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What Our Industry Is Missing

2/3/2025

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​I recently read that people spend much of their spare time on smartphones and the internet. Hey, with so much information and entertainment, why pick up a book or learn a new hobby when you can watch someone else in an app? The desire to discover, learn more, understand, and be the best is diminishing. Instead of scanning the entire flue, searching every crack and joint, the inspection often stops at the vertical crack in the flue tile. It’s like a “good enough” mentality. When it comes to chimneys, if defects are missed, is this ever “good enough”? It seems that we, as an industry, are failing the American Public.
Insufficient or poor-quality information
I’ve been sent reports from homeowners all over the US. They are concerned, and from these reports I’ve seen, they have a right to be. Some of these reports have been from industry “leaders.”
In these reports, confusion is woven into many of the inspection reports I’ve received. Some contain a multitude of pages (up to 20+). Some have paragraphs on some pages, and several pages later, the corresponding image sits surrounded by other images. Connecting the paragraphs with the photos is impossible in the homeowner's eyes. In addition, I’ve picked up on some defects from the pictures not mentioned in the report and incorrect information in the report.
Some sweeps still use the old single fireplace with checkboxes from almost four decades ago. The customer wonders what a fireplace form has to do with their oil boiler and gas water heater. Then there’s NFPA 211 Chapters 14 and 15, along with the inspection items, which aren’t listed on these old forms. 
 Some reports contain technical jargon and scary words like condemned, house fire, death, etc. The customers don’t understand what’s going on. They feel pushed and aren’t sure where to turn to get their questions answered. Sometimes, a competitor straightens them out. Other times, they find us online and send us copies of their reports. This is a credibility wrecker within this industry. 
Customers won’t buy something they don’t understand.
Customers who don’t understand why they need a repair may get a second opinion because the report is weighted in technical jargon and scare tactics. It’s essential that the customer understands the defect first and then is presented with a solution written in an easy-to-understand manner. That’s called solution selling. Present the defect so the customer understands the problem. THEN, present the solution, which usually sells itself. Customers feel better because they “get it,” they are making an informed decision, and aren’t pressured by threats such as “Your house will burn down.”
No unity of inspections
In 1998, a group of chimney specialists created Chapters 14 and 15, including the Levels of Inspection and the inspection items in the NFPA 211 Annex. The goal was to eliminate confusion about chimney inspections and streamline the industry. This created the chimney industry Standard of Care. Unfortunately, not all chimney inspection technicians use this information, even today, 25+ years later. 
Imagine if each airline pilot's prep before a flight with 250 people wasn’t standardized with an industry-standard preflight checklist. Some might take shortcuts. Others will take a long time to check everything. But no one would be on the same page. This lack of coordination historically resulted in accidents. When there is no consistency, problems arise. This is happening in our industry.
The future of our industry depends on unity, particularly chimney inspections. This was the goal in 1998, which was the thorn in everyone’s side).
If our industry continues to ignore the Levels of Inspection and not follow the requirements set forth in NFPA 211 Chapters 14 & 15 and items in the Annex, it will not end well. Usually, this happens with litigation. It is already happening. It’s called failure to report. That’s also in NFPA 211. NFPA 211 Chapters 14 & 15 are now case law. The precedence is set. If you are not following the Inspection of Existing Chimneys (chapter 14) and hitting these items, it’s just a matter of time. It may lead homeowners to get rid of their fireplaces.
An old, outdated chimney inspection form that does not follow the NFPA 211 Guidelines.
This is an outdated inspection form used by some sweeps to cover a variety of installation types. It is MISSING inspection items set forth in NFPA 211, Chapters 14 & 15 and the Annex which is the Chimney Inspection Industry's Standard of Care.
There are 8 forms with a variety of chimney type.
Here is an example of modern inspection forms by installation type. Each form has a multitude of applicable checkboxes for that type of installation. There are eight installation type forms available. These are the Flue & Hearth Notes™ Inspection Forms. Click on the image for more information.
A lady looks at a report, holding her head with a confused expression on her face.
Customers become confused when they read a report with technical terms. It's important to understand the defect first, then to be presented with a solution, preferably options.
A blue book with this copy on the front: NFPA 211 Standard for Chimneys, Fireplaces, Vents, and Solid Fuel-Burning Appliances, 2024.
The National Fire Protection Association (NFPA) publishes the 211 Standard. This is the Standard for Chimneys, Fireplaces, Vents, and Solid Fuel-Burning Appliances. Within this book in chapters 14 & 14, and items in the Annex, is the chimney sweeping industry Standard of Care. It is case law.
​Individuals other than sweeps can do chimney inspections.
Other trades are already doing chimney inspections, and Home Inspectors do chimney inspections as part of an entire home inspection. More and more people are learning about NFPA 211 and the inspection items. Most are interested in performing the best inspection possible, and many are already following NFPA 211.
Each member of a company or team should retrieve the correct and consistent information.
How often are there inconsistencies within your organization? Are all of your technicians catching everything? Or are they stopping at the first crack or sign of a chimney fire, writing an estimate, and leaving without a full inspection?
As an industry, we must step up to the plate. We must perform a full inspection, checking everything, including the little things. We need to explore, discover, and follow all of the inspection criteria set forth in NFPA 211, Chapters 14, 15, and the Annex. After all, every chimney is a little different, although the defects are usually the same. If you are not using NFPA 211 as your guideline for inspections, then please take it out of your proposals & estimates. This way, if something goes bad, at least you didn’t incriminate yourself.
Four pages contain a report sectioned into 8 drawings of fireplace transition points. Pictures of the damage are shown on other pages.
The Flue & Hearth Notes™ Summary Forms give you the opportunity to create an easy-to-understand inspection report for your customers. You can add images that correspond with the areas of the installation. There are also definitions for three conditions: Operational Ready, Operational Deficient, and Hazardous. Each section has a "traffic light" so you can mark that section appropriately. These forms are available for 8 inspection types" Masonry Fireplace & Chimney, Masonry Fireplace with an Insert, Masonry Fireplace with a Hearth Stove, Masonry Thimble Chimney Venting a Solid Fuel Appliance, Masonry Thimble Chimney Chimney Venting a Liquid Fuel(s) Appliance(s), Prefabricated Fireplace & Chimney, Prefabricated Chimney Venting a Solid Fuel Appliance and Prefabricated Chimney Venting a Liquid Fuel(s) Appliance(s). Click on the image for more information.
#chimney inspection, #chimney industry, #NFPA 211, #National Fire Protection Association, #Hazardous chimney, #Operational Chimney, #masonry chimney inspection, #fireplace inspection, #prefabricated chimney, #inspection forms, #Inspect solid fuel appliance, #inspect liquid fuel appliance, #Inspect chimney, #chimney sweep, #home inspector, #Chimney inspector, 
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The Seven High-Resolution Cameras of Chim-Scan®

