The steel fits into slots and holes in the concrete form so the concrete flows around it perfectly. These forms are easy to snap together with no tools, and they’re easy to level on compacted soil.

Reusable Telescoping Forms Make Pouring Concrete Easy. It sure beats trying to find straight boards. By Roy Berendsohn Published: Oct 08, 2015 9:39 AM EDT. Media Platforms Design Team.

Cast-in-place concrete retaining walls are built by pouring a liquid concrete mix into forms. Before pouring, steel rebar is usually placed into the forms according to an engineer's specifications.

Floor for outbuilding. A 3- to 4-inch slab will work for the floor of a storage or tool shed, workshop, garden shed, or playhouse. Steps to pouring a concrete slab ...

8. Distribute. Hoe the concrete to distribute it evenly in your form, with a flat top surface. 9. Screed. Level your concrete by dragging a screed board (straight 2 x 4) evenly across it.

The concrete-pumping step is a bit like 3D printing, though 3D printed homes use concrete as printer “ink” to put walls down layer by layer rather than spitting all the concrete into a form at once.

Traditional concrete forms can be aligned using special screw bracing so the walls are perfectly straight. This takes minutes to do with traditional forms, but with ICFs it might take awhile ...

Stanton Williams designs textured concrete forms for UCL’s Marshgate building. ... concrete walls on the lower floors were treated with an abraded finish to reveal the aggregate and its detail.