how many square feet does an 80 pound bag of concrete mix cover?
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15 cubic feet for every 20 pounds of mix, so a 40-pound bag yields . 30 cubic feet, 60 pounds of concrete mix yields . 45 cubic feet and an 80-pound bag yields . 60 cubic feet.
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One Cubic Yard of Concrete: 4-inches thick – covers 81 square feet.
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Typically, however, one gallon of gel coat will cover between 40-80 square feet at 20-25 mils.
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For concrete, the formula for volume is as follows: length x width x thickness. To determine how many bags of concrete you will need, divide the total cubic yards needed by the yield. Use the following yields per each bag size: 40 pound bag yields .011 cubic yards.
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One 50-pound bag of Quikrete Fast Setting Concrete Mix yields about . 375 cubic feet.
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Divide the total cubic feet needed by the total cubic feet that can be made from one bag of Quikrete Concrete Mix. Quikrete's Concrete Mix yield's about . 15 cubic feet for every 20 pounds of mix, so a 40-pound bag yields . 30 cubic feet, 60 pounds of concrete mix yields .
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One 50-pound bag of Quikrete Fast Setting Concrete Mix yields about . 375 cubic feet. For example, if you need to cover 33.333 cubic feet, using 60-pound bags of concrete, divide 33.333 cubic feet by .
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Pre-mix concrete comes in bags that are 60 lbs. and 80 lbs. A 60 lb. bag provides 0.45 cubic feet of cured concrete.
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1 bag yields approximately 0.6 cu. ft. Will fill an area approximately 7 sq.
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Pea Gravel Coverage: Each ton covers approximately 60 square feet at 4" deep, 80 square feet at 3" deep, or 120 square feet at 2" deep.
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6 cubic feet for an 80 lb bag. The first thing you need to know is the “density” of the concrete.
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Since 27 cubic ft is a cubic yard, it would take 54 bags to make a yard. However, if it's after the bag has been emptied, the soil will bulk out, which may reduce the number of bags by 20% or more. How many cubic feet of topsoil are in a 90-pound bag?
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Originally Answered: How many 80-pound bags of concrete does it take to make a yard? 45 bags would give you 1 cubic yard of concrete.
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Now that we have the depth in feet, we can multiply the depth by the area. So for our example: 0.25 foot depth times 500 square feet equals 125 cubic feet. If you are calculating 0.5, 2, or 3, cubic foot bags, simply divide 125 cubic feet by the size of the bag.
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45 cubic feet and an 80-pound bag yields . 60 cubic feet.
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One 80-pound (36.3-kilo) bag will need 5 quarts (4.7 liters) of water. If you will need more mortar for your project, then you will have to adjust the water accordingly. Pour half of the water into the mixer.
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Normal range for amount of water used to mix each 50 kg bag of cement is between 20 liters and 30 liters (94 lb. bag of cement is between 4.5 gal. and 7 gal.) The water-tightness of concrete depends primarily on the water-cement ratio and the length of moist curing.