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14 <br /> 3.3.2 HEARTH EXTENSION <br /> EN 00 <br /> 4-Pee,-,1:. �l / . <br /> - <br /> An acceptable 61'/2"(1562mm)x 20"(508mm)non-combustible SEE <br /> (ie:brick,stone or ceramic tile)hearth extension must be installed. HEARTH <br /> Hearth must extend 20"(508mm)in front of the faceplate when .0 EXAMPLES <br /> it is not elevated(see local building codes). Hearth must extend <br /> a minimum of 12"(305mm)to both sides of the appliance[70" <br /> (1778mm)]. <br /> Hearth must be a minimum of 1"(25mm)thick cement board(or <br /> equivalent)plus•1/4"(6.4mm)ceramic tile. <br /> Ensure that the gap between the appliance and a combustible <br /> hearth extension is sealed with sand/cement grout or covered with <br /> a metal strip(or both)to prevent sparks and embers from falling <br /> into this area. /• -44,0 . 0.110. <br /> �, ��V1 <br /> HEARTH EXTENSIQIy <br /> Elevated hearths must be constructed of noncombustible materials �� "s,, . <br /> such as cement blocks or bricks. �- - <br /> While the appliance can be installed directly on the floor,a non- <br /> combustible <br /> hearth extension is required in front of the appliance, <br /> that must not be built higher than the bottom of the appliance <br /> faceplate. It may therefore be advisable to build the appliance on a raised platform. <br /> Hearths raised minimum 6'A"(165mm)must extend a minimum of 18"(457mm). <br /> A raised hearth together with the appliance built on a raised platform is recommended for easier wood loading <br /> and fire viewing. <br /> W,115-1642/041516 <br />