spray foam over a leaking commercial roof

Can You Spray Foam Over an Existing Leaky Roof?

Greg PalyaSpray Polyurethane Foam Roofing

  Yes, you can install a spray foam roofing system over an existing commercial roof. But did you know that some commercial roofs are ineligible for a spray foam application? And for some roofs, it’s illegal to add another roofing system on top of what’s already there? Here are some common questions we’ll answer below: Why would a building owner …