Replacing Crown On Chimney

A mortar cap or chimney crown that has been improperly constructed or one that has become deteriorated over time may be the cause of water leaking into your attic through cracks or broken mortar in the crown when this happens it is sometimes better to replace the crown than attempting to repair it.

Replacing crown on chimney.

The idea is to have the water drain away from the crown image 1. A chimney crown is a concrete cap that tops the masonry walls of a brick chimney to shed water and seal the chimney s flue to the masonry. Water can get into the cracks and cause significant damage to mortar bricks and even the wooden frame of your house. A solid crown in good repair prevents water damage from.

Think of it like a roof. Eventually these cracks will compromise. Chimney crown replacement may be necessary if your chimney crown also known as the top plate or a chimney cap is cracked or damaged. Keep the edge at an approximately 1 2 3 4 height to prevent it from possibly detaching later.

Chimney crown replacement cost. Also use the mortar to seal up any holes around the crown image 2. The crown plays a vital role in the protection of your chimney by sealing off the top portion of your chimney and shedding water away from the masonry construction. Cracks that form in the crown can be particularly costly if left unrepaired.

Don t make the edge too thin.