his product has to be installed inside with LTC GREY mortar adhesive. Slate oxidation is a natural phenomenon and our slate natural stones could be affected if it is in contact with humidity. To minimize the effects a sealer could delay or mitigate this phenomenon. Impex Stone may not be held responsible for this natural process at any time.
Height 5 7/8" Length 23 5/8" Thickness 3/8 à 3/4" Weight 35 lbs Sf/Box 5.8 pi2 Qty/Box 6