Table of Contents
How Much Concrete For A 4×4 Fence Post? Depth 50 Lb Bags 10″-14″ 2 16″-22″ 3 24″30″ 4 32″36″ 5.
How many bags of concrete do I need for a 4×4 slab?
As per calculation, for a 4×4 slab at 4 inch thick, generally you will need approximately either 12 bags of 60lb or 9 bags of 80lb of premixed concrete, at 5 inches thick slab, either 15 bags of 60lb or 11 bags of 80lb premixed concrete are required, while at 6 inches thick slab, either 18 bags of 60lb or 14 bags of.
How much concrete do I need for a post hole?
A: Finding the right amount of concrete depends on the size of the hole and the size of the post. The diameter of the hole should equal about three times the diameter of the post and the depth of the hole should be about ⅓ to ½ the total length of the pole.
How much concrete do I need for an 8 foot 4×4 post?
Here in Northeast America, the most common procedure is to dig a 8″ diameter hole approx 2.25–2.5′ deep, and a 4×4 posts is placed in the center. Approx 70–80 lbs of concrete is poured in dry, and then it is packed tight with a bar.
Is 2 feet deep enough for fence posts?
2 feet is the minimum depth that you should dig your fence post holes for. To dig the holes one-third to one-half of the post’s aboveground height, is a general formula. The deeper you dig the holes, the more stability your fence has.
How many bags of quikrete do I need for a 10×10 slab?
The thickness of your 10′ x 10′ slab will determine just how many bags you need. The average thickness of a 10′ x 10′ concrete slab for a shed is 4 inches thick. At 4″ thick, your 10 x 10 slab will take 56 bags of concrete that weigh 80 lbs.
How many bags of concrete do I need for a 10×8 slab?
Regarding this, “how many bags of concrete do I need for a 10×8 slab?”, at 4 inches thick, generally you will need approximately either 58 bags of 60lb or 45 bags of 80lb of premixed concrete for a 10×8 slab, at 5 inches thick slab, either 73 bags of 60lb or 56 bags of 80lb premixed concrete are required, while at 6.
How big of a hole do I need for a 4×4 post?
The diameter of your post hole should be three times the diameter of your post. So, if you’re planning on using a four-inch round or 4×4-inch square post, your post hole will need to be 12 inches in diameter. For a six-foot-high fence post, we would need a hole that’s 36 inches deep and 12 inches in diameter.
How many cubic feet is an 80 lb bag of concrete?
30 cubic feet, 60 pounds of concrete mix yields . 45 cubic feet and an 80-pound bag yields . 60 cubic feet. One 50-pound bag of Quikrete Fast Setting Concrete Mix yields about .
How do you calculate concrete for a round hole?
To find cubic metres needed to fill a round hole EXAMPLE: How much concrete is needed to fill 5 holes 1200mm deep and 1050mm round? ANSWER: One hole takes 1.039 cubic metres, therefore 5 holes = 5 x 1.039 = 5.195. ( say 5.2 cubic metres) NOTE: When the Diameter of a hole is doubled, it takes 4 times more concrete.
How many square feet does a 50 lb bag of quikrete cover?
Regarding this, how much does a 50 lb bag concrete cover?, as 133 lb concrete = 1 CF, so a bag of 50 lb concrete = 50/133 = 0.375 CF, therefore, a 50 lb bag of concrete approximately cover around 1.5 square feet area upto standard depth of depth of 3 inch for your patio and sidewalk.
Can you put dry concrete in a post hole?
Fast-setting concrete is ideal for setting posts because there’s no mixing—you simply pour the dry concrete from the bag right into the hole, then add water.
How deep should an 8 foot post be in the ground?
In general, holes should be at least 3 feet deep for posts that extend 8 feet or more above ground level. Posts that extend 6 feet above ground level should have holes at least 2 1/2 feet deep.
How many bags of Postcrete do you need per post?
“Usually one bag of postcrete per post is enough, however you can use a two bags per post if you feel this is needed.
How deep is a 4×4 fence post?
Dig post hole so diameter of the hole is 3 times the width of the post (i.e., the hole for a 4” wood post should be about 12 inches wide). The depth of the hole should be 1/3-1/2 the post height above ground (i.e., a 6-foot tall fence would require a hole depth of at least 2 feet).
How much area does a 40 lb bag of concrete cover?
Regarding this, how much does a 40 lb bag concrete cover, as 133 lb concrete = 1 CF, so a bag of 40 lb concrete = 40/133 = 0.30 CF, therefore, a 40 lb bag concrete approximately cover around 1.8 square feet area upto depth of 3 inch.
How much area will a 60 lb bag of quikrete cover?
A 60 lb bag of concrete is premixed of cement, sand and gravel as concrete which yields 0.45 cubic feet volume that is approximately equal as 0.017 cubic yards and it will cover around 1.8 square feet area of upto standard depth of 3 inch for your Patio or sidewalk.
How many square feet does a 80 pound bag of quikrete?
A: Each 80-pound bag of QUIKRETE® Concrete Mix will yield approximately 0.6 cubic feet when mixed. For an area of 22 feet by 20 feet at 3-1/2” thick, you will need 128-1/3 cubic feet of concrete, or 214 80-pound bags. Yields will vary with waste, uneven subgrade, etc.
