FE 348

FE348 Efficiency means money saved

Seamless and self-flashing, the FE 348 SPF roofing system eliminates thermal bridging and adds its superior insulation properties for improved building energy efficiency and control over the indoor environment. Our roofing SPF has one of the highest insulation R-values available on the market at 6.3 per inch.

For more information, please read our FE 348 SPF roofing system and FE 348 Sustainable and Affordable Roofing System pdfs.

Compare FE 348 roofing SPF with traditional roofing systems

FE 348 Built-Up Single-Ply
Weather Protection

  • Water cannot migrate through closed-cell foam
  • Improved slope-to-drain
  • High wind uplift resistance
  • No deck penetration
  • 30 years experience
  • No seams

  • Joints and seams allow water migration
  • Loose aggregate can become projectiles
  • Extensive deck penetrations
  • Becomes brittle then cracks

  • Ponding frequent
  • Leaks hard to locate
  • Extensive deck penetrations
  • Newer systems (lack of long-term field experience)
  • Lots of seams

Energy and Comfort

  • Lower heating and cooling costs
  • No thermal bridging
  • Highest R-value insulation
  • Lower roof temperatures, reducing thermal stress
  • Reflects solar radiation
  • Improved occupant comfort

  • Temperature build-up on roof and below
  • Indoor environment more difficult to condition
  • Dark color raises rooftop temperatures

  • Temperature build-up on roof
  • Indoor environment more difficult to condition


  • Usually no costly tear-off
  • Fast installation
  • Fully adheres to almost any substrate
  • No fasteners, no welding, no gluing
  • Lower labor cost
  • Conforms to irregular shapes, can be custom sloped

  • Major construction
  • Tear-off and waste disposal required
  • Irregular shapes difficult
  • Joints unreliable
  • Expensive labor
  • Offensive odor

  • Irregular shapes difficult
  • Numerous fasteners add expense
  • Potential leakage points
  • Flashings difficult
  • Seams difficult

Maintenance and Repair

  • Minimal maintenance
  • Renewable with simple recoats
  • Simplified flashing and details

  • Major reconstruction needed
  • Costly and frequent
  • Difficult to inspect and repair
  • Leaks hard to locate

  • Non-renewable
  • Must be torn off at end of lifecycle
  • Difficult to inspect and repair