Next coat the inside of the large box with cooking spray mark a line 2 inches from the bottom and pour wet concrete into the box up to the line.
Pouring concrete planter box.
This project is nice because it s cheap quick and easy.
You could cast concrete.
To make concrete planters get 2 different sized boxes or plastic containers to use as molds and tape a trash bag around the small box.
Modern concrete planter box.
Gently peel away the sides as shown and tilt the planter onto its side.
As in burn to the ground rebuild from scratch type fires.
Use your drill driver and a inch bit to loosen the drain dowel and a hammer and chisel to punch it out.
This example is a planter but they could also be useful as storage cubbies.
Making a raised planter bed with concrete.
We finished our planter with a water based translucent concrete stain from quikrete.
You see the buildings were constructed from wood back in the late 70s so any flame retardant mater.