Height Violations: The 3’:2’:10’ Rule
For Safety purposes, building code requires that a chimney must meet the 3:2:10 requirement. The 3:2:10 requiremnt states that the chimney must terminate at least 3 feet above the highest point of the roof that it penetrates, and be at least 2 feet higher than anything within an imaginary 10’ horizontal radius encompassing the top of the chimney.
This requirement is primarily for two reasons:
1. To ensure nearby combustible objects are less likely to catch fire. Objects such as trees, roof gables, walls, etc. must all be kept at a respectable distance to prevent an unintentional fire.
2. To keep your fireplace from smoking into your home by trying to ensure the chimney will draft properly. If the top of your chimney is too close to an adjacent object such as a tree, wall, or nearby building, wind may create a high pressure plane that may push air down your chimney and force smoke into your home. In some situations, even though your chimney meets minimum height requirements, it may still need to be extended higher in order to draft properly.
If your chimney is not tall enough to meet minimum building code, A to Z is very experienced at extending chimneys to their proper heights. When it comes to your chimney’s safety and performance, A to Z goes to great “lengths” in ensuring your safety and comfort aren’t “short” changed!
A chase pan is like a roof over your prefabricated chimney and your chimney needs one to keep out water! Call on A to Z to make this and other needed repairs so you don’t have to worry.
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Your employee was on time and very careful about cleanliness! I appreciated the fact that he took the time to not only put tarps down in front of my fireplace, but also everywhere he walked as he came in and out of my home… I have had my chimney cleaned by several companies over the years, and I don’t think I remember anybody being as careful to keep it clean as A to Z!
Also, another difference I noticed was the fact that your guy was here about ½ hour longer than any other chimney guys I’ve had in the past. Not only did it seem he was more meticulous and concerned about doing a thorough job, but he also put a Chim Scan Camera up into my chimney after cleaning to make sure there were no dangerous cracks or gaps.
You guys weren’t the cheapest in town, but I feel I DEFINTELY got a better value with your company than any others I’ve used in the past. You took more time, did a better job, and thoroughly answered all of my questions in terms that I could understand.
Great job from start to finish! Now that I’ve found you, I’ll use A to Z exclusively from now on!
~ Greg and Marsha Johannson, Granite Bay, CA
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