It can be made of a variety of materials depending on the type of roof and its pitch.
Chimney flue on roof.
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.
Adding the flue stretcher to the upstairs flue distances its smoke from the downward pull of the downstairs flue.
For a gas vent or type l vent this height must be 2 ft 0 61m or more.
These can mostly be located on older properties being brick chimneys built to allow an open fire to be lit underneath.
Next see if you can access the chimney crown.
This will help determine how tall your chimney must be.
Slide the prebent and soldered chimney saddle into place behind the chimney.
Any pipe installation above a roof that is unsupported by a chimney chase needs proper support above the roof line.
This is for masonry chimneys.
Topping out the chimney with a cap is the same as with other installations.
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.
This extension is designed for exterior use and must be installed above the roofline.
For example an 8 x 8 square nominal clay chimney flue tile liner has inside dimensions of 6 3 4 x 6 3 4.
Flue extension 901935 features an inside diameter of 5 in an outside diameter of 8 25 in.
When installing a chimney for a wood stove on a metal roof you ll first need to assess the position.
Traditional chimneys class 1.
Generally if you have a class 1 chimney.
Call a certified chimney sweep.
Counter flashing is placed over the step flashing parallel to the chimney.
Along the edges or closer if necessary to flatten the metal.
But you won t need a storm collar if there is no roof flashing.
Nail it to the roof along the top edge.
Drill a small hole in this spot to mark the chimney s center.
If you have a very steep roof pitch or aren t comfortable working on your roof then this isn t a job for you.
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.
2 by raising the height of a flue above nearby roofs or structures you wiil improve draft and reduce downdrafts.
That means that.
Notice that i use the words any roof surface in this explanation.
Typically chimney flues fall into three categories.
And a length of 16 in.
Extension lengthens the roof jack connection an additional 16 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.
The flue extender chimney caps come in stainless steel and copper in 1 and 2 heights.
