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This is an installation guideline only. Local codes on the installation of stone mantels
may vary and should be checked. A general knowledge of masonry skills is
assumed.
Click here to download a printable version of “Installation of Stone Mantels” in a Word format.
“Installation of Stone Mantels” sections:
THE HEARTH:
The first step in mantel installation is to
attach the hearth to the subfloor. The hearth sections are set by applying a
layer of thinset mortar to the subfloor and to the bottom of the individual
hearth pieces and then carefully positioning the pieces in the same manner that
tile would be set. In some cases, a thin bed of brick mortar may be required
for leveling.
If the subfloor is
made of wood, OSB, or any other non-masonry material, we recommend that a layer
of backerboard be placed (without mortar) on the subfloor and that the hearth
be attached to the backerboard.
Backerboard with hearth
Raised Hearth:
A substructure
should be built from CMU, brick, or other masonry material. A wood substructure
is recommended only if the subfloor is wood or OSB and weight is a
consideration. Wood substructures should be covered with backer board. Next,
set the hearth on the substructure as described above and clad the sides of the
substructure using the same procedure.
Hearth set on top of substructure
Cladding front and sides of substructure
Completed raised hearth
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