Edition-scoped certification directory
This page confirms inclusion in the July 2026 directory. BHGS warns that certifications or decertifications may occur after publication; Approval Index does not infer a later live status.
California BHGS · Thermal Insulation Directory
MICRO-LOK HP
Johns Manville · T 1039
The official July 2026 California BHGS directory includes this product ID under Water Heater, Duct, Pipe Wrap. The source contains 30 separate configuration rows; values are not collapsed into one maximum.
- Manufacturer
- Johns Manville
- BHGS license
- T 1039
- Brand code
- JM
- Directory category
- Water Heater, Duct, Pipe Wrap
- Material
- FIBER GLASS
- Source state
- Included in July 2026 directoryLater status not asserted
Source-native rows
Certified directory configurations
| Source row | Type / facing | Primary use | Physical values | Thermal values | Exposed / vapor retarder |
|---|---|---|---|---|---|
| Water Heater, Duct, Pipe Wrap row 106Mineral Fiber Water Heater, Duct & Pipe Wrap | FACED SINGLE MATERIALMTL/PPR | PIPES | Thickness: 1 inDensity not stated | Thermal performance: 0.23Source value kind: K | YESYES |
| Water Heater, Duct, Pipe Wrap row 107Mineral Fiber Water Heater, Duct & Pipe Wrap | FACED SINGLE MATERIALMTL/PPR | PIPES | Thickness: 1.5 inDensity not stated | Thermal performance: 0.23Source value kind: K | YESYES |
| Water Heater, Duct, Pipe Wrap row 108Mineral Fiber Water Heater, Duct & Pipe Wrap | FACED SINGLE MATERIALMTL/PPR | PIPES | Thickness: 2 inDensity not stated | Thermal performance: 0.23Source value kind: K | YESYES |
| Water Heater, Duct, Pipe Wrap row 109Mineral Fiber Water Heater, Duct & Pipe Wrap | FACED SINGLE MATERIALMTL/PPR | PIPES | Thickness: 2.5 inDensity not stated | Thermal performance: 0.23Source value kind: K | YESYES |
| Water Heater, Duct, Pipe Wrap row 110Mineral Fiber Water Heater, Duct & Pipe Wrap | FACED SINGLE MATERIALMTL/PPR | PIPES | Thickness: 3 inDensity not stated | Thermal performance: 0.23Source value kind: K | YESYES |
| Water Heater, Duct, Pipe Wrap row 111Mineral Fiber Water Heater, Duct & Pipe Wrap | FACED SINGLE MATERIALMTL/PPR | PIPES | Thickness: 3.5 inDensity not stated | Thermal performance: 0.23Source value kind: K | YESYES |
| Water Heater, Duct, Pipe Wrap row 112Mineral Fiber Water Heater, Duct & Pipe Wrap | FACED SINGLE MATERIALMTL/PPR | PIPES | Thickness: 4 inDensity not stated | Thermal performance: 0.23Source value kind: K | YESYES |
| Water Heater, Duct, Pipe Wrap row 113Mineral Fiber Water Heater, Duct & Pipe Wrap | FACED SINGLE MATERIALMTL/PPR | PIPES | Thickness: 4.5 inDensity not stated | Thermal performance: 0.23Source value kind: K | YESYES |
| Water Heater, Duct, Pipe Wrap row 114Mineral Fiber Water Heater, Duct & Pipe Wrap | FACED SINGLE MATERIALMTL/PPR | PIPES | Thickness: 5 inDensity not stated | Thermal performance: 0.23Source value kind: K | YESYES |
| Water Heater, Duct, Pipe Wrap row 115Mineral Fiber Water Heater, Duct & Pipe Wrap | FACED SINGLE MATERIALMTL/PPR | PIPES | Thickness: 0.5 inDensity not stated | Thermal performance: 0.23Source value kind: K | YESYES |
| Water Heater, Duct, Pipe Wrap row 116Mineral Fiber Water Heater, Duct & Pipe Wrap | SINGLE MATERIALNONE | PIPES | Thickness: 0.5 inDensity not stated | Thermal performance: 0.23Source value kind: K | YESNO |
| Water Heater, Duct, Pipe Wrap row 117Mineral Fiber Water Heater, Duct & Pipe Wrap | SINGLE MATERIALNONE | PIPES | Thickness: 1 inDensity not stated | Thermal performance: 0.23Source value kind: K | YESNO |
| Water Heater, Duct, Pipe Wrap row 118Mineral Fiber Water Heater, Duct & Pipe Wrap | SINGLE MATERIALNONE | PIPES | Thickness: 1.5 inDensity not stated | Thermal performance: 0.23Source value kind: K | YESNO |
| Water Heater, Duct, Pipe Wrap row 119Mineral Fiber Water Heater, Duct & Pipe Wrap | SINGLE MATERIALNONE | PIPES | Thickness: 2 inDensity not stated | Thermal performance: 0.23Source value kind: K | YESNO |
| Water Heater, Duct, Pipe Wrap row 120Mineral Fiber Water Heater, Duct & Pipe Wrap | SINGLE MATERIALNONE | PIPES | Thickness: 2.5 inDensity not stated | Thermal performance: 0.23Source value kind: K | YESNO |
