By karriven thomas. fire pits design. Published at Sunday, November 12th, 2017 - 20:51:03 PM.
One thing most people who are interested in fire pits should know is that you should think about the location of the fire pit even before you start building it, there is great importance to the location, as it will affect the frequency of use and the whole look of the outdoor space in which it is positioned. Many are to eager to have a fire pit and than build one that is too small to use for lighting proposes or for heat generation during cool nights, and unfortunately loss a lot of the potential of their fire pit. There are many reasons to why fire pits are becoming so popular and there have been many answers to this phenomena, but the real fact is the most of us just enjoy fire and like to have it around for cooking and heat, as well as for providing more character and charm to our backyards.
OXYGEN: Although there are other chemicals that can combine with fuels to produce heat, oxygen is the most common. The need for oxygen to sustain a fire in all fire pits is shown by the fact that fuels heated in a vacuum will not burn. Sorry there will be no outdoor fire pits in space! CHEMICAL REACTION: There are certain conditions under which fuels will not produce a flame, even though fuel, heat and oxygen are present. For example, if the percentage of natural gas in air is not between about 4 percent and 15 percent, no flame will be produced; your fire pit will not go!
For wood burning fire pits always use a safety screen. They come in various shapes and sizes and will help contain sparks and flying embers. Some models are sold with them, however if you are building fire pit make sure you incorporate a screen into the design. Materials used in fire pits should be carefully considered. Porous stone, non treated river rocks and even cinder blocks should not be used inside a fire pit. When placed near intense heat, they can explode. Standard building bricks will eventually crack and need replacing over time. In order to prevent this fire pits should be lined with fire rated materials such as firebricks or thick steel rings. Use fire rated mortar. Adhesives are not advised as when heated they can give off unhealthy fumes.
If You Build It, They will come Away from any low hanging trees or wires, bushes, etc.. Now that we’ve found our place to build it let’s measure out a 3 foot by 3 foot square. Here again it can be as large or small as you want. Just take safety into consideration. After our measurements for size we mark those corners of the square off. Now before we begin to dig out our fire pit, how far down should we dig it? Dig your fire pits no deeper than 3/4 of your arms length. Why that deep? Because every so often you’ll need to clean it out. Clean out the ashes, dirt and so on. This way you don’t have to climb down in it to clean it out. You’ll still be able to reach to the bottom of it with your arm or even a broom and pick up pan. Using a standard garden shovel we dig our fire pit within the measurements we marked off. Taking care to only dig about 1 1/2 deep. Or 3/4 arms length. After digging out your pit make sure that the sides of the pit are level and smooth. Removing any rocks or stones that would keep the sides and bottom from being level. The reason you do this is when you place your bricks or stone in there to make the sides and bottom, it will also be level and perpendicular. You can even use sand to help you level the bottom of it. Now that you have your pit dug out and a big pile of dirt laying up there, its time to install the interior of the fire pit. At this time you should already have your chosen bricks or rock or stone to use on the inside. You can use cement to strengthen the sides and bottom of it but I don’t see the need, since the fire will be in the ground anyway. For this case we just use regular landscaping rock or brick. Then just lay the first layer of brick in the bottom around the sides. Now fill in the rest of the bottom or floor of the pit. To make it fit right you may have to cut some of the bricks. Use a masonry saw for this. Once you have your pit floor completed, begin laying and stacking the brick around the sides of the pit. Depending on how you want to make it at the corners you can either join them together or overlap them. But to join them you’ll have to make custom cuts to the bricks. Continue filling up the sides of the pit by stacking your bricks. Once you’ve reached the top of the fire pit, you may notice that the actual fire place will be smaller. But that’s OK, we have a nice small fire pit to enjoy. From here you can do things like creating a deck out around the fire pit. Again your imagination is the limit.
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