FIGURE 2: SINGLE OPENING FIREPLACE SYSTEMS
FIGURE 2a shows a fireplace installation where the floor joists are located below the hearth (raised
hearth system.) FIGURE 2b shows a fireplace installation where the floor joists are located at the
same level as the hearth. Note the changes in hearth depth required for these two different types of
installations. FAILURE to observe proper clearances will increase the potential for a fire in the
home due to improper installation.
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