What’s the best way to install a cap on a masonry chimney? A: The chimney cap I’d build would be a reinforced, sloped concrete slab that would overhang the edges of your stone chimney by about ...

Q. After our brick chimney deteriorated severely, we had the top six rows of brick replaced and a new concrete chimney cap put on top. The first year went fine, and we were happy with the work.

If I were transported to your home, here’s how I’d construct your new chimney cap. I’d gather the following materials: a sack of pure Portland cement, rubberized asphalt membrane material ...

DEAR TIM: Our house has an unusual chimney made with irregular stones. The existing cap is in poor shape and I’m worried about damage. Each contractor I talk with has a different solution and ...

A chimney cap costs between $75 and $1,000 to install, with an average cost of $300. Chimney caps protect a home’s chimney and keep indoor temperatures stable.