How Many Attic Baffles For A 1500 Sq Ft House

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.

How many attic baffles for a 1500 sq ft house.

6 measure the radius of round vents or take half the diameter of the. Get fair costs for your specific project requirements. Ideally half the vents should be located in the soffit at the bottom of the roof and half in gable or ridge vents near the top. Example 20 wide by 50 long attic.

Ft you divide that by 150 to get 10 sq. It s key to think big when you re planning how to use your 1 500 square feet. Tips for assessing your needs. 1 500 x 30 45 000.

This ratio is required for modern insulated homes. House square footage times 30 divided by 12 000 1 0 required tonnage. Based on your 1100 sq. See typical tasks and time to insulate an attic along with per unit costs and material requirements.

As an empty nester i dream of having only two glorious bedrooms a master and guest room that are equal in size and two and a half bathrooms. Design rooms that are large but can have multiple purposes like a few oversized rooms each with multiple purposes. Next multiply the square feet of attic space by 0 7 to get the minimum number of cubic feet of air per minute that the fan should be rated to move. 20 x 50 1 000 sq.

So for instance a 1 500 square foot home would look something like this. 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. And this guideline you ll need a minimum of. Calculate or enter the square footage of the attic or area to be vented.

Step 2 divide the square footage by 150 to calculate the area of ventilation needed since you need 1 square foot of vent space for each 150 square feet of attic space. So if your attic is 1 500 sq. The cost to insulate an attic starts at 1 68 3 25 per square foot but can vary significantly with site conditions and options. See professionally prepared estimates for attic insulation work.

The rule of thumb on the amount of vent space needed is approximately 1 sq. For example a 6 by 12 inch soffit vent has 72 square inches which when divided by 144 results in a 0 5 square foot opening. If you have 3 000 square feet of attic space this equates to 20 square feet of ventilation needed.