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Professional summer PU foam sealant PROFF 50+


KUPP10S50+ back
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Intended for the installation of translucent structures, door blocks, and window sills, for mounting wall panels, sealing cracks and gaps, and performing thermal and acoustic insulation of joints, as well as other construction, finishing and installation works.

Polyurethane Foam Sealant PROFF 50+ is one-component and high quality product. It has high adhesion to most building materials, such as concrete, brickwork, plaster, wood, and plastic, except for polyethylene, polypropylene and polytetrafluoroethylene (PTFE). Provides a uniform, stable output and a perfect, fine-cell structure of the finished foam.

It provides excellent thermal and sound insulation. Does not cause structure deformation due to low secondary expansion.


The innovative Smart2Lock® valve equipped with a 2-way lockout device. Compatible with all standard professional foam guns.


This ingenious formulation comprising AFC® components allows for the use of a summer type foam sealant, when the can temperature is as low as °С.


  • Foam yield — up to 50 liters.*
  • The length of a standard (3×3 cm) gap that can be filled with foam from a single can — 42 m*.
  • Secondary expansion — 15–30%.
  • First treatment time — up to 10 minutes*.
  • First treatment time — up to 20 minutes*.
  • Does not contain harmful solvents and fillers. Environmentally friendly when cured.
  • Shelf life – 24 months.
  • Color – white.

KUDO® MONTAGE SYSTEM is a system encompassing a range of professional materials designed to be used during installation (including securing and sealing) of window/balcony/door units in openings in exterior walls of buildings and structures.


(equipped with a 2-way lockout device)

Ensures the absence of propellant vapors

Ensures the absence of propellant vapors, which provides the maximum foam yield during the entire storage period.

Makes moisture penetration into the can impossible

Makes moisture penetration into the can impossible and minimizes the risk of the valve sticking.

Made of materials that do not deteriorate under the influence of the can contents and rapid temperature changes.

Made of materials that do not deteriorate under the influence of the can contents and rapid temperature changes.

No specific equipment required

No specific equipment required — compatible with all standard professional foam guns.

Enables the transportation of the can in a horizontal position

Enables the transportation of the can in a horizontal position due to a high degree of tightness and heavy-duty materials.

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

Technical Information


1000 ml



Units per box

12 units

Foam type


Shelf life

2 years



How to use

  • Make sure that the valve seat in the gun adapter is thoroughly cleaned before starting work. Otherwise, the valve may operate prematurely.
  • For best results, apply the product at an ambient temperature from 0°C to +35°C and at a relative humidity not lower than 50%.
  • In order to obtain maximum output and optimal physical and mechanical properties of the foam, keep the can at a temperature of +18°C to +20°C for at least 10 hours before use.
  • It is recommended to cover nearby surfaces with plastic film to do the work cleanly.
  • Apply the foam to clean surfaces free of dust, dirt, grease, ice and frost.
  • Mist with water the application surfaces before applying the foam in ambient temperatures above 0°C.
  • The operating position of the can is UPSIDE DOWN.
  • Remove the protective cap from the can.
  • Screw the gun onto the cross-shaped threaded adapter. Make sure the connection is tight.
  • Shake the can well at least 15 times in 30 seconds.
  • Fill gaps to 2/3 of their volume by applying the foam from bottom to top.
  • Shake the can from time to time while working.
  • After application, mist the foam with water using an spray gun in ambient temperature above 0°C.
  • Cut off the foaming overspray with a knife after it has cured completely.
  • Remove uncured foam with KUDO® FOAM & GUN CLEANER.
  • Cured foam can be removed with KUDO® FOAM REMOVER.
  • When the foam has cured completely (24-48 hours), it can be cut, plastered and painted.
  • Protect the cured foam from UV exposure and atmospheric precipitation.

Optimal KUDO winter type PU foam sealant application temperature ranges:

Ambient temperature 20°С 0°С -10°С -23°С
Can’s temperature +18°С … +22°С +15°С … +18°С +10°С … +15°С +5°С … +10°С

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