CrackMagik is a unique, breathable, silicone elastomer. Think of it as a paintable caulk used for sealing minor cracks (up to 1/8) and defects in mortar joints.
you may purchase this product online at https://www.fireplaceandchimneysupply.com/
visit us at :
https://askthechimneysweep.com/
Post time: Jun-24-2017