Based upon the age of the chimney he repointed (more than 100 several years outdated), following the mortar cures (treatment times range, Look at the label on the mortar), Mark will utilize a waterproofing agent to your chimney. Mark suggests 1st cleaning the chimney exterior with a masonry detergent, then https://tysonccbay.bloggip.com/28108102/the-ultimate-guide-to-chimney-cap-replacement