In the video above david odell of odell complete concrete shows how he forms and places concrete stairs between walls on a project in the los angeles area.
How to form concrete steps between walls.
If steps are longer than 4 feet install stringers to support risers and keep stair lines straight.
How to pour concrete stairs.
Set riser boards to the marks and fasten them to the walls or side boards.
Building formwork when forming between walls or other flat surfaces such as plywood where you will be able to mark riser locations positioning risers is easy.
Tap the sides of the forms and risers with a hammer and jab a 2x4 up and down in the mix to drive air bubbles out.
Before pouring concrete steps coat the forms with a release agent.
These liners are used with integrall.
Tug the wire up to keep the spreaders out of the concrete.
Concrete step form liners these are from butterfield color are used to texture the edges of steps with stone patterns.
Mix the concrete and bring it to the site in wheelbarrow loads.
As your forms fill watch for the concrete to reach the wood spreaders.
Shovel the concrete inside the forms starting with the bottom step and working up.
Carlos started by spreading out the bed of 2 stone.
A set of stairs already exist but an electrical upgrade triggered the requirement for three feet of standing space in front of the new panel.
Measure and layout stairs.
A split riser allows you to remove the forms without damaging wet concrete.