Concrete is not made up of combustible material and it lacks flammability.
Can you build a fire pit on concrete patio.
You really only need a fire pit heat shield if you plan on placing your fire pit on a wooden deck lawn or patio.
Knowing how to protect concrete from fire pits is key here as is knowing whether you want to place your fire pit on a concrete slab in the first place anyway.
A concrete fire pit base prevents erosion and accidental excavation each time the fire pit receives a cleaning.
Fire pits are usually 36 44 inches in diameter.
For a square or rectangle fire pit temporarily lay out the first layer of concrete blocks for your design on the ground and check the layout for square.
Decorative fire pits can be found at major retailers and offer the same warmth and function as a diy stone or paver fire pit.
While you may want to create a large paver or stone fire pit for your home on a nice concrete slab this can cause damage to the concrete.
Determine the circumference of your fire pit and divide that number in half.
Fire pit pads are protective heat shields.
Use a shovel to outline the perimeter and then remove the blocks.
That being said the solution to prevent this kind of catastrophe is remarkably simple.
You can put something under your fire pit to stop the heat transfer dead in its tracks.
How to build a concrete paver fire pit the first thing you are going to do is determine the size and location of your diy fire pit.
Lay a row of wall block stones in a circle in the approximate size and shape of your fire pit on top of your paver patio.
Determine where you want the fireplace on your patio.
With concrete as a base a patio serves as an optional surface for the installation of a fire pit or you can pour a special concrete pad on which to place your fire pit.
What do you put under a fire pit to protect your patio.
Place a level on top of the layer making sure it is level all the way around.
The answer to both these questions is yes you can place a temporary or a permanent fire pit over concrete but the high heat is going to damage the concrete eventually.
Of course it reduces construction time if you build the pit on an existing concrete slab.
To avoid such damage choose a prefabricated fire pit with legs so it can be placed on the concrete but without causing damage.
You place these heat resistant accessories between the fire pit and the concrete patio wooden deck underneath to protect your patio.
With this simple installation you can place the fire pit on a concrete slab and be able to use it.
After you ve chosen the area and size grab a string or rope and tie it to a straight object pencil stick spray paint can.
Concrete provides a sturdy surface for placing a fire pit.
Remove the sod and dirt to a depth of about seven inches from inside the perimeter that you marked.