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Contact Johns Manville — Technical Support & Sales

Reach our technical sales team for product specifications, project quotes, contractor locator, and customer support. We respond to qualified commercial inquiries within one business day.

Multiple Ways to Connect

Technical Sales Hotline

For product specifications, application questions, and project quotes from our engineering team.

1-800-654-3103

Mon–Fri, 8am–5pm MT

Email Inquiries

Send us your project specifications and we'll route your inquiry to the appropriate product specialist.

[email protected]

Response within 1 business day

Corporate Headquarters

Johns Manville global headquarters, open for scheduled appointments with prior arrangement.

717 17th Street
Denver, CO 80202

Schedule a visit in advance

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Find Your Regional Team


North America — Roofing Systems

Commercial roofing system specifications, contractor certification, warranty administration

Phone: 1-800-654-3103 (Option 1) Email: [email protected]

North America — Commercial Insulation

Commercial and industrial insulation specifications, product selection, code compliance

Phone: 1-800-654-3103 (Option 2) Email: [email protected]

North America — Residential Insulation

Homebuilder programs, dealer inquiries, contractor training and certification

Phone: 1-800-654-3103 (Option 3) Email: [email protected]

International & Export Inquiries

Distribution partnerships, international project specifications, export documentation

Phone: +1 303-978-2000 Email: [email protected]