1/31/2025

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​Our cameras feature a high-resolution chip for taking images and videos during chimney inspections. These cameras provide focus from 2” to infinity and beyond. Each camera will need a Chim-Scan® Unit to run it. 

Here are our seven cameras and their applications:
The J3D™ Camera has two cameras. A top camera for straight-up views and a side camera with a 0-90° tilt. The camera rotates continuously in a 360° pattern without having to hold a button. You can adjust the rotation speed from slow to dizzy. We do suggest a slower speed when recording a video. You can stop rotation at any time to take a photo. The J3D has 30 dimmable LED lights to brighten even the darkest chimneys. There are two rows of 9 lights above and below the side camera and 12 on top of the second camera. Both white and orange stabilizers and a rod adaptor are included.  

The Lighthouse™ Tilt Camera is the bottom half of the J3D. It features 360° of continuous rotation without having to hold a button, and the rotation speed can be easily adjusted. The camera includes a 0-90° Tilt and 2 rows of bright LED lights that are dimmable. Both white and orange stabilizers and a rod adaptor are included. 

The Mini-Enviro is the New Version of the Enviro.
Mini-Enviro™ Camera Lineup
The Mini-Enviro Camera is a high-resolution camera with 9 bright LED lights and has four different ways to use it. This economical camera provides high-resolution images and videos when inspecting chimneys, chases, attics, crawl spaces, and other hard-to-reach areas. The Mini-Enviro™ and the JS Ball ™ are priced attractively and are a great addition to your system to have as a backup camera. Here’s our lineup:

Our Mini-Enviro™ Camera set in a bracket provides high-resolution images and videos from a side view for detecting defects when scanning flues. It is set into a 3-D bracket and includes a built-in new-style mini whisker with orange and white stabilizers and a rod adaptor. The bracket is called the scanning bracket and is the most popular style. And is the standard for the camera. When you order the Mini-Enviro™ with other brackets, you won’t get this bracket. To rotate the camera, you must manually turn the chimney rods. It is a power-packed yet economical camera. 

