12x48 Extension- Steel 1228 Stardust HearthSafe "Durable and safe hearthpad guaranteed to protect your flooring from the intense heat of a woodburning stove This version has an angle-iron steel edge with an anti-scratch powder coated finish Fireproof tiles 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