Manufacturer of Wool Fiberglass Insulation · California
Knauf Insulation Plant 4
Shasta Lake, CA · ~150 workers · 9 years of OSHA Injury Tracking Application data.
- B
- Good Safety Record
- 2.2
- Avg TCR
- 3.3
- Industry avg
- 0
- Fatalities
The verdict
Knauf Insulation Plant 4 runs at 68% of its industry's injury rate - safer than the typical Manufacturer of Wool Fiberglass Insulation workplace, earning a grade B.
Knauf Insulation Plant 4: 2.2 TCR = 68% of Manufacturer of Wool Fiberglass Insulation BLS 3.3 · 9y Form 300A (see methodology below)
Knauf Insulation Plant 4 safety composite
Knauf Insulation Plant 4 scores strongest on fatalities (safer than 50% of same-industry peers) and weakest on dart rate (safer than 31%), blended into one 0-100 breakdown against same-industry peers. A missing measure drops out and redistributes its weight rather than deflating the score. This is a per-dimension breakdown, distinct from the single letter grade above it (which weights TCR alone against the BLS industry benchmark).
43/100
Percentile-weighted across 3 of 3 measures
- Total Case Rate (TCR)
- D 2.24 per 100 workers
Safer than 48% of industry peers
- DART rate
- F 1.91 per 100 workers
Safer than 31% of industry peers
- Fatalities
- D 0
Safer than 50% of industry peers
Benchmarked live against every credibly-rated employer in the same NAICS industry code in the current OSHA extract (a segment must have at least 8 rated peers to benchmark). Not a legal or compliance determination; PlainSafetyScore's own weighting (TCR 40%, DART 35%, fatalities 25%).
Rising injury rate
Knauf Insulation Plant 4: 1.9 → 3.2 TCR
Peak year 2019 @ 4.4 TCR · DART/TCR 0.85× in 2024
Knauf Insulation Plant 4's TCR rose 1.3 from 1.9 in 2016 to 3.2 in 2024. Peak filing year was 2019 at 4.4 TCR. In 2024, DART was 0.85× this establishment's average TCR (severity share of cases).
OSHA ITA Form 300A scorecard
Establishment book 327993 · Shasta Lake, CA AT/BELOW-IND · MID
Grade B · TCR 2.2 · 68% of ind
- DART 1.9 DART
- RANK #2/4
- PHOTO Nutec Inc.
- BOOK 9y book
- INJ 31 inj
- SIZE ~150 FTE
Nearest TCR peer: Nutec Inc. (0.0 TCR gap)
Read with this employer → · Industry book → · California employers → · Look up another →
Knauf Insulation Plant 4 in the TCR neighbourhood
Average Total Case Rate among this establishment and nearest same-industry peers
- Nutec Inc.
Nutec Inc.
2.3 TCR
- Knauf Insulati
Knauf Insulation Plant 1
2.3 TCR
- USG Interiors
USG Interiors Cloquet
2.3 TCR
- This site
Knauf Insulation Plant 4
2.2 TCR
- CTA Acoustics,
CTA Acoustics, Inc
2.2 TCR
What this shows Knauf Insulation Plant 4 averages 2.2 TCR (68% of the Manufacturer of Wool Fiberglass Insulation BLS benchmark).
Knauf Insulation Plant 4 TCR series: 2016=1.9 · 2017=1.9 · 2018=1.9 · 2019=4.4 · 2020=1.3 · 2021=3.9 · 2022=1.8 · 2023=0 · 2024=3.2 · BLS 3.3
Where Knauf Insulation Plant 4 falls in its industry
101 Manufacturer of Wool Fiberglas establishmentsSafer than 48% of graded establishments in this industry, whose median TCR is 2.2.
Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #2 safest of 4 Manufacturer of Wool Fiberglas employers in California.
Knauf Insulation Plant 4 has more employees than the Manufacturer of Wool Fiberglass Insulati median and a higher injury rate than the industry's median TCR of 2.2. Workforce size and injury rate do not always move together within the same industry -- some of its smaller peers run higher rates than its larger ones, and vice versa.
Year-by-Year Safety Data
| Year | TCR | DART | Injuries | Illnesses | Fatalities |
|---|---|---|---|---|---|
| 2024 | 3.2 | 1.9 | 5 | 0 | 0 |
| 2023 | 0.0 | 0.0 | 0 | 0 | 0 |
| 2022 | 1.8 | 1.2 | 3 | 0 | 0 |
| 2021 | 3.9 | 1.3 | 6 | 0 | 0 |
| 2020 | 1.3 | 0.6 | 2 | 0 | 0 |
| 2019 | 4.4 | 2.5 | 7 | 0 | 0 |
| 2018 | 1.9 | 1.9 | 3 | 0 | 0 |
| 2017 | 1.9 | 1.3 | 2 | 1 | 0 |
| 2016 | 1.9 | 1.9 | 3 | 0 | 0 |
OSHA ITA peer cross-reference
Establishment peer ledger
327993 · CA · Shasta Lake
101 Manufacturer of Wool Fiberglass Insulation employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 4 employers in Shasta Lake, CA · 4 cross-state NAT-TCR peers · 4 cross-state NAT-SIZE peers. Closest matches by relationship code are listed below.
| Rel | Establishment | Metric |
|---|---|---|
| NAICS-TCR | Nutec Inc. | 2.3 TCR |
| NAICS-TCR | Knauf Insulation Plant 1 | 2.3 TCR |
| NAICS-TCR | USG Interiors Cloquet | 2.3 TCR |
| NAICS-TCR | CTA Acoustics, Inc | 2.2 TCR |
| STATE-SIZE | Klink Citrus Association | 150 FTE |
| STATE-SIZE | Javier Ponce Nevarez | 150 FTE |
| STATE-SIZE | Mashburn Transportation Services | 150 FTE |
| STATE-SIZE | TRI Pointe Homes | 150 FTE |
| CITY-NEAR | SPI- Shasta Lake | 162 FTE |
| CITY-NEAR | Sierra Pacific Industries - Shasta Lake Division | 152 FTE |
| CITY-NEAR | 5175 Fresenius Medical Care | 39 FTE |
| NAT-TCR | Hubbell Power Systems - Centralia Operation | 2.2 TCR |
| NAT-TCR | M. Schneider Soap & Chemical Co., Inc. | 2.2 TCR |
| NAT-TCR | Country Meadows Nursing & Rehabilitation Center | 2.2 TCR |
| NAT-TCR | Future Foam Inc. | 2.2 TCR |
| NAT-SIZE | Hoosier Tank | 150 FTE |
| NAT-SIZE | Bella Terra Streamwood | 150 FTE |
| NAT-SIZE | 2561-Marriott Louisville | 150 FTE |
| NAT-SIZE | Aviation Technical Services Texas | 150 FTE |
Rel codes: NAICS-TCR · STATE-SIZE · CITY-NEAR · NAT-TCR/NAT-SIZE cross-state. Read with this employer →
Read our methodology - how this data is sourced, computed, and verified.