Professional Fire-Resistant PU Foam Sealant DONEWELL® 65

Professional Fire-Resistant PU Foam Sealant DONEWELL® 65

DPPF10U65

Developed for installing windows and glazed units and for a wide range of professional sealing, thermal and acoustic insulation work in construction. Suited to structures with increased fire resistance requirements.

The FSFT® cell-structure modifiers in the formulation fill the installation joint at low expansion and curing pressure, so that, when applied correctly, the foam does not distort structural elements such as window frames, door frames and window sills.

A feature of the all-season professional fire-resistant DONEWELL® foam sealant is the consistent, even foam output from the can throughout the filling of the joint. Thanks to the water-repellent surface skin and the high closed-cell content, fully cured DONEWELL® foam substantially reduces the passage of humid air through the installation joint. The joint keeps its thermal insulation performance in various climatic conditions, which lowers the heating costs of the building.

It has excellent adhesion to most building materials, such as concrete, brick, wood, metal and plastic, except for polyethylene, polypropylene and polytetrafluoroethylene (PTFE).

FSFT

FSFT® (Firestop Flex Technique) controls the fire resistance of joints across different depths and widths.

  • Post-expansion — no more than 25%.
  • Low curing pressure on the structure — no more than 8 kPa (TM 1009:2013).
  • Foam yield — up to 65 liters*.
  • Joint yield — fills up to 45 m of a standard 3 × 3 cm joint*.
  • Tack-free time — up to 12 minutes*.
  • Cutting time — up to 35 minutes*
  • Dimensional stability across the whole service temperature range of the installation joint.
  • High resistance to moisture and mold.
  • Does not contain harmful solvents and fillers. Cured foam is inert and safe to handle.

* At a temperature of +23°C and a relative humidity of 50%.

Item code: DPPF10U65. CATEGORY:

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