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Render/Stucco fine cracks? - Forno Bravo Forum: The Wood-Fired Oven Community

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Render/Stucco fine cracks?

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  • Render/Stucco fine cracks?

    Hi. I have rendered the outside of my oven with an acrylic render (stucco) and have started to build up fires in it. I have noticed a couple of very fine cracks on the outside.

    The render would be about 1/2 inch thick and I kept is moist for a couple of days after laying it so it would cure etc.

    The outside of the oven is quite cool when I had a fire in it last night (only up to bout 250 degrees celcius internally).

    Should I worry about them or just get on with my life?

    Also is it worth sealing the outside with some kind of concrete sealer to keep moisture out?

    Cheers
    Jase
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