Protect Your WOOD with Ipe Seal® Ipe Seal® is a wax emulsion sealer proven to increase the structural integrity of hardwood decking. Once applied to freshly cut, exposed wood end grain, Ipe Seal® creates a bond that extends the life of each deck board while also preventing splits (end checking) and unsightly cracks. 1 quart per 500 sq ft. of lumber. APPLICATION Always clean dirty wood end grain before applying Ipe Seal®. Apply a liberal even coating to the end grain of the wood.