Of course it reduces construction time if you build the pit on an existing concrete slab.
Can you build a fire pit on concrete patio.
Place a level on top of the layer making sure it is level all the way around.
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.
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.
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.
You place these heat resistant accessories between the fire pit and the concrete patio wooden deck underneath to protect your patio.
Fire pits are usually 36 44 inches in diameter.
Use a shovel to outline the perimeter and then remove the blocks.
Determine where you want the fireplace on your patio.
Concrete does expand as it is exposed to high temperatures which can cause the concrete to crack.
With this simple installation you can place the fire pit on a concrete slab and be able to use it.
You can put something under your fire pit to stop the heat transfer dead in its tracks.
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.
So yes wood burning fire pits can damage concrete patios.
So it is the perfect surface for your fire pit.
You really only need a fire pit heat shield if you plan on placing your fire pit on a wooden deck lawn or patio.
Concrete is not made up of combustible material and it lacks flammability.
What do you put under a fire pit to protect your patio.
That being said the solution to prevent this kind of catastrophe is remarkably simple.
Decorative fire pits can be found at major retailers and offer the same warmth and function as a diy stone or paver fire pit.
Fire pit pads are protective heat shields.
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.
Remove the sod and dirt to a depth of about seven inches from inside the perimeter that you marked.
A concrete fire pit base prevents erosion and accidental excavation each time the fire pit receives a cleaning.
Concrete provides a sturdy surface for placing a 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.
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.