Chimney Flue On Roof

This extension is designed for exterior use and must be installed above the roofline.

Chimney flue on roof.

Slide the prebent and soldered chimney saddle into place behind the chimney. Place the chimney where it would be related to the stove and mark the center of the chimney on the ceiling. Drill a small hole in this spot to mark the chimney s center. And a length of 16 in.

For example an 8 x 8 square nominal clay chimney flue tile liner has inside dimensions of 6 3 4 x 6 3 4. A vertical line drawn along the up roof side of the chimney from the roof surface to the top of the chimney flue opening shall be at least 3 ft in height. Within a shingle roof the flashing is expertly woven into the shingles or roofing materials to protect the seam between the chimney and the roof. Topping out the chimney with a cap is the same as with other installations.

Seal the sides of the chimney with prebent pieces of step flashing under each course of shingles photos 4 and 5. Galvanized roofing nails about every 6 in. The venting capacity of a rectangular or square masonry flue if translated directly into actual or measured square inches of cross section is less than a round chimney flue of the same square inches of venting capacity. Flue extension 901935 features an inside diameter of 5 in an outside diameter of 8 25 in.

Call a certified chimney sweep. Traditional chimneys class 1. Chimney fires destroy homes. It can be made of a variety of materials depending on the type of roof and its pitch.

But you won t need a storm collar if there is no roof flashing. This will help determine how tall your chimney must be. For a gas vent or type l vent this height must be 2 ft 0 61m or more. When installing a chimney for a wood stove on a metal roof you ll first need to assess the position.

That means that. This is for masonry chimneys. The kind of chimney flue best suited to your home will depend on the size and design of the chimney. If you decide you can handle the heights make sure to wear a safety harness.

Notice that i use the words any roof surface in this explanation. The flue extender chimney caps come in stainless steel and copper in 1 and 2 heights. Next see if you can access the chimney crown. Extension lengthens the roof jack connection an additional 16 in.

Generally if you have a class 1 chimney. Any pipe installation above a roof that is unsupported by a chimney chase needs proper support above the roof line. If you have a very steep roof pitch or aren t comfortable working on your roof then this isn t a job for you. Adding the flue stretcher to the upstairs flue distances its smoke from the downward pull of the downstairs flue.

Typically chimney flues fall into three categories. Nail it to the roof along the top edge. Along the edges or closer if necessary to flatten the metal.