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Insulation Technology, Inc.
35 First Street
P.O. Box 578
Bridgewater, MA 02324
Tel: (508) 697-6926
Fax: (508) 697-6934
www.insultech-eps.com

Member of
EPS Molders Association

EPS Roofing Applications

High insulation value, good water resistance, light weight and low cost make versatile EPS insulation from Insulation Technology, Inc. ideal for use in a variety of single-ply membrane systems and built-up roofs (BUR) used in new construction and reroofing applications.


Built-Up Roofs (BUR)
Over Metal Deck

  • Good insulation value, low cost; meets most fire codes and ratings.
  • May use EPS/fiberboard composite, or mop and flop fiberboard or per-lite to EPS with asphalt.
  • Thermal barrier such as perlite or gypsum board may be factory lami-nated or attached with mechanical fasteners, asphalt or adhesive.
  • Use flat or tapered EPS.
EPS Roofing Application

Adhered Single Ply
Membrane Re-Roof

  • Adds high insulation but little weight to the existing roof.
  • Mechanical fasteners penetrate EPS and attach to deck.
  • Stone ballast may be used if weight is not a limitation.
  • Some membranes require barrier sheet separation from EPS.
EPS Roofing Application

Ballasted Membrane Over
Metal Deck

  • Long-term performance in a light weight system.
  • Span deck flutes and meet code/ insurance requirements with specified underlayment board.
  • Flat or tapered EPS insulation panels are loose-laid under membrane.
  • Membrane can also be fully adhered or mechanically fastened for a smooth exposed surface.
  • Some membranes require barrier sheet separations from EPS.
EPS Roofing Application

Tapered EPS for New Roof or ReRoof

  • Eliminates ponding; provides positive drainage in new or retrofit roofs.
  • EPS insulation manufactured with minimum slope of 1/4" per foot.
  • Taped overlayment assures surface continuity.
  • Vapor retarder optional depending on environmental conditions.
EPS Roofing Application

For more information about Insulation Technology Inc.'s products, please contact us online or give us a call at 508 697-6926.
We look forward to hearing from you soon and welcome the opportunity to quote your next project.

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