Should I seal my chimney crown?

If not sealed soon, they’ll destroy the crown and eventually the chimney. Most homeowners never think about masonry chimney maintenance beyond the occasional flue cleaning. But ignoring your chimney can cost you big-time. A cracked chimney crown or spalling bricks can easily cost $1,000 to repair.

What is a chimney crown coat?

What is Crown Coat? Crown Coat is a sealant for crowns that is flexible and waterproof. Being flexible allows the sealant to expand slightly as the cracks on your crown may slowly expand. Being waterproof allows for good water runoff, especially if the chimney does not have proper flashing, to begin with.

How much does Crown coat cost?

Chimney crown repair costs $150 to $400 to fill surface cracks with mortar or caulk and apply an elastomeric crown coat sealer….Chimney Crown Repair Cost.

Repair Average Cost
Remove Moss & Algae $100 – $300
Repair Cracks & Seal $150 – $400
Remove & Reset Bricks $600 – $1,200
Crown Replacement $1,000 – $3,000

How long does chimney crown last?

50-75 years
High-quality chimney crowns are able to last anywhere from 50-75 years. However, a poorly constructed crown could break down in less than 20 years and will cost far more to rebuild than a correctly constructed crown.

How long does it take crown coat to dry?

Drying time: Dries to touch in 30 – 60 minutes. Product cures completely within two to four hours depending on temperature and humidity. Coverage: Two coats will cover approximately 40 square feet per gallon depending on texture and porosity of surface to be coated.

How long does Crown coat last?

“The average lifespan of a crown is about 10 years,” says William D. Cranford, Jr., DMD, of Cranford Dental. But when properly fabricated and cared for, he says that crowns of any material can last for decades.

How long does a chimney crown last?

Chimney Crown Lifespan High-quality chimney crowns are able to last anywhere from 50-75 years. However, a poorly constructed crown could break down in less than 20 years and will cost far more to rebuild than a correctly constructed crown.

How much does it cost to clean and seal a chimney?

Chimneys can be high-maintenance, but sealing your chimney can help prolong its life and prevent future damage. Typically, hiring a professional to seal your chimney will cost between $200 to $300 for materials and labor.