Durable and safe hearthpad guaranteed to protect your flooring from the intense heat of a wood burning stove. This version has an angle-iron steel edge with an anti-scratch powder coated finish. Natural cut slate coupled with the completely fireproof construction allows this pad to function as both a flame arrestor and a thermal barrier. This special grout is stain resistant making this hearth pad maintenance free. Single piece of angle-iron is notched and welded in one place for un-matched durability. It has been constructed with the latest and highest quality Latex Modified Cements and Grouts are used in construction to ensure that there are no grout cracks. Please size your hearth pad appropriately to meet local Safety requirements and the requirements of your appliance as listed in its manual. Features: Frame: Powder Coated Steel. Base: Rigid Cement Board. Certification: UL-1618 by Omni Test Labs. Warranty: 1 Year Workmanship, Lifetime Burn-Through. Specifications: Thickness: 1.25". Overall Dimensions: 54" (W) x 54" (D) x 1.25" (H).