
Destination 2.3 Insert Installation and Operation Manual
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9.4.2 Installation Raised of More than 5"
If the extension of the masonry hearth is raised at least 5" (127 mm) from the floor protection, a non-
combustible material, without an R-value, must extend at least 16" (406 mm in USA) or 18" (457 mm in
Canada) in front of the unit.
9.4.3 R Value
There are two ways to calculate the R-value of the floor protection. First, by adding the R-values of materials
used, or by the conversion if the K factor and thickness of the floor protection are given.
Содержание Destination 2.3
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