Our new JS Ball with Mini-Enviro™ Camera was originally custom-designed for a customer, but it worked so well that we added it to our catalog. It also captures high-resolution images and videos. This camera is fixed at a 15° angle for viewing multiple interior chimney defects such as misaligned flue tiles, open mortar joints, cracks, damaged liners, and more! Like the Mini-Enviro™ Camera above, the chimney rods must be turned to scan the flue using the barber pole and reverse barber pole method. This small camera measures 5¼" high, 2" wide when facing head-on, and 2 ½" from front to back.  It also includes orange and white whisker stabilizers and a rod adaptor. 

The Dryer Vent Camera Plus™ is a Mini-Enviro™ enclosed in the Dryerball bracket (less than 2.5”) with a probe to navigate 90° elbows. The Mini-Enviro Camera is enclosed in a ball. This system includes a 35' no-kink continuous flexible rod (a 50’ custom rod is available) and a case with an easy-access cutout.

Our Mini-Enviro™ Camera on the Wired Gooseneck Rod is excellent for hard-to-access areas such as ash pits, fireplace smoke shelves, and other hard-to-reach places where a flexible camera and rod are needed, like attic spaces, wall cavities, smaller woodstoves when inspecting the interior and chases.
​
The Mini-Enviro™ is permanently attached to the Gooseneck Rod and cannot be removed. This protects the camera from falling off, and when it is paired with a painter’s pole, it’s even more stable.

The Mini-Enviro™ Camera on a Painter’s Pole provides high-resolution images and videos of challenging areas such as crawl spaces, unfinished attics, chimneys that are too far from the access door, and other hard-to-reach areas. It features 9 bright LED lights, a wired flexible Gooseneck Rod, and a wired telescoping 16’ painter’s pole. It is also ideal for checking gutters. To see images of it in use, click here.

These cameras cover a multitude of applications. Remember, each requires a Chim-Scan® Unit for smooth camera operation, video and image capture, and storage option.
Picture
A cylindrical Chim-Scan J3D camera with bright lights is shown in a flue tile.
The J3D includes a top and side camera with variable speed continuous rotation, and 0-90 adjustable tilt.
A cylindrical Camera has two rows of LED lights, above and below the tilted camera lens.
The Lighthouse™ Tilt with continuous variable speed rotation, 0-90 tilt, 18 dimmable LED lights, orange and white stabilizers and a rod adaptor.
The underside of the hearth shows burnt plywood near the ash dump opening.
This image was taken with a Chim-Scan® Camera. Note the defects it captured.
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Our Mini-Enviro™ in a bracket is used for scanning flue interiors.
A small chimney camera is set into a round plastic ball at a 15 degree angle.
Our JS Ball with Mini-Enviro is a small camera fixed at a 15-degree angle that provides high-resolution images.
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The Dryer Vent Camera Plus™ includes a Mini-Enviro™, 35' of no-kink hose in a case with easy access cutout.
A small cylindrical camera is attached to a flexible wired rod.
The Mini-Enviro™ camera on the Wired Gooseneck Rod is a popular camera addition. It fits in tight spaces and is easy to use.
A chimney camera is attached to a flexible rod on a pole.
The Mini-Enviro™ and Gooseneck Rod are permanently attached to a pre-wired adjustable Painter's Pole. Great for hard-to-reach areas.
A man uses a camera on a pole to get closer to the chimney exterior.
These are just some of the uses for the Mini-Enviro™ with Flexible Gooseneck Rod on Pre-wired Painter's Pole.
Chim-Scan® Units
A strong case and a lighter case both show controls, a monitor and battery pack.
The Chim-Scan® 211 Unit is shown on the left. The 100 Unit is shown on the right. We manufacture these units and our cameras in Iowa, where we also offer upgrades and repairs of broken equipment.
#chimney inspection camera, #chimney camera, #flue inspection, #fireplace inspection, #chimney inspection, #Mini-Enviro, #J3D, #Lighthouse, #attic chimney inspection, #inspection under fireplace, #rotating chimney camera, #camera for crawl space
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The importance of chimney scanning for building code authorities, home inspectors, and insurance adjusters

