Glaze ‘N Seal 773, Slate Sealer, 1 Gallon, ClearCondition:* New Surplus Stock, In OEM Packaging. As Pictured.Additional Notes:* A clear acrylic water base finish designed to protect and beautify slate, flagstone and quarry tile. * Protects against all organic stains including cooking oil, grease and beverages. * UV resistant. * It may be used indoors or outdoors and is extremely easy to apply and maintain. * It is LEED eligible.* Water base* Low gloss / film forming* Ideal for denser stone & brick* Protects from stains, oil and grease* Non-yellowing* Efflorescence resistant* Low VOC formulaGlaze ‘N Seal 773