OSHA has inspected Knauf Insulation 7 times in Indiana since 2018.
The latest one began on Feb 23, 2024 on a referral, in Shelbyville.
Those inspections ended with 2 citation items: 1 serious and 1 other-than-serious.
Penalties were first proposed at $4,350 and now stand at $2,827, 35% lower after settlements or reviews.
How that compares: the median penalty per cited inspection for manufacturing employers since 2015 is $4,500, and Knauf Insulation averages $1,414 (2 cited inspections).
Knauf Insulation also files yearly injury logs with OSHA, summarized below.
Citation items per year, by inspection date.
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From the Form 300A summaries employers file with OSHA each year. Rate = recordable cases per 100 full-time workers.
In 2025, the Shelbyville site logged 8 recordable injuries or illnesses among about 404 workers: 1.9 per 100 full-time workers, against a median of 2.6 for its industry. Those cases cost 152 days away from work.
Site and year
Workers
Cases
Days-away cases
Rate
Industry median
Knauf Insulation Plant 1
Shelbyville · 2025
404
8
4
1.9
2.6
Knauf Insulation Corporate
Shelbyville · 2025
311
1
0
0.3
2.6
Knauf Insulation Plant 3
Shelbyville · 2025
159
1
0
0.5
2.6
The rules behind these citations
Current text from the Code of Federal Regulations. Some citations were issued under older wording.
(d) An exit door must be unlocked. (1) Employees must be able to open an exit route door from the inside at all times without keys, tools, or special knowledge. A device such as a panic bar that locks only from the outside is permitted on exit discharge doors.
Other mineral wool manufacturing employers in Indiana
Source: U.S. Department of Labor, OSHA enforcement data. A citation is OSHA's allegation; employers can contest it, and the status column shows where each item stands. Something wrong on this page? Tell us.