1/21/2025

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​Whether performing chimney inspections or reading a chimney inspection report, one thing is clear: It is hard to argue with a high-resolution picture taken during a chimney inspection with a camera showing defects deep inside the flue. A chimney inspection done with the naked eye is no comparison to an internal chimney scanning. I used a 5’ chimney prop with hidden defects in the chimney inspections and classes I taught for 21 years. Almost 99.9% of the time, the inspectors missed an opening defect within the flue by inspecting only with a flashlight and the naked eye. These defects were only 17” from their face. 

Images and videos from scanning chimneys are one part of the equation. If you read a report with multiple pictures, can you understand what the defects are and what caused them? Here are some other questions to consider:

1. Can you identify and define “What is a defect?” within the chimney interior?"
2. Can you determine how the defect was created or the most probable way it was created?
3. Did you rule out other causes and conditions, leaving probable causes as to why the defect is there?

In my forty years in the chimney industry, I have accumulated a lot of images, videos, and knowledge regarding chimney construction and defects. I have also spoken at national and state organizations and taught at a national trade organization school for over twenty years (Chimney Safety Institute of America). 

This wealth of experience led me to envision a way to share this information with the chimney industry and anyone interested in internal chimney inspections, culminating in the following book. The Chimney Scanning & Inspection Guide.
Within this book is a brief outline:

• Where to start – Use IRC, NFPA 211, local codes, or the manufacturer’s installation instructions.
• Where to put drop cloths and prepare the area for the inspection
• How does scanning chimneys fit within the Levels of Inspection (NFPA 211)? Where do the Levels of Accessibility fit into all this?
• How do structure integrity and flue condition compare to what is the ideal chimney in the code books?
• What is happening within the flue and the chimney?
• What is the probable cause of the defect or symptom, along with an explanation?

Operating a chimney camera using the proper techniques and observation skills should produce more answers regarding the flue’s condition rather than presenting more questions. Since there are many types of installation, we segmented this book into modules to provide a step-by-step approach to chimney scanning by chimney type. The modules include:
​
• Scanning a Masonry Chimney and Fireplace
• Scanning a  Masonry Chimney and Fireplace with an Appliance (Hearth Stove & Insert)
• Scanning a Masonry Thimble Chimney Serving an Appliance(s) (Solid Fuel or Liquid Fuel(s)
• Scanning a Prefab Chimney and Fireplace
• Scanning a Prefab Chimney Serving an Appliance (Solid Fuel or Liquid Fuel(s)

Each installation type offers its unique challenges. We detail the differences between types of installations, including conditions to be alert for and the typical defects for each. The training modules listed above tell you the best access points and offer a step-by-step assessment process for home protection, defect diagnosis, and cleanup. If you would like more information about our books, click here. Otherwise, continue reading our blogs to learn about your interests.
Orange colored terra cotta flue tiles are all misaligned. Some soot is visible.
Looking at the interior of the 5’ chimney, it is appears the builder didn’t use mortar, which led to misaligned tiles. There are some cobwebs. The black marks may be scorch marks or soot. It’s hard to tell without a closer look.
The exterior of the flue tiles have large gaps where the tile is broke. Soot is visible.Picture
When I opened the door to the 5’ chimney, the gaps in the flue became visible. Additionally, there was a tarlike creosote deposit on the exterior, which likely came through the hole and the missing mortar. More defects were inside the flue that were missed. We then asked attendees to use our camera to scan the interior of the flue, which revealed more defects.
A spiral bound book is opened to two chimney drawings with a flue tile and length of prefab chimney.
Our Interior Chimney Scanning Guide features over 400 images and 200 pages. There's nothing like it in the chimney industry!
The spiral bound book is opened to 2 installation drawings. One for a woodstove, the other for a furnace.
This guide features a lot of technical information and five modules: Scanning a Masonry Chimney and Fireplace • Scanning a Masonry Chimney and Fireplace with an Appliance (Hearth Stove & Insert) • Scanning a Masonry Thimble Chimney Serving an Appliance(s) (Solid Fuel or Liquid Fuel(s) • Scanning a Prefab Chimney and Fireplace • Scanning a Prefab Chimney Serving an Appliance (Solid Fuel or Liquid Fuel(s)
A cylindrical Chim-Scan J3D camera with bright lights is shown in a flue tile.
The Chim-Scan® J3D camera with continuous rotation (without holding a button) a side tilt camera (0-90 degrees) and a total of 30 dimmable LED Lights.
#chimney scanning, #chimney inspection, #chimney inspector, #chimney camera, #fireplace inspection, #masonry chimney inspection, #prefabricated chimney inspection, #chimney inspection report, #chimney defects, #flue defects 
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Become a Chim-Scan® Factory Trained Technician!

