How to measure your attic for insulation.
When you re blowing insulation it can get dusty and hard to see whether you ve got it deep enough around the entire attic.
Use a permanent marker to mark the level every few trusses so you know you have even coverage around the entire space.
The thickness of the attic insulation depends on the value of heat transfer coefficient u.
This calculator is to be used as an estimating tool only.
Purios e which should be covered with attic is at least 21 cm.
Input length and width of area to be insulated.
Phone camera to remember and record your measurements so put on a dust mask and gloves and grab your measuring stick or tape and a phone camera.
Its value is currently 0 18 w m 2 k therefore the thickness of the open cell pur foam layer e g.
Now let s take a look at how to measure your attic s insulation regardless of type.
Repeat the first step at several different spots in your attic.
Push the tape all the way down until it meets resistance when it contacts the drywall.
With the attic stairs folded up in the closed position measure the height of the attic stairs to determine the attic cover with the correct height.
Take your ruler and push it down through your insulation.
Extend a tape measure into a joist bay the insulated space between two joists.
Simply take your ruler and push it down through or next to.
Measure up from the drywall to mark your desired blown in insulation level.
Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation.
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.
It s important that your.