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.
Best concrete to use for fence posts.
Pour the dry mix into the tube.
Set the post into the form and temporarily stand straight.
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.
Use your post hole digger to dig out the hole then layer the bottom 6 inches with gravel.
Place the form tube into the hole.
Sakrete fast setting concrete mix is a preblended mixture of special cementitious materials sand and coarse aggregate that quickly sets within 30 minutes.
Step 7 wait about 4 hours to begin constructing your fence or applying heavy weight to your post.
Pour about a gallon of water per 50 lb bag into the hole and allow the water to saturate the concrete mix.
Then place your post in the center mix your concrete and pour it into the hole.
Plan on making the hole for the post 3 times wider than the width of the post and 1 3 deeper than the height of the post.
A standard 60 pound bag of cts rapid set concrete mix yields approximately 0 5 cubic feet so depending on the volume of.
First consider the size of the posthole in relation to the concrete yield.
Fast setting concrete is ideal for installing fence posts since it doesn t need to be mixed in a bucket or a wheelbarrow.
Mix will set hard in 20 to 40 minutes.
Then set your post in place and use a level to ensure that it s perfectly vertical.
It is ideal for projects that necessitate a rapid set for same day use.
50 lb quikrete all purpose gravel.
Sakrete fast setting concrete mix.