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PLIODECK® Insulation Adhesive

PLIODECK Insulation Adhesive... the innovative insulation adhesive system from Ashland. This one-part urethane adhesive system can easily be used on virtually any roofing substrate including:

Compatible Substrates

  • Structural Concrete
  • Pre-cast Concrete
  • Steel-22 Gauge or Lower
  • Lightweight Concrete
  • Poured Gypsum
  • OSB/Plywood
  • Cementitious Wood Fiber (such as Tectum1)
  • Mineral Capped Modified Bitumen or BUR
  • Smooth Surface BUR (Pull Test Required)
  • Base Sheets (Pull Test Recommended)
  • Existing Sprayed Polyurethane Foam


Compatible Insulation and Cover Boards

  • Polyisocyanurate
  • Expanded and extruded polystyrene
  • Perlite insulations
  • Wood fiber and gypsum boardstock


PLIODECK Advantages

  • One part adhesive … no mixing or spray rigs required
  • Only one walk-in required after adhesive begins to foam
  • Lockdown in 30 minutes … full cure in 24 hours
  • Fast and easy installation
  • Eliminates mechanical fastening into concrete decks
  • Excellent strength and heat resistance
  • Solvent-free formulation

PLIODECK Insulation Adhesive is available in 1 or 2.5 gallon cans and can be hand or cart applied without electric power or air pressure.

The simple cart system, which assembles in just a few minutes, eliminates expensive spray equipment, atomized MDI, overspray, clogged nozzles and wands and complicated, messy clean-up. The PLIODECK cart is easily cleaned for re-use.

PLIODECK Insulation Adhesive’s application is fast and easy

  • PLIODECK Insulation Adhesive’s application is fast and easy. Prior to applying the adhesive, the roofing surface should be swept clean and dry. Adhesive is applied to the substrate in 12" o.c. beads (6" on perimeters) and the insulation or recovery boards can be placed immediately.
  • PLIODECK Insulation Adhesive begins to foam within 5 - 10 minutes, and within 30 - 45 minutes the boards will be sufficiently locked down to allow application of waterproofing membrane. These are average times based on typical ambient conditions and substrate moisture.
  • PLIODECK Insulation Adhesive cures to full strength in 24 hours to form a strong, durable bond between the substrate surface and insulation.

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To place an order or inquiry, please call SP&A Customer Service at 1-800-322-6580.

1 Tectum is a registered trademark of Tectum Corporation