Source: John Manville

On November 10, 2026, John Manville announced an upcoming price increases on the following products, effective January 4, 2027.

• MinWool® Sound Attenuation Fire Batts (SAFB) - (7%)
• MinWool® Sound & Fire Block - (7%)
• TempControl® - (7%)
• MinWool® Curtainwall - (7%)
• MinWool® Safing - (7%)
• CladStone™ Water & Fire Block - (7%)
• MinWool®Window Wall - (7%)

To view the full price increase announcement letter, please click here.