1/15/2025

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Becoming a Chim-Scan® Factory-Trained Technician is a unique factory training program. It starts with our Chimney Scanning and inspection Guide. You can take the test once you feel confident that you know the information. You will receive a patch, certificate, and the Chim-Scan® Factory-Trained designation upon passing. 
 There are many benefits of becoming a Chim-Scan® Factory Trained Technician: 
• You may be able to get lower insurance coverage rates. Ask your agent about this.
• You receive a certificate, a patch, and the number upon passing. 
• You receive a copy of our Chim-Scan® Technician Logo for advertising. 
• This book is packed with great information: 
  •  There are over 400 pictures in the book.
  • The book explains Levels of Inspection and Access Points
  • When to refer to IRC and NFPA 211
  • Angles of imagery
  • Probable cause
  • The Four Pathways
  • Five modules featuring multiple installation types
  1. Masonry fireplace
  2. Masonry fireplace with an appliance - insert or hearth stove
  3. Masonry thimble chimney with a solid or liquid fuel appliance(s)
  4. Prefab fireplace & chimney
  5. Prefab chimney with a solid fuel or liquid fuel appliance(s)
The open-book multiple-choice test is based on this guide, the Chim-Scan® Manual, and knowledge of the Chim-Scan® System. Each question is worth one point. Since this is an open-book test, 85% of correct answers are passing scores. 
You can take the test online. Once you finish the test (100 questions) and press the Submit Button, you will receive your pass/fail at that time. Your Certificate of Completion is ready to print directly off the site. You can take it up to two times before you incur an additional charge. 
Here is the breakdown of the test and manual cost: 
The training Manual is $200 in print form, including the test for one person (there is a retest fee if the test needs retaking more than twice). If you order your book(s) before 1/31/2025, you will only pay ($87 + $15.50 shipping.) 
For each test, it is only $50 for each individual from the same company. For information on taking the 
test, scan the QR code below, visit our website at www.chimscanfactorytraining.com, or give us a call to order at 641-472-7643. 
A logo with Chim-Scan Factory Trained Technician, Internal Chimney Inspection Systems is in orange, red, and black colors.
Upon passing the test, you will obtain the Chim-Scan® Factory-Trained Technician designation.
A binder holds pages together for the Chimney Scanning & Inspection Guide.
This guide has over 400 images, lots of technical data including Levels of Inspections and Access, and five modules featuring the most common installation types.
The book is opened, laying flat. A masonry fireplace with cutaway view of the flue is shown.
The book features check-off boxes for the inspection process. These boxes follow the transition areas within the installation type.
An image of a chimney cap, a cut-away view of the flue, a woodstove and furnace sit next to blocks of content.
This book walks you through the chimney inspection process by transition points.
Picture
#chimney inspection, #Chim-scan factory training, #chimney inspection camera, #chimney scanning & inspection guide, #masonry fireplace, #prefabricated fireplace, #masonry chimney with thimble, #prefabricated chimney, #IRC, #NFPA 311, #Chim-Scan chimney camera

Copyright 2025 Estoban Corporation
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How a new masonry chimney flue should look

