How to make
a Concrete Seat
HOW TO MAKE A CONCRETE SEAT
Page 1. Introduction
Page 2. The Plans and Material Requirements
Page 3. Making the Framework
Page 4. The Reinforcing
Page 5. Making and pouring the Concrete
Page 6. The Footing
Page 7. The Finishing Touches
Throughout this project use the above contents menu to jump back and forth as required.
The relevant pictures to the right of these step-by step instructions can be enlarged by clicking on them.
This is the
metric (mm) version
. For the
standard (ft and inch) version
Step 1: Cut the sides of the framework
The framework is the mold that holds the concrete.
The sides of the framework are made out of 90mm x 45mm wood.
Begin by cutting the side pieces according to the
Step 2: Brace the sides of the framework
Nail the side pieces together.
Brace the two sides with plywood or similar, as shown in the picture (fig.2)
Ensure that the two sides are made up in a mirror fashion of each other.
Step3: Cut and fit the framework casing
Cut all the plywood pieces, the stop end piece and the plastic pieces. Refer to
The Plans and Material Requirements list
for sizes and placement.
Fix the plywood and plastic pieces to the face side. The plywood pieces go over the top of the plastic pieces.
shows a plywood piece fixed to the face of the framework.
There is a plastic piece underneath the plywood.
Add the other two plywood pieces (over plastic) to complete the face side of the framework.
Do not add the back plywood pieces yet, as there is still the reinforcing to go in.
Step 4: The plastic cover
What's that all about? Why the need for the plastic pieces?
The plastic pieces are put there (only on the face side) so that the concrete will end up with a smooth surface once it has cured and the framework has been dismantled.
If you are not bothered by a rougher finish, then disregard the plastic.
Note that the concrete will take on the textured appearance of whatever the framework is made out of.
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