Duckback Products SC-7410-4 Natural Gloss Sealer The product is GAL NAT GLS Sealer Easy and simple use kit The product is manufactured in United States Gallon Natural Gloss Premium Translucent and Siding Sealer Will not crack, peel or blister Can be used by itself or over existing stains for a high sheen, wet-look To be used on vertical surfaces only Alkyd resin formula that is fortified with transparent Iron Oxide which provides UV protection