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DUOTACK® SPF ADHESIVE SKU: A904

DUOTACK® SPF ADHESIVE SKU: A904

DUOTACK SPF Adhesive is a low pressure, two-component spray polyurethane foam adhesive specially formulated by SOPREMA for adhering SENTINEL HFB membranes to approved substrates in a spatter pattern as well as a ribbon applied adhesive for adhering insulation and coverboards to approved substrates or together. Backed by the proven DUOTACK formulation as it base, DUTOTACK SPF was developed to provide application benefits for rooftop projects. DUOTACK SPF comes in a kit, containing both the A & B side components and a hose and nozzle kit, containing a 25′ hose and application gun with replacement nozzles.

Product Properties

  • Overlying Material PVC Membrane
  • Overlying Material Coverboard, Insulation

Installation

DUOTACK SPF should be applied to approved substrates free of oil, grease and other contaminants. For spatter applications to adhere SENTINEL HFB membranes, DUOTACK SPF should be applied to cover 55%-65% of the substrate covering approximately 30 squares per kit. Membrane is then rolled and broomed into place prior to cure. Product cure time can range from 1-8 minutes pending ambient air and substrate temperatures.

DUTOACK SPF can be applied in ribbon applications at 2.5 inch beads for adhering insulation and coverboard. Maximum spacing for ribbons is 12 inches on-center, which yields approximately 30 squares per kit, although 6 inches or 4 inches on-center may be used in perimeter and corners. Decreased spacing of the ribbons will result in less coverage.

 

Testing & Approvals

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Related Projects

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In 2017, the Northwest Wine Academy was in need of a new retrofit roofing project. The retrofit was to take place over the existing metal roof covering 10,735 square feet. To complete the project, SOPREMA’s SENTINEL® P150 HFB Copper Art was selected as the main roofing membrane.

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Roof Rite, the roofing contractor on the job, brought SOPREMA products into the mix based on the wide product selection and proven past performance.