Step 1 prepare the area before you start working on the surface of the walls trim back any vegetation around the base of the boards as much as possible.
How to do a board finish concrete wall.
The architecture of board formed concrete is an art form here are 10 tips that can help you do it right.
When you want board formed concrete you take that same plywood formwork and you add an additional layer of wood to the inside faces so that the wet concrete takes on this new pattern.
Tape a one foot by one foot square of plastic sheeting plastic kitchen wrap will do to the concrete wall in your basement with duct tape and leave it in place for 24 hours.
In the picture above you can see to concrete laborers adding this layer of wood to one side of the formwork.
Trowel a 3 8 inch layer of concrete over the wall with a straight trowel.
Screw or nail one side of the block through the joist and secure the other side to the sill plate.
It may be easier to install the braces before you install the foam board on the walls and insulate your rim joist.
Step 2 prepare the board.
On pour day we pump the concrete through a steel wall pipe.
Start at the bottom corner of one wall and in a single.
Use treated lumber if the brace will come in direct contact with bare concrete.
After thoroughly mixing the concrete pour it into the forms slightly overfilling them.
Five on forming and five on pouring.
Using a board that is longer than your pour is wide and using a sawing motion work back and forth until the concrete is level.
Wet the pointing trowel and hold it upside down as you scoop the mortar loading up its lower side.
Apart so they work as drywall backers too.
Allow the concrete to dry for approximately 30 minutes until most of the moisture is gone from the top.
Spray the wall with a light mist of water.
Then take a straight board a 2x4 piece of lumber works great as long as it isn t bowed and simply level off the concrete.
Our crew places the concrete in 2 foot lifts working all the way across the wall before moving on to the next lift.
See more on how to insulate basement rim joists phil places his blocks 2 ft.
You want to be able to reach all the way to the bottom of the form and place the concrete in lifts before pulling the pipe up and pouring another lift.