Technical Blog
A procurement manager with 8 years of experience shares why the Johns Manville GoBoard Shower Pan Kit (90029474) is the single most important product to specify correctly, especially for small contractors, after a series of costly insulation and waterproofing mistakes. [...]
Technical Blog
A contractor's hands-on guide to handling urgent roof leaks, burst pipes, and insulation failures. Step-by-step, with product recommendations and real-world tips. [...]
Technical Blog
Why 'cheap' attic insulation is costing you more than you think. Based on real failures, field data, and one painful lesson. [...]
Technical Blog
A procurement manager breaks down why the cheapest duct wrap and liner often end up costing more in the long run, and how to make a smarter, data-driven decision. [...]
Technical Blog
A procurement manager explains why investing in Johns Manville roofing and insulation products is a long-term cost win that also protects your brand image. [...]
Technical Blog
A procurement-focused analysis of where Johns Manville ComfortTherm R-19 encapsulated insulation fits different commercial and residential projects—and where it doesn’t. [...]
Technical Blog
Answers to real questions about Johns Manville products, including the insulation calculator, duct board, and even a few off‑topic searches (stained glass window film, Boston scally cap, and shingles contagious). Written from the perspective of a commercial contractor who’s made every mistake worth learning from. [...]
Technical Blog
A personal story about a costly deadline failure with cheap insulation, and how switching to Johns Manville’s reliable supply chain and technical support changed my approach to emergency projects. [...]
Technical Blog
A quality inspector breaks down what 'good' really means for Johns Manville insulation products — and when you should look elsewhere. [...]
Technical Blog
A quality inspector breaks down why choosing Johns Manville polyisocyanurate roof insulation based on total value, not just the unit price, saves money and prevents catastrophic failures. Includes comparison with Owens Corning insulation and practical tips for contractors. [...]