Safety Incidents OSHA Severe Injury Reports · 2015–2025
5,189,214Inspections Most recent open 2026-07-16 Last loaded 2026-07-20

DENVER, CO —

OSHA Inspection: MARK ONE INSULATION AND FIRESTOP

Planned inspection · Safety discipline

At a glance

On , OSHA opened a planned safety inspection of MARK ONE INSULATION AND FIRESTOP in 2031 FOREST ST., DENVER, CO 80207 (NAICS 236115). OSHA activity number 307529768.

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Where did this inspection happen?

Establishment
MARK ONE INSULATION AND FIRESTOP
Site address
2031 FOREST ST.
City
DENVER
State
CO
ZIP
80207
Mailing
946 MILLBROOK CIRCLE, CASTLE ROCK, CO 80109

What kind of inspection was it?

Inspection type
Planned (H)
Scope
Partial (B)
Discipline
Safety
Advance notice
No
Union status
N

When did the case open and close?

Opened
Closing conference
Case closed
Last modified
Data loaded

Establishment context

NAICS code
236115
SIC code (legacy)
1521
Employees
2
Ownership type
A

Citations

3 citations on file for this inspection.

1926.100 A

Serious Gravity 02 1 instance 2 exposed
Issued
Abate by
Penalty
Initial $300.00 · Current $300.00

1926.1053 B01

Serious Gravity 02 1 instance 2 exposed
Issued
Abate by
Penalty
Initial $300.00 · Current $300.00

1926.1060 A01 III

Serious Gravity 02 1 instance 2 exposed
Issued
Abate by

More inspections in this industry (NAICS 236115)

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Source

This record is reproduced from the U.S. Department of Labor Open Data API (OSHA inspection dataset). The original IMIS detail view is available at OSHA's Establishment Search for activity number 307529768.