Fire bricksįire brick is designed to hold up to high heat environments, like inside your fire pit walls. ![]() There are 2 ways to do this, fire brick or a fire pit liner. Just because with retaining wall blocks you have the option to simply stack the stone and be done in an hour doesn’t mean that you can’t put a little more effort and investment in to make your fire pit look a bit more polished and extend its life. Extending the life of your wall block fire pit If you don’t live near a hardware store, you can find this high-heat mortar online here.Ī soft-bristled brush can help wipe off excess mortar and clean up the look of your joints in your retaining wall fire pit. Refractory cement comes in a bucket, is premixed, and ready to use. That will need to be figured into the design of your fire pit.įor a high heat area, such as a fire pit, refractory mortar, otherwise known as refractory cement should be used. When using mortar, this will typically add around. However, if you like the rustic lodge feel that mortar adds to a fire pit, you could choose to use that, as well. Mortar is optional when building a fire pit made from retaining wall blocks as these blocks are designed to be stacked into a sturdy wall with no mortar to hold it together. Using Mortar in your Retaining Wall Block Fire Pit ![]() Click here to see their current selection. Make it easy on yourself and have high-quality steel fire pit liners from Titan Great Outdoors, with or without a built in cooking grate, shipped right to your door. This inset of every row will need to be taken into consideration when determining the inner diameter of your pit, especially if you are planning on using a fire pit liner, like the one in the picture above. Rather than each new row of block fitting perfectly on the last, these lipped retaining wall blocks will recess in 1″ on every new ring.Īs you can see from the photo above, these lipped retaining wall blocks can still make very attractive pits. These kinds of retaining wall blocks can definitely still be used for your fire pit walls as well, but you just need to be aware of how this lip will affect the design of your diy fire pit. This lip is used to help secure and align the block when building walls. Some retaining wall blocks come with a 1″ lip on the interior side of the bottom of the block. Using retaining wall blocks with a lip on the bottom ![]() If you want more or less layers, simply divide the number given below by 4 and multiply by the number of layers you would like. ![]() The estimates given below are for a fire pit that has 4 layers of wall blocks, as shown in the photo below. The table below shows how many of each type of block you would need to get the size of fire pit you want to build. There are a few common sizes of trapezoid pavers: 8″x 3″x 4″, 10.25″x 3.5″x 7″, and 11″x 4″x 6″. As an Amazon Associate, I earn from qualifying purchases. *I get a commission every time you purchase a product through my affiliate link below. Depending on your design, this is a project you could start in the morning and have a campfire burning in it by afternoon.įind out how many retaining wall blocks you will need to build your own fire pit, along with other tips in the post below! How Much Wall Block You Need for a round Fire Pit Blocks used to make retaining walls not only make a great looking diy fire pit, but they also have relatively easy installation.
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