Dry Mix Concrete In Post Holes

If using a dry mix method with fast setting concrete no premixing required.

Dry mix concrete in post holes.

The installer walks up to a post hole tosses in a bag s worth of dry concrete mix adds a little water on top and claims it will set on its own below grade with the moisture from the ground. Compact and level the gravel using a post or 2 x 4. Two 50 pound bags of fast setting concrete will set a 4 inch by 4 inch or a 4 inch diameter post in a 10 inch diameter hole. To mix or not to mix.

We care less about having a maximum psi footing and more about having a very tightly packed hole to keep the post level. Pour the concrete into the hole until it s 2 3 in 5 1 7 6 cm below ground level. Enter your post and hole dimensions in any units. Step 6 pour about a gallon of water per 50 lb bag into the hole and allow the water to saturate the concrete mix.

Dig the post hole making it three times the width of the post and at a depth equal to 1 3 to 1 2 of the above ground length of the post plus 6 right. Step 5 fill the hole with fast setting concrete up to 3 to 4 inches below ground level. Place the form tube into the hole. Pour the dry mix into the tube.

Pour fast setting concrete mix in the hole. Use a shovel or hoe to transfer your concrete into the hole. Fast setting concrete is ideal for installing fence posts since it doesn t need to be mixed in a bucket or a wheelbarrow. Leave at least 2 inches 5 1 cm between your cement and ground level so you can cover it later.

Pour 6 of gravel or crushed stone into the bottom of the hole. Make sure to evenly pour the concrete on all sides of your post so the hole fills in completely. Fast setting concrete mix is a special blend of fast setting cements sand and gravel. Pour the hole approximately 1 3 of the way full with water.

Sets posts without mixing. The calculator will give you the results in cubic yards and number of pre mixed bags of concrete 40 lb 60 lb and 80 lb bags. Have someone hold the post and ensure it is level. Pour dry mix into hole and soak with water.

When the concrete is dry poured then wetted there are no gaps around the concrete between the post or the soil which helps negate any erosion that may cause the post to lean. Then set your post in place and use a level to ensure that it s perfectly. Make sure the post is plumb before allowing the concrete to set. Setting posts in concrete.

Dig a hole using a post hole digger to 1 3 the length of the post and insert the post. Designed to set hard in 20 40 minutes. Set the post into the form and temporarily stand straight. Once you ve finished digging your post holes add about three to four inches of gravel into the bottom and compact it using a post or a 2x4.

Step 4 use a level to position the post perfectly vertical. Set the post into the hole and attach 2x4 braces to adjacent sides of the post. So the questions i get is that the proper way to do it. Use the post hole estimator to quickly find out how much concrete you will need to set your fence posts.

That is the question.