On this technique of the week jason shows you how to pour a concrete fire pit monolithically.
Fire pit concrete mix.
Ensure the formwork is level and then secure it using a couple scrap 2x3 pieces of wood.
Walttools firepit liners are a great start to a backyard focal point.
Mix and pour the concrete foundation layer about 3 thick.
Sakrete high heat mortar is a dry medium duty mortar ideal for setting masonry units in fireplaces fire pits or chimney applications such as setting clay flue liners and paring a smoke chimney chamber.
This specially engineered blend of specific cements and aggregates gives the mortar unique heat resistance and thermal characteristics for use in high temperature applications.
Use a compass and piece of chalk to mark a circle on the concrete measuring 3 feet in diameter.
It has high heat resistant characteristics and excellent strength properties.
Make sure concrete fills all corners and let this layer cure for about 20 hours.
Concrete fire pits are not difficult.
Yes they take some parts and pieces and a little know how but you can be burning with your neigbors soon enough.
How to build a fire pit on concrete step 1.
Drive stakes into the ground and then wired rebar horizontal pieces into place.
Whether you want a small 3 foot enclosure for wood or a firebowl or a 4 to 5 foot party pit these liners can get you there.
Each 8 2x10 yielded one of the 49 pieces and enough left over to make one of the smaller inner form pieces.
I assert that all fire pits should be lined with fire brick and fire clay mortar.
Place the dry ready mix mortar in a wheelbarrow add the package recommended amount of water and stir thoroughly.
The following products were featured in this technique.
The aggregates will heat up and expand and might potentially pop or explode.