2 insulation manufacturers have announced price increases taking effect in June 2024, led by Johns Manville (8%, Jun 1, 2024).
Checked daily · last checked Nov 2, 2026.
Insulation Price Increases June 2024
Insulation price increases 2026
2 Insulation manufacturer price-increase letters from 2 brands taking effect in June 2024. Every row links to the original letter or posting.
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| Effective | Brand | Products | Increase | Source |
|---|---|---|---|---|
| Jun 7, 2024 | Knauf | Knauf letter posted by ABC Supply Interiors: Knauf is announcing a price increase on all Residential and Light Commercial fiberglass insulation products effective with shipments… | see letter | Original letter · ABC Supply Interiors |
| Jun 1, 2024 | Johns Manville | Johns Manville letter posted by ABC Supply Interiors: Johns Manville is announcing a price increase effective June 1, 2024. | 8% | Original letter · ABC Supply Interiors |