Q&A Equation to see if combustible surface is to hot?

QandA Posted By QandA, Dec 1, 2007 at 2:17 AM

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  1. QandA

    New Member 2.
    Staff Member

    Nov 27, 2012

    Someone told me that a way to check to see if a surface was getting too hot was to take the ambient temperature plus a certain number of degrees. Does anyone know the number of degrees for this equation?


    I assume you are talking about combustible materials close to a fireplace or stove; such as a wooden mantle or trim, or a combustible wall. The allowable temperature is 117 degrees F plus ambient or room temperature. Some wood burning standards simply refer to 190 degrees F as the maximum which is roughly the same thing in most cases.
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