It is worth remembering that the surface for insulation is not equal to the surface of an upper storey.
Find attic area.
In order to accurately calculate its value you need to consider the dimensions of ceilings and slants.
An attic may also be called a sky parlor or a garret.
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.
How to determine the number of attic vents 1.
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.
Multiply step 1 and step 2 together to get the area of the attic floor.
The federal housing administration recommends 1 square foot of attic.
Connect with the best attic fan repair contractors in your area who are experts in keeping your attic system running smoothly.
Measure the length and width of the attic space using a tape measure.
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.
Remember the minimum area requirement when using a continuous system is a ratio of 1 300.
An attic sometimes referred to as a loft is a space found directly below the pitched roof of a house or other building.
Step 4 measure the height of your attic in feet.
See how simple that was.
Create a rough sketch of your attic on a piece of paper.
Now let s figure out how much ventilation space we need.
Simply hang them and then load them up with storage containers.
This will give you a visual representation of the.
Ok so now we know the square footage of the attic area to be ventilated.
Calculate the square footage of your attic.
Divide the attic s square footage by 150.
Cut that number in.
Homeadvisor is the simplest way to find and book attic and whole house fan repair services near you.
How to calculate the square feet of an attic step 1.
So in our example we will divide the 1 500 square feet by 300.
For example if your length is 40 feet and your width is 20 feet then 40 20 800 square feet.
1 500 square feet 300 5 square feet.
Calculating a usable area of an attic can cause problems.
Length x width of attic in feet 150 total sq.
The exact result can be obtained by measuring the entire attic.