What is the top of a chimney stack called?

chimney crown
A chimney crown, also known as a chimney wash, is a slab of cement that covers the top of the chimney. While the chimney cap covers the opening of the flue, the crown covers the whole top of the chimney. The crown prevents water from entering the chimney.

What are the different parts of a chimney?

The following is a little about each of the 7 basic parts of a chimney.

• 1 – Chimney Flue.
• 2 – Chimney Liner.
• 3 – Chimney Cap.
• 4 – Chimney Flashing.
• 5 – Chimney Crown.
• 6 – Damper.
• 7 – Smoke Chamber.

What is a chimney corbel?

A corbel is a structural piece of stone, wood or metal protruding from a wall to carry weight. A chimney corbel, in very simple terms, is a brick bump-out. You may also find corbelling towards the top of the chimney. This type of corbelling is normally decorative and is nonessential to the function of the chimney.

Do all chimneys have crowns?

Your chimney crown protects your chimney from water damage entering through small cracks. Some experts believe that less than one percent of all chimneys are properly crowned. Most bricklayers simply finish off the chimney with brick mortar – this is probably due to expediency or lack of education.

Is the chimney considered part of the roof?

Chimneys are a vulnerable area of the roof, as they run through the whole roof into the living space below. It takes careful flashing to properly protect a chimney, including a roof cricket or roof saddle.

What is the inside part of a chimney called?

flue
The flue is the inside of the chimney. They have various designs, all with the intention of efficiently taking smoke from the firebox to the outside air. Double flues are sometimes seen in brick chimneys; metal chimneys have just a single flue.

What is chimney Flaunching?

Also known as ‘benching’, chimney flaunching is a term that refers to the strong mortar mix that holds your chimney pots in place. Created from a 3:1 sand and cement mix, the flaunching on your chimney provides a tough waterproof barrier to keep the interior of your chimney and your home dry.

Why are chimneys crooked?

A witches crook is a slight to moderate bend, or lean, in a chimney. About a century or so ago, when masons built chimneys, they would sometimes put a bend in the chimney. Folklore says that this was done because witches could only fly down a straight chimney and the bend would prevent them from coming into your home.

What is the difference between a chimney crown and a chimney cap?

Chimney caps are installed at the top of the chimney and protect the flue against water and wildlife as well as prevent sparks from escaping. On brick chimneys the cap is installed directly onto the chimney crown. The chimney crown is the equivalent to the chase cover.

Why do some chimneys have caps?

You see chimney caps are very necessary. They have two principal functions: First they keep “outside things” out and “inside things” in and they act as “the guard of the gate”, if you will. Protecting your chimney from water, snow, animals and other entry which could do you and your chimney harm!