Window reveal bead with mesh PUR-FIX-pro-KWith shadow gap for float-finish plaster and 12.5 cm mesh, grey

Die APU-Window reveal bead with mesh PUR-FIX-pro-K, grey W38-pro-K

The APU window reveal bead with mesh PUR-FIX-pro-K is used in compound heat insulation systems as specified in