Every Accessible Surface Checked and Written Up in One Visit
What NFPA 211 Level 1 Actually Covers — and What It Doesn't
What's Included — and What Belongs to a Tier 2
Included in Tier 1
Firebox interior
Visible flue opening at throat and crown
Exterior masonry from grade to cap
Every accessible mortar joint and surface
Cap seating and damper function
Belongs to a Tier 2
Interior of the flue liner beyond the visible opening
Areas behind walls
Attic and crawlspace zones
Camera scan of the liner interior
Why Minneapolis Homes Need Annual Inspections More Than Most
Surfaces ChimTech Checks During a Tier 1 Inspection
The Crown
The concrete cap sealing the flue liner to the chimney edge. Checked for thermal-expansion cracks at the flue collar, edge integrity, and whether pre-1950 crowns poured flush — without a drip edge — are sending water down the stack face.
The Cap
The metal cover over the flue opening. Mesh, mounting hardware, and seating — a cap shifted after winter wind events can leave a gap wide enough for driven rain.
Exterior Mortar Joints
Probed along the full height of the stack. In South Minneapolis bungalows and Northeast craftsman homes, joints that look fine from the ground often probe soft — water has already been entering at that line.
The Firebox Interior
Refractory back panel, firebox floor, damper frame and plate, and the visible liner opening at the throat. Offset joints, visible cracking, or debris at the throat all get flagged.
What a Pass Finding Looks Like — and What a Flag Means
A Pass Finding
Every accessible surface is intact, no active water entry is evident, and the system is suitable for continued use. No repairs recommended. The written summary confirms what was checked and found — a dated record of the chimney's condition.
A Flagged Finding
Names the specific surface and condition — a crown crack wider than a hairline, a mortar joint recessed beyond three-quarters of an inch, a damper that no longer seats flush — and states what service addresses it. A flag isn't automatically an emergency: the summary separates watch-and-document items from repairs to schedule before the next heating season.
How ChimTech Documents Every Tier 1 Inspection Finding
Accessible Areas Checked
Each surface examined is listed by location.
Condition Noted
Intact, minor wear, flagged, or requires repair.
Specific Findings
Each deficiency described by component, location, and nature.
Recommended Service
Where a finding warrants action, the relevant service is named.
Date of Inspection
A timestamped baseline for future reference.
Walk Through a ChimTech Tier 1 Inspection Visit
Arrival & Exterior Assessment
A full exterior read from grade: the crew identifies the configuration — single or multi-flue, masonry or prefab chase, roofline access — and notes stack height and pitch before ascending. From the roof, the crown, cap seating, and upper masonry are assessed directly, and mortar joints probed top to bottom. Anything soft, recessed, or cracked is logged by location.
Interior Examination
Inside, the firebox, damper assembly, smoke shelf access point, and visible liner opening at the throat are checked in sequence under adequate light. Observations are recorded as the inspection proceeds — not reconstructed at the end. Same components, same order, same documentation standard, every job.
Written Summary Delivered On-Site
Before the crew leaves, the written condition summary is completed and handed to the homeowner. If a finding warrants follow-up, the summary names the service and explains the connection between the finding and the repair. You leave knowing exactly what was found, where it is, and what comes next.
Minneapolis Zip Codes & Neighborhoods Where We Schedule Tier 1 Inspections
Get Your Tier 1 Inspection on the Calendar Before Heating Season Opens
Frequently Asked Questions — Tier 1 Inspection
Yes. ChimTech uses “Tier 1” to align with the NFPA 211 Level 1 standard. It’s a visual assessment of every accessible chimney surface — crown, cap, exterior masonry, firebox, damper, and visible liner opening — conducted without cameras, demolition, or appliance disconnection. The scope is defined by NFPA 211 and applies uniformly to every Minneapolis home we inspect at this tier.
Once per year is the NFPA 211 recommendation for any chimney in regular use, and the minimum that makes sense for Minneapolis specifically. The freeze-thaw cycle — averaging more than 50 threshold crossings a year — creates ongoing stress on mortar joints, crowns, and liner surfaces. Annual inspection catches that progression before it becomes a repair. If the system has been idle more than a season, inspect before resuming use regardless of the annual schedule.
No. The Tier 1 scope covers the visible liner opening at the throat — the top of the flue tile as seen from the firebox. It doesn’t include a camera assessment of the liner interior, which requires a Tier 2. If the Tier 1 finds debris accumulation, offset joints at the throat, or a crown condition that suggests liner exposure, the written summary flags those findings and identifies the Tier 2 as the appropriate next step.
A written condition summary completed on-site and handed to the homeowner before the crew leaves. It lists every surface checked, the condition of each, any specific findings by component and location, and the recommended service where a finding warrants action. You receive this record whether everything is clean or a flag is noted.
Yes — and that’s one of the most common reasons Minneapolis homeowners schedule one in September or early October. The inspection confirms accessible surfaces are intact, the cap is seated, the damper is functional, and no visible debris or deterioration presents a use-limiting condition. If it passes, the summary confirms it’s suitable for continued use; if something warrants attention first, the summary names it and explains why.
Not automatically. Some Tier 1 flags are surface conditions — a joint that needs repointing, a crown crack that needs sealing — that point directly to a repair rather than a deeper inspection tier. A Tier 2 is appropriate when the finding suggests a liner condition, a concealed area, or a system change that requires camera confirmation. The summary specifies whether the next step is a repair, a Tier 2, or a watch-and-document item — you’re not left to interpret it alone.