how to calculate how much insulation i need?
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To determine the amount of insulation needed, start by measuring the height and length of each of your room walls. 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.
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Drywall supplied, installed, and finished will cost you between $1.50-$2.00/sq. f of surface area, insulation and vapour barrier supplied and installed should be between $1.30-$1.60/sq.
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To do so, use a tape measure to determine the room's length and width. Then multiply the length by the width to get your square footage. For instance, if the room is 12 feet wide and 12 feet long, you will need enough flooring for 144 square feet (12×12=144).
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The national average cost to install batt floor insulation is $0.4 per square foot, with a range between $0.4 to $0.5. The total price for labor and materials per square foot is $1.3, coming in between $0.9 to $1.7. A typical 300 square foot project costs $402.
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['Determine how thick you want the concrete.', "Measure the length and width that you'd like to cover.", 'Multiply the length by the width to determine square footage.', 'Convert the thickness from inches to feet.', 'Multiply the thickness in feet by the square footage to determine cubic feet.']
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['To find the area of a wall, we multiply wall height x wall width.', 'The estimate divides the total square footage by 350, as one gallon of paint covers 350 square feet.', 'Your paint calculation will update if you change the number of desired coats of paint.']
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Blown-in insulation is about $1,483, with most homeowners spending between $926 and $2,076, but this is dependent on whether the work is done by the homeowner or by a professional. Blown-in insulation (also called loose fill) runs from $1 to $1.50 per square foot.
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Once you have the base BTUs figured for your home's size, you can then figure out the size of AC and heating units you need. For the air conditioner, divide the number by 12,000 to determine the tonnage required. For the furnace, divide the BTU by the unit's efficiency as a decimal.
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What is the recommended thickness for loft insulation? The current regulations under the EEC programme states that a minimum 270mm of loft insulation is required.
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Multiply your square footage by 20 BTUs to get a general estimate. Typically, plan to purchase a heating or cooling unit with 20 BTUs for every square foot of space you have.
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So, for an average installation of a single room of 240 square feet, blown-in insulation of either fiberglass or cellulose will cost between $650 and $670, while the same space insulated using fiberglass batts will cost between $310 and $340.
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If your home is 2000 square feet, you can calculate your HVAC needs the same as you would for a 1600 square foot home. Assuming one ton of cooling capacity can cool 400 square feet of your home, you'll need about 5.0 tons of air conditioning capacity. Multiply this by 12,000 BTUs, and you'll get 60,000 BTUs.
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Start with all square and rectangular walls, measuring height and width. Siding is ordered in “squares”. One square equals 100 square feet, so multiply height x width, then divide by 100 for total “squares". If you are using different materials on different walls, you will want to keep these separate.
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It can cost anywhere from $1,700 to $2,100 or between $1.50 and $3.50 per foot to insulate an attic depending on what insulation material you choose. Blown-in insulation is the least expensive option and ideal for older attics. Spray foam, while the most expensive, is best for noise reduction and new construction.
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['The domestic system volume can be estimated by counting the number of single panel radiators in a property and multiplying by 10.', 'Remember to count double panel radiators as two single panels.', 'It is also important to consider thermal stores, which can add up to 100 litres to system capacity.']
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For a typical two story, 2500 square foot house, the general rule of thumb is two rolls of DuPont Tyvek size 9' x 150' should be adequate to wrap the house. However, this estimate may vary slightly depending on the house elevation.
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12 Rolls/pallet is equal to 12-pieces/900.84 sq. ft. The right insulation can save on energy and heating and cooling bills. Check out our Buying Guide for helpful tips.