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Spray Polyurethane Foam Roofing Systems (SPF)

At PMI, we specialized in applying polyurethane foam, (SPF) and protective membrane coatings for more than 40 years, servicing North Carolina, South Carolina and Virginia!

A Spray Polyurethane Foam (SPF) Roofing System is one of the best roofing systems available if applied correctly.  

SPF roofing provides a seamless and continuous layer over the top of the structure. An SPF roof system performs numerous functions, such as a: vapor retarder, weather-resistant barrier, air barrier and continuous thermal insulation.   Once applied to your roof, SPF forms a durable and rigid covering that provides resistance to impact from hail and foot traffic.   An SPF roofing systems can be applied as a new roof or over most existing roofs, providing a cost-effective retrofit solution. 

SPF roofing can be used on nearly any building in any North American climate, providing distinct advantages over other roofing systems when:


  • Additional roof insulation is needed for comfort, energy savings or code compliance

  • Tapered application is required to enhance drainage

  • Roof deck is an unusual configuration or shape

  • Substrate includes many penetrations (such as solar panel supports)

  • Roof fastening is limited by substrate material (concrete, etc.) or aesthetics of a visible roof deck

  • Removal of existing roof covering is impractical due to cost or business interruption

Insulation value with (SPF) Spray Polyurethane Foam Roofing

Polyurethane foam has the highest “R” value available – 6.7 per 1 inch. Polyurethane is spray applied to a variety of surfaces. It is monolithic, Which means that there are NO seams in your roof or any penetrations. On exterior jobs such as flat roofs or metal roof, the polyurethane is applied to any desired thickness, and then a waterproof UV resistant coating is applied over the polyurethane.   The final result is a seamless, insulated roof!

Polyurethane foam is the best insulation available. It can be spray applied to homes, commercial buildings, and anywhere insulation is needed or desired. Closed cell polyurethane adds structural stability to wherever it is applied such as truck bodies or insulation storage buildings.  

Long Lasting Roof Solution with SPF Roofing

Spray polyurethane foam (SPF) roofing is a widely utilized roofing solution proven to last and protect the structure.  SPF roofing performs as an insulated roofing system that withstands extreme weather conditions such as hail, wind and rain. Yet the installed weight per square foot allows building owners, consultants and designers many more possibilities than heavier roofing systems.

Most SPF roofing systems offer Class A fire performance, while providing a durable and versatile roofing system that can offer a lifespan exceeding 20 years with regular care and maintenance.  With regular inspections and re-coating property owners can extend service live to as long as 40 years or more.

SPF Roofing can be applied to any of the following and much more:


  • Office Facilities

  • Retail Developments

  • Mixed-use Properties

  • Institutional Buildings (schools, colleges, government and military facilities)

  • Industrial Facilities

  • Agricultural Structures

  • Homes

  • Specialty Applications





SPF Roofs are Easily Maintained to Ensure Exceptional Lifespan

With regular care and maintenance, a spray foam roof is expected to last 40 or more years. Best practices call for SPF roofs to be inspected bi-annually and after severe weather events.


For more information about SPF, give us a call at:  803-310-0029 or send us a message today!  


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SPF Photo August 2023
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