| Water Heater, Duct, Pipe Wrap row 121Mineral Fiber Water Heater, Duct & Pipe Wrap | SINGLE MATERIALNONE | PIPES | Thickness: 3 inDensity not stated | Thermal performance: 0.23Source value kind: K | YESNO |
| Water Heater, Duct, Pipe Wrap row 122Mineral Fiber Water Heater, Duct & Pipe Wrap | SINGLE MATERIALNONE | PIPES | Thickness: 3.5 inDensity not stated | Thermal performance: 0.23Source value kind: K | YESNO |
| Water Heater, Duct, Pipe Wrap row 123Mineral Fiber Water Heater, Duct & Pipe Wrap | SINGLE MATERIALNONE | PIPES | Thickness: 4 inDensity not stated | Thermal performance: 0.23Source value kind: K | YESNO |
| Water Heater, Duct, Pipe Wrap row 124Mineral Fiber Water Heater, Duct & Pipe Wrap | SINGLE MATERIALNONE | PIPES | Thickness: 4.5 inDensity not stated | Thermal performance: 0.23Source value kind: K | YESNO |
| Water Heater, Duct, Pipe Wrap row 125Mineral Fiber Water Heater, Duct & Pipe Wrap | SINGLE MATERIALNONE | PIPES | Thickness: 5 inDensity not stated | Thermal performance: 0.23Source value kind: K | YESNO |
| Water Heater, Duct, Pipe Wrap row 126Mineral Fiber Water Heater, Duct & Pipe Wrap | SINGLE MATERIALNONE | PIPES | Thickness: 0.5 inDensity not stated | Thermal performance: 0.23Source value kind: K | YESYES |
| Water Heater, Duct, Pipe Wrap row 127Mineral Fiber Water Heater, Duct & Pipe Wrap | SINGLE MATERIALNONE | PIPES | Thickness: 1 inDensity not stated | Thermal performance: 0.23Source value kind: K | YESYES |
| Water Heater, Duct, Pipe Wrap row 128Mineral Fiber Water Heater, Duct & Pipe Wrap | SINGLE MATERIALNONE | PIPES | Thickness: 1.5 inDensity not stated | Thermal performance: 0.23Source value kind: K | YESYES |
| Water Heater, Duct, Pipe Wrap row 129Mineral Fiber Water Heater, Duct & Pipe Wrap | SINGLE MATERIALNONE | PIPES | Thickness: 2 inDensity not stated | Thermal performance: 0.23Source value kind: K | YESYES |
| Water Heater, Duct, Pipe Wrap row 130Mineral Fiber Water Heater, Duct & Pipe Wrap | SINGLE MATERIALNONE | PIPES | Thickness: 2.5 inDensity not stated | Thermal performance: 0.23Source value kind: K | YESYES |
| Water Heater, Duct, Pipe Wrap row 131Mineral Fiber Water Heater, Duct & Pipe Wrap | SINGLE MATERIALNONE | PIPES | Thickness: 3 inDensity not stated | Thermal performance: 0.23Source value kind: K | YESYES |
| Water Heater, Duct, Pipe Wrap row 132Mineral Fiber Water Heater, Duct & Pipe Wrap | SINGLE MATERIALNONE | PIPES | Thickness: 3.5 inDensity not stated | Thermal performance: 0.23Source value kind: K | YESYES |
| Water Heater, Duct, Pipe Wrap row 133Mineral Fiber Water Heater, Duct & Pipe Wrap | SINGLE MATERIALNONE | PIPES | Thickness: 4 inDensity not stated | Thermal performance: 0.23Source value kind: K | YESYES |
| Water Heater, Duct, Pipe Wrap row 134Mineral Fiber Water Heater, Duct & Pipe Wrap | SINGLE MATERIALNONE | PIPES | Thickness: 4.5 inDensity not stated | Thermal performance: 0.23Source value kind: K | YESYES |
| Water Heater, Duct, Pipe Wrap row 135Mineral Fiber Water Heater, Duct & Pipe Wrap | SINGLE MATERIALNONE | PIPES | Thickness: 5 inDensity not stated | Thermal performance: 0.23Source value kind: K | YESYES |
“Not stated” means the source cell is blank or the field is not part of that directory category. It does not mean “no,” “not applicable,” or “not certified.”
Sources & verification
Official BHGS directory edition
- Publisher
- California Department of Consumer Affairs, Bureau of Household Goods and Services
- Edition
- July 2026
- Last checked
- Aug 31, 2026, 10:07 PM UTC
- Source locator
- 30 rows in the Water Heater, Duct, Pipe Wrap worksheet
- Workbook hash
af4e467ab20bfd0eed0a3cf7781dee1640bb36486f0a3a5fa06368bd1426cfa8- Storage policy
- Link only; no workbook copy is served
Independent research context
Approval Index is independent and is not affiliated with or endorsed by BHGS, the Department of Consumer Affairs, the State of California, or a local authority having jurisdiction. Directory inclusion does not determine project suitability, installation compliance, energy-code compliance or permit acceptance. Verify current certification, complete manufacturer documentation, adopted requirements and project conditions with the official authority and qualified professionals.
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