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Small cracks are and always has been a part of owning a Wood Fired Oven. In this video we take you through the common cracks you're likely to see in your Wood Fired Oven.
Please note that it is completely normal to see some hairline cracking in your oven, in fact we can guarantee that you will! This is because you’re heating up a rigid, ceramic structure to extremely high temperatures, which creates thermal stress in the brickwork. To relieve this stress, the oven will develop several small cracks, usually around 1mm in width. It’s common to see a crack starting at the base of the dome that runs all the way up to the keystone, as well as some fine cracks in the mortar joints of the Vent Arch, and around the Flue Gallery. You’ll also see some cracks in the Perlite Render radiating from the junction with the Flue Gallery.
Don’t let these cracks concern you at all. You should be expecting them. This cracking is normal and there’s nothing that you can do to prevent it. Cracking is and always has been a part of owning a Wood Fired Oven. What’s important to know is that they won’t get worse over time, they’re just there as thermal stress relief.
If you get a large crack in your mortar (over 2mm width) then we have repair materials that can be sent out to you, however this is rare, and is usually due to the oven being over-fired early in the curing stages. Any cracking in the Perlite render will be covered by the roll-on acrylic coating that you’ll apply once the oven is fully cured.
Our Wood Fired Oven Kits are available in Australia, the USA and the UK! Check out the links below:
Australia: melbournefireb...
USA: www.flamesmith...
UK: www.kennedyfir...
CREDITS
Videography and Editing by SUB AERO MEDIA: www.subaero.me...