A Black Granite hearth is the ideal way to bring a classy aesthetic into your living space. The black granite straight hearth is supplied fully assembled, however we do recommend hiring a professional fitter to install the hearth. The hearth works well with gas or electric fires with a heat output of 3kW or below, for further details and technical information such as the rebate depth please refer to the Technical Details section below. This 36 Inch Black Granite Solid Fuel Hearth is boxed and lipped. It is suitable for solid fuel fires and features a split and rebonded design to allow the hearth to expand and contract with heat.