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Johns Manville Technical Blog — Insulation & Roofing Insights

In-depth articles on insulation R-values, roofing system selection, energy code compliance, and building envelope best practices from our team of product engineers and technical specialists.

Technical Blog

The Case for Prevention: Why My Approach to Specifying Insulation Changed (and Why Yours Should Too)

A veteran building materials coordinator argues that investing upfront in thorough specification and verification saves more time and money than rushing to fix mistakes. Drawing on real-world examples with contractors and suppliers, the article challenges the 'move fast and fix later' mindset common in construction projects. [...]