Chimney Crown Repair Cement

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.

Chimney crown repair cement.

Chimney crowns cement chimney crown repair. Don t make the edge too thin. Contents bia recommendations construction of concrete chimney crown1. A cement chimney crown that is properly designed to overhang the outside dimensions of the chimney structure is the best solution and the one we prefer using on most chimney crown rebuilds.

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. Think of it like a roof. Because of its location at the very top. Take up this mixture of concrete and apply on the chimney around the flue in place of the detached crown.

Keep the edge at an approximately 1 2 3 4 height to prevent it from possibly detaching later. Construction procedure of chimney crowns made of concrete is discussed below. While the very top of your chimney may fall into the category of things that are out of sight and out of mind this oversight could be detrimental to the condition of your chimney. If the flue is at a height less than 6 inches the crown should be built 2 inches from the flue top.

The idea is to have the water drain away from the crown image 1. A cracked chimney crown can lead to water infiltration in. 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. Watch as i remove an old cracked chimney cap or crown made of cement and pour a new one in place.

If the flue of the chimney is about 6 inches from the top the crown must be made 4 inches from the flue top. A solid crown in good repair prevents water damage from. Construction of cast in place concrete chimney crown2. Pre cast or cast in place concrete crowns that are reinforced with steel are good solutions as well.

Chimney crown also termed as chimney cap or chimney top plate is a cover provided on the top of chimney chase to prevent the entrance of rainwater into the chimney. If your plans include the replacement of a chimney crown and if you have never replaced. See if the cement holds to.