Cut that number in.
Find attic area.
In order to accurately calculate its value you need to consider the dimensions of ceilings and slants.
This will give you a visual representation of the.
Calculating a usable area of an attic can cause problems.
Federal housing authority recommends a minimum of at least 1 square foot of attic ventilation evenly split between intake and exhaust for every 300 square feet of attic floor space.
Proper attic ventilation consists of a balance between air intake at your eaves soffits or fascias and air exhaust at or near your roof ridge.
Measure the length and width of each square and rectangular area of the attic floor and note the dimensions on.
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See how simple that was.
Multiply step 1 and step 2 together to get the area of the attic floor.
1 500 square feet 300 5 square feet.
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So in our example we will divide the 1 500 square feet by 300.
Measure the area between trusses and simply head to your nearest home supply store and get shelves cut to fit the space or purchase shelves that specifically to fit into the slots.
How to determine the number of attic vents 1.
Simply hang them and then load them up with storage containers.
Create a rough sketch of your attic on a piece of paper.
Remember the minimum area requirement when using a continuous system is a ratio of 1 300.
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Calculate the square footage of your attic.
How to calculate the square feet of an attic step 1.
It is worth remembering that the surface for insulation is not equal to the surface of an upper storey.
Now let s figure out how much ventilation space we need.
Divide the attic s square footage by 150.
Measure the length and width of the attic space using a tape measure.
Length x width of attic in feet 150 total sq.
The exact result can be obtained by measuring the entire attic.
Step 4 measure the height of your attic in feet.
An attic may also be called a sky parlor or a garret.
Calculate the total vent area needed multiply the length of the attic times the width in feet to find the attic area then divide by 150 to find the total square feet of vent space needed.
An attic sometimes referred to as a loft is a space found directly below the pitched roof of a house or other building.