Can we use spray foam insulation directly to the underside of metal roofing before it is installed?

No. Spray foam insulation applied to metal panels before they are installed can create gaps in laps, make it more difficult to fasten properly, and cause overspray on the top side of the panels, which can affect the long-term performance of the paint. The Spray Polyurethane Foam Alliance, an association representing leaders in the SPF […]

Can we use spray foam insulation on solid decking under metal roofing?

Yes. Spray foam insulation can be applied to decking underneath metal roofing panels prior to the installation of the metal panels. Similar to other types of insulation, spray foam on the deck should not create any issues with metal roofing. See your insulation representation for best application practice. The Spray Polyurethane Foam Alliance, an association […]

Can I use spray foam insulation directly on the underside of metal roofing with open decking?

Yes. Spray foam insulation can be applied to metal panels on open decking systems after the metal panels are installed, provided the following care is taken: Thermal spacers must be used on all metal purlins/framing to prevent rust or uneven color. All panels are properly installed and fastened securely No overspray of foam insulation gets […]

Will my warranty be voided if we use spray foam insulation?

Warranties will not be affected on properly installed systems. Failure to follow these guidelines may result in a particular issue not being warranted, while remaining valid for remaining issues. The Spray Polyurethane Foam Alliance, an association representing leaders in the SPF industry, has created a guideline for insulating metal buildings with spray polyurethane foam. It […]