Latest Discussions : Miscellaneous

mikeozo

09:46AM | 07/09/05
Member Since: 09/23/03
22 lifetime posts
I am trying to find some information about how to construct a block chimney on my 2 story house.

I researched the web and could not really find any good graphics and instruction.

Basically what I will be using is 16"x22" chimney blocks and I will be using the clay inserts for the liner.

I need information from the ground up.

1. How thick and what size footer?

2. Will I need some type of cleanout tray and an acess door at the bottom of the chimney?

3. How do I tie my inside woodburner into the chimney? Is there a chimney block with a hole for the pipe? And how do you seal it?

4. What type of mortar should be used between the blocks?

5. Is there any mortar that goes between the clay liners? Or do they just sit on top of there?

6. How high above the roof does the chimney have to go?

7. What is the best way to to tie the chimney into the house?

I know this is a lot of questions, but I want to make sure I know what I am doing before I start. I have laid block and worked with concrete before.

If you can help and would rather e-mail me directly, you can do so at mikeozo@alltel.net

Thanks!!!!!!!!!!!!!!!

Mike

homebild

06:35PM | 07/09/05
Member Since: 01/28/03
693 lifetime posts
You need a double or triple walled stainless steel chimney for wood burning, not masonry.

Creosote from wood burning creates acids which will break down the clay lining in masonry chimneys, will create a fire hazard, and be generally unsafe.

And while a masonry can use special mortars on the inside that are acceptable to be used with wood burning, it is far easier for a novice to install stainless steel sections rather than build a masonry chimney from scratch.

At any rate, you need to direct your questions to your local code enforcement officer or fire department because they will have the final say as to what your local code will allow.

And by asking the questions you have, you show that you need a professional to do this job for you.


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