
Installation
(for qualified installers only)
47
© Travis Industries
8/24/2017 - 1450
42 Apex CF
Hearth Requirements
Local building codes may require a minimum hearth requirement different of what this manual states
Hearth must extend 20" in front of the faceplate when it is not elevated (see local building codes).
Hearths raised at least 6" must extend a minimum 18".
Hearth must extend a minimum 8" to both sides of the door opening (44” wide)
Hearth must be a minimum 1" thick of Durarock Next Generation Cement Board (or equivalent
material) with an R-value of 1.00. Multiple cement boards may be stacked to meet the required R-
value of 1.00. For example, two half-inch boards each with an R-value of 0.5 can be stacked together
to meet the 1.00 requirement.
Hearth must not rise more than 9-5/8" above the base of the fireplace
Face
Fireplace
7-3/4”
9-5/8”
1-1/8”
ELEVATED HEARTH
20" Min.
(Check Local Building Codes)
Minimum 1"
cement board
(or equivalent)
Ember Strip
Tile or
marble
Fireplace
Combustible
Floor
FLOOR HEARTH
Elevated hearths must be
constructed of non-combustible
materials such as cement blocks
(6” Min. / 9-5/8” Max.).
Minimum 1"
cement board
(or equivalent)
Ember Strip
Fireplace
Combustible
Floor
18" Min.
(Check Local Building Codes)
Tile or marble
No combustible
material permitted
above this point
1/8”