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A spray foam rig doesn't make money sitting in a parking lot. It makes money spraying foam. That's why equipment reliability isn't simply a maintenance issue for spray foam contractors—it's a profitability issue. When a spray gun goes down, a transfer pump stops feeding material, or a clogged filter creates pressure problems, the cost isn't limited to the replacement part. You're also dealing with a crew that's getting paid, a project that's falling behind schedule, material

You know what you paid for a set of foam. If you've been spraying closed-cell foam for years, you've probably noticed that today's material doesn't always behave exactly like the foam you learned on. But do you know what that set actually costs you once it's installed? Those aren't necessarily the same number. For spray foam contractors, material is one of the largest variable expenses on every job. Yet it's easy to build estimates around an expected number of board feet per

If you've been spraying closed-cell foam for years, you've probably noticed that today's material doesn't always behave exactly like the foam you learned on. That's not your imagination. The spray polyurethane foam industry has gone through a major chemistry transition. Closed-cell SPF systems in the United States have moved away from high-global-warming-potential (GWP) hydrofluorocarbon (HFC) blowing agents toward newer low-GWP alternatives, primarily hydrofluoroolefin (HFO)