1/7/2025

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Terra cotta flue tiles have been used for almost a century as an accepted liner for masonry chimneys. A brand-new flue may look like the photo shown on the right. The tile is new; it should not be broken (or, in this case, have a cutout view). 
 As the chimney is being built, flue tiles stack on each other and are mortared together with a joint. In the past, masons often used mortar such as type "S" or type "N" mortar, the same mortar they used to lay the brickwork. These mortars can erode, leading to open mortar joints and shifting flue tiles. Today, codes require a non-water-soluble refractory cement that withstands the onslaught of moisture. This creates longevity for your masonry flue. 
Equally important is a smooth interior mortar joint (specified by codes). The picture on the right is an example of a brand-new ideal joint. Mortar that protrudes into the flue can hinder flue gases and smoke. This may affect the way the fireplace burns. A smooth joint is an optimal joint.
Many other types of damage can happen to a masonry flue. To ensure your flue is in an operational-ready condition, ask the chimney sweep to continuously scan your chimney with a Chim-Scan® Internal Video Inspection System each year your chimney is cleaned.  Catching defects early and making repairs can preserve your investment in your fireplace, chimney, and home. 
#chimney inspection, #chimney camera, #chimney flue, #scanning chimney
Picture
New tiles, set correctly with non-water-soluble refractory cement between the liners.
A cylindrical Chim-Scan J3D camera with bright lights is shown in a flue tile.
Chim-Scan® J3D Inspection Camera with a top and a bottom camera, 360-degree continuous rotation, 30 adjustable bright LED's, spacers, and a 0-90 tilt lens.
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Our Books Are on Sale!

12/17/2024

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Picture
Purchase a Chimney Scanning & Inspection Guide or the Interior Chimney Scanning Guide now through January 31st, 2025, and take advantage of our special sale price! Normally $200 each, you can purchase either book for $87.00 plus $15.50 shipping for a total of $102.50. That's almost half! Act now!  

Do you want to know more about our books?
They are the only books published in the industry about chimney inspections and chimney scanning. They prepare you for what to expect.
Each book includes over 400 images!
The images are categorized by cause (The Four Pathways of Chimney Defects)
We include 5 modules tailored for installation type:
  • Masonry Fireplace & Chimney
  • Masonry Fireplace & Chimney Serving a Hearth Stove or Insert
  • Masonry Thimble Chimney Serving a Solid or Liquid Fuel(s) Appliances(s)
  • Prefabricated Fireplace & Chimney
  • Prefabricated Chimney Serving a Solid or Liquid Fuel(s) Appliance(s)
Know what to expect for each installation type and how to educate your customer by the chimney transition points.
These books help you systemize your inspections through transition points.
Each book covers the National Fire Protection Association (NFPA) 211 Levels of Inspection, Access Points, and Inspection items.
You will learn how to verify a chimney.
A guide to operating chimney scanning equipment and much more! For more information, click here.

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What is the Chimney Scanning and Inspection Guide?

10/11/2024

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An orange flue tile, a Chimney Scanning & Inspection Guide, and a prefabricated fireplace chimney section sit on an opened book.Use the Chimney Scanning & Inspection Guide on interior chimney scanning to study from to take the Chim-Scan® Factory Trained Technician Test. Upon passing, you will receive a certificate and patch.
The Chim-Scan® Factory Training and Levels of Inspection Guide is designed to be a resource for professional individuals who work on chimneys and fireplaces. They may include hearth products retailers, chimney sweeps, contractors, service techs, home inspectors, fire marshals, forensic engineers, and insurance company representatives.
Chimney cameras help those individuals find answers to the questions asked within the Levels of Inspections in NFPA 211, Chapters 14 (Maintenance), 15 (Inspection of Existing Chimneys), and the Annex (Explanatory Material). Anyone inspecting chimneys needs a copy of the NFPA 211 Standard, International Residential Code (IRC), and any local codes adopted in your area. If you perform chimney inspections, you need a copy of NFPA 211. To find a comparison of an ideal chimney, consult the International Residential Code (IRC) Chapters 10, 13, 14, 18, and 24.
The Chim-Scan® offers the ability to see into the interior of the chimney. Once you can clearly see the interior, you may ask, “What am I looking at, and how did this happen?.” With the chimney interior clearly visible, we segmented (through modules) the Manual into sections to thoroughly cover your questions.
There are Five Modules, each designed with a different chimney application (one with a fireplace). The modules are:
  • Scanning the Masonry Fireplace and Chimney
  • Scanning the Masonry Fireplace with an Appliance - Insert or Hearth Stove
  • Scanning the Masonry Thimble Chimney with a Solid or Liquid Fuel Appliance(s)
  • Scanning the Prefabricated Fireplace and Chimney
  • Scanning a Prefab Chimney with a Solid Fuel or Liquid Fuel Appliance(s)
Within each module is the following:
  • A diagram of the installation
  • An explanation of terms throughout the diagram
  • Each module provides a list of questions for the Level I and Level II Inspection Process and items to check from the Annex of NFPA 211 designated just for that type of installation.
  • We also include the differences between Level I and II and when to do the correct type of inspection.
This Manual represents how to scan chimneys and includes photos from the field showing how they are built and the outcome from use to abuse. Each module includes a checklist for the Four Pathways to Deterioration and how the defect was created. There is a saying, “People don’t care how much you know until they see how much you care.” Explaining the defect and the cause shows your customers you care enough to help them understand versus handing them a confusing report scattered with pictures. We care, so we include this information for you.
To become a Chim-Scan® Factory Trained Technician, you must take and pass the test. This open-book and multiple-choice test is based on this Chim-Scan® Manual and knowledge of the Chim-Scan® System. Each question is worth one point. Since this is an open-book test, 85% of correct answers are passing scores. For more information, click here.

