Building A Brick Fireplace And Chimney

2 building codes require hearth extensions of 12 in.

Building a brick fireplace and chimney.

Periodically use a level to make sure the brick wall is level both horizontally and vertically. There are however several that are accepted nearly everywhere. As the fireplace gets high enough start laying the flue tiles and seal them with mortar. Clay tile metal and cast in place.

Building a brick chimney. Flue tiles can be hard to place if the chimney gets too high. 400 mm in front of the fireplace opening. If the fireplace opening is greater than 6 ft.

300 mm on either side of the opening and 20 in. All local building codes require the use of chimney liners for the safe and proper venting of a fireplace. This is the companion video to our recent article on building a rumford style fireplace. A chimney is a very important addition to the home.

In all this fireplace required 75 firebrick for the firebox about 600 brick for the backup walls and throat 700 brick for the shell and 1 100 brick for the chimney. After this time light a small fire in the fireplace to test the chimney and make the right adjustments if needed. Chimney wall thickness should be a nominal 4 in. 200 mm on each side of the fireplace opening and 16 in.

Once the brickwork is finished the chimney cap can be placed. Lay the brinks on top of each other building up the chimney s walls on each side. 25 mm airspace between the combustion chamber and the brickwork surrounding it and the functional voids of the fireplace such as the smoke chamber. Through the chimney all the toxic fumes and gases are eliminated into the atmosphere.

The measurements of a chimney are a minimum of four inches bigger in all directions than the flue. Of brick is laid between them and bonded to the chimney walls. Outside chimneys can be only one inch from the outer wall of the home. There are three main types of liners.

Adjust if needed before the mortar dries. Wood kindling and other materials that may travel up the chimney must be at a minimum of two inches away from the outer part of the chimney. Model building codes also require that the hearth extend a minimum of 8 in. Building code requirements for chimneys may vary on a local basis.

Clay tiles are inexpensive but they do not withstand the rapid temperature changes in a chimney as well as other materials. Chimney chimney bricks chimney building chimney building. There need to be at least four inches between the chimney bricks and all four sides of a flue tile. The only exceptions are the air passageway the ashpit the 1 in.

All void areas within the body of the fireplace from the foundation through the chimney should be solidly filled with masonry mortared in place. While photographing the article build a fireplace brick by brick with experienced mason mike mehaffey deputy editor matt millham brought the fine homebuilding video team along to capture the process of building a modern fireplace inspired by the classic rumford design. As you are building the outside of the chimney lay the flue tiles at the same time and use the mortar to seal them together. There are 12 steps to the fireplace.

On the exterior the chimney is brick and the wall is veneered with brick.