Cinder Block Fire Pit Safe

For a square fire pit place the cinder blocks side by side instead.

Cinder block fire pit safe.

Porous rock non treated river rocks and also even cinder blocks must not be used inside a fire pit. Don t position fire pits in hazard prone zones with unfavorable winds. You ll do fine if you decide to build a fire pit out of cinder blocks. For circular fire pit you need to gradually set the first layer of cinder blocks around the circle.

If your cinder block fire pit is on a grassy surface consider removing four to six inches of soil and setting the first course of cinder blocks below ground. To help the drainage add 3 inches of gravel to the bottom of the fire pit. Conventional structure bricks will ultimately crack and require replacing gradually. After all rows of cinder blocks are in place add a three to four inch layer of gravel to cover soil and provide drainage.

Fire s can be built almost anywhere and the cinder blocks simply serve as a useful perimeter to keep in sparks and absorb heat. Do you need to use mortar if you re building one. This creates greater stability for the fire circle. About every 3 feet turn one of the blocks at a slight angle to make an opening for air to get into the pit.

If you are planning to build temporary fire pit all you need to do is stacking the cinder blocks. Place a second layer of cinder blocks on top of the first layer spanning the spaces between the blocks in the first row. Make sure that the hole in the blocks facing upward.