There are eight diagramed pages with names pointing to various inspection items within the installation.
There are five modules in the Chimney Scanning & Inspection Guide. These modules cover eight types of installations.
​©2024 Estoban Corporation LLC. 
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How to Build Your Chimney Inspection Form

8/29/2023

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​A chimney inspection involves peeling back many layers of investigation, almost like peeling an onion. Just as each layer of onion is a leaf that helps feed the plant, each part of the chimney investigation peels back another layer, revealing transitions and potential defects. Just as every onion is unique with its number of layers and thickness, each chimney is unique and differs depending on many factors such as type, fuel, usage, construction, etc. If you could build your inspection, where would you start?
The first consideration we could start with is the type of chimney we will inspect. Does it fall within one of the following categories?
  • A Masonry Fireplace with or without Gas Logs?
  • A Masonry Fireplace Chimney venting an insert or hearth stove?
  • Masonry Chimney with a thimble connection venting a solid or liquid fuel(s) appliance(s)?
  • A prefabricated fireplace?
  • Listed prefabricated chimney venting a solid or liquid fuel(s) appliance(s).
Once you narrow it down to the type of chimney and what it is venting, then you can peel back another layer of common building components such as:
  • Brick, block, or stone
  • Clay flue tiles or prefabricated chimney sections
  • Exterior chimney mortar
  • Interior chimney mortar
  • Prefabricated braces and stabilizers for a chimney with or without a chase.

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​Peel another layer back and look at more specifics:
  • Connector pipe and adaptors
  • Insulated thimbles for masonry
  • Thimbles and supports for prefabricated chimney
  • Components such as supports, offsets, locking bands, attic shields, etc., for prefabricated chimneys.
The next layer you could peel back is specifics about the appliance, such as:
  • Is it a fireplace?
  • Is it venting a solid-fuel appliance?
  • Is it venting a liquid-fuel appliance?
  • Is it burning oil, gas, or solid fuels?
  • Is it a furnace, boiler, or gas water heater?
  • Is it a hearth stove, free-standing stove, or insert?
 
The next layer could be appliance specifics such as:
  • Fireplace interior construction and clearances
  • Fireplace facing and hearth construction and clearances.
  • Appliance mounting (stove boards) and wall protection clearances.
  • Gas appliance installation requirements include clearances and items like a hot water coil.
  • Oil appliance installation requirements include clearances and items such as a barometric damper, hot water coil, etc.

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​Depending on how far down you want to peel the onion, we have modules available to peel right down to the core. What you find within the first couple of layers usually determines how far you need to go with each layer, peeling back more evidence regarding fireplace and appliance use and how the products of combustion reacted as they entered and passed through the chimney.
Whatever your desire in an inspection process for documentation, we can create it. Whether it is a Level 1, 2, or 3, we promise your eyes won’t water when you see the cost. 

​©2024 Estoban Corporation LLC. 
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    Author

    Tom Urban has worked in the Chimney and Hearth industry for 45 years. He's been an inventor and manufacturer for 40+ of those years.

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