- 1 How many bags of concrete does it take to fill a sonotube?
- 2 How deep should Sonotubes be?
- 3 How do you calculate concrete for a round hole?
- 4 How many bags of concrete do I need for a 4×4 post?
- 5 How many 80lb bags of concrete makes a yard?
- 6 Do you need rebar in sonotube?
- 7 Do you leave sonotube in ground?
- 8 How many 60 pound bags of concrete make a yard?
- 9 Should deck posts be set in concrete?
- 10 How many posts do I need for a 12×16 deck?
- 11 How deep should concrete piers be?
- 12 How many bags of concrete do I need for a 10×20 slab?
- 13 How much concrete do I need for a post hole?
- 14 How many 20kg bags of premixed concrete do you need?
How many bags of concrete does it take to fill a sonotube?
16 cubic feet / 0.6 cubic feet / per bag = 27 (80#) bags of concrete mix.
How deep should Sonotubes be?
Brace securely at top, middle and bottom of tube. There is no pour rate restriction below the joint, but you CANNOT pour a full liquid head up to 20 feet when using a “Joined” Finish Free Tube if the joint is below the 20 foot level.
How do you calculate concrete for a round hole?
The formula for the volume of a round hole is pi r2 x depth. Or 3.14 x radius x radius x depth. The radius is half the width of the hole.
How many bags of concrete do I need for a 4×4 post?
Mix two 50lb bags of concrete with water in a mixing tub or 5-gallon bucket. Add concrete into the hole and around the 4” x 4”. Depending on your climate, let concrete set up for 24 – 48 hours.
How many 80lb bags of concrete makes a yard?
If you’re using 80lb bags of concrete, you’ll need 45 bags to make a yard.
Do you need rebar in sonotube?
To support a beam for a residential deck, does a Sonotube pier need any rebar? A. We usually recommend that a minimum of two pieces of #4 rebar be placed vertically in an 8-inch-diameter concrete pier supporting a structure. A larger-diameter pier should have four or more pieces of vertical rebar.
Do you leave sonotube in ground?
No, it’s not a problem to leave the Sonotube and its plastic “Square Foot” (like these) in the ground forever.
How many 60 pound bags of concrete make a yard?
60 pound bag yields.017 cubic yards.
Should deck posts be set in concrete?
There are several ways to set deck posts; we recommend attaching the posts to concrete footers above the ground. This helps to prevent wooden posts from rotting. Set footers a minimum of 6” below the frost line for your area to prevent movement during freezing temperatures.
How many posts do I need for a 12×16 deck?
A standard deck will need four footings parallel to the house, but they will need to be temporarily braced by 6 inch-by-6 inch posts.
How deep should concrete piers be?
By code, the bottom of a footing must be at least 12 inches deep and below the local frostline—whichever is deeper—and bear on stable, undisturbed soil that is free of organic matter. And the code requires a minimum compressive strength of 2,500 psi for the concrete.
How many bags of concrete do I need for a 10×20 slab?
A 60-pound bag yields. 017 cubic yards, and an 80-pound bag yields. 022 cubic yards. For a 10 x 10 slab, you would need 77 60-pound bags or 60 80-pound bags.
How much concrete do I need for a post hole?
Most fence post holes will need between 1 – 4 bags of concrete to securely hold the post in place. The best way to determine the size of the hole is: Diameter of the hole is 3 times the width of the fence post. Depth of the hole is one-third to half the above ground height of the fence post.
How many 20kg bags of premixed concrete do you need?
For jobs where a stronger rated concrete is needed, youmay consider our High Strength Concrete Mix for your concreting purposes. Yield: One 20kg bag will cover an area of 1.1m2 to a depth of approximately 10mm. Or 108 x 20kg bags equates to one cubic metre of mixed concrete.