Spray Foam Metal Roof

Spray foam is a great fit for both new construction and retrofit applications.

Spray foam metal roof.

In retrofit or re roof applications the foam can be applied directly to the existing roof in many cases. Spray polyurethane foam is a valuable roofing system as spf roofs last indefinitely and hold their insulation value forever. Most unvented attics incorporate spray polyurethane foam spf on the underside of the roof deck and attic walls. Spray polyurethane foam roofs provide a roof system that is seamless monolithic and self flashing with a high insulation value r value strong adhesion and wind uplift resistance.

A spray polyurethane roof can be installed over a leaking metal roof. This construction approach was first used in the 1970s and it has been implemented much more widely since it was first included in the international code council s icc model building code in 2007 irc section 806 4. The foam never gets touched and never loses r value. At year 10 20 a contractor will add more coating and granules.

Compared to the fiberglass batts this insulation is much better. The concern of manufacturer mbci is over who is going to verify that the foam will not cause corrosive damage over time to the roofing. This condensation can range from very irritating rain drops on the head to damaging very expensive equipment which can cause thousands of dollars in damage. Financially speaking this spray is a great option especially when you need to renovate your roof after the application.

Combining foam and metal roofing. Since spray foam is monolithic and closed cell it will create a watertight barrier over the entire metal roof. In new construction some sort of roof deck often metal must first be installed before the foam can be applied. Most of the time extreme heat shifts cause that leak.

Condensation control in metal buildings. The challenge comes when you combine systems spraying foam onto the metal roofing itself. Polyurethane spray foam metal roof insulation the spray can be basically applied on top or bottom of the metal roofing surfaces. Metal roofing manufacturers typically extend a 25 year warranty.

With building code compliance and sustainable building envelopes at the forefront in today s marketplace spray polyurethane foam insulation spf applied to single skin metal roof and wall panels is an alternative to insulated metal panels with a manufacture applied polyurethane foam core. We often have interest regarding spray foam insulation for metal buildings or pole barns due to condensation coming from the roof underside.