Please beware if you are doing any tile work and relying on spray sealers. There has been a mandatory recall of Stand 'n Seal Spray-On Grout Sealer. The cans were sold through Home Depot and should be returned to the retailer for a full refund. The dangerous compounds in the affected batches are not noticeable by smell and can cause major respiratory damage. The company is recalling all affected batches. The batch numbers are printed on the bottom of the cans. Please refer to the Stand 'n Seal website or the U.S. Consumer Products Safety Council website for specifics. And share news of this recall with any do-it-yourselfer or tile contractor you know!