In stucco or masonry walls, small hairline cracks can be filled with a butyl rubber or a silicone rubber caulking compound. This is advisable only for small cracks that are about 1/16-inch wide.

When you see groups of cracks that are ¼ inch and thicker, groups of cracks, or cracks in load-bearing walls, it’s best to call a forensic engineer for an assessment.

Dear James: I added a family room with a fireplace to my home last year. The solid brick chimney has developed several long cracks through the bricks and the mortar.

Or does it? Plus, what you need to repair a stone fence crack. Send your home improvement questions to [email protected]. By Mark Philben Globe Correspondent,Updated January 2, 2025, 10:57 a.m.

The masonry crack in the main wall was repaired in the same fashion.” * “North side of the building had the cracked section removed and re-mason of the mortar joints.