How To Measure The Attic For Insulation

Measure the room.

How to measure the attic for insulation.

Determining the attic footprint. First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation. Input length and width of area to be insulated. Multiply the wall s length by the wall s height and don t forget to write down the spacing of the studs so you can then determine what type of the insulation will be purchased.

Push the tape all the way down until it meets resistance when it contacts the drywall. Once you decide which install method is best for your home it s time to measure the. Your attic should have a certain amount of insulation in it and the recommended level of insulation for your attic is dependent on where you live. Purios e which should be covered with attic is at least 21 cm.

Measure your attic s square footage. 4 read the measurement where. You will need this as insulation normally comes in precut lengths or standard rolls. This calculator is to be used as an estimating tool only.

Typically the square footage of the home plus 400 ft for a 2 car garage and add any. The thickness of the attic insulation depends on the value of heat transfer coefficient u. Your insulation levels should be well above the rim joists. If you can see your rim joists in the attic it s time to add some insulation.

Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. For loose fill read labels. Each bag lists the required depths for a range of r values and the number of bags needed to cover 1 000 square feet at those depths. 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.

Extend a tape measure into a joist bay the insulated space between two joists. Extra areas to consider. How to measure your attic choose an install method first. One easy way to tell if you need more insulation is by looking across the span of your attic.

Its value is currently 0 18 w m 2 k therefore the thickness of the open cell pur foam layer e g. To determine the amount of insulation needed start by measuring the height and length of each of your room walls. Inspecting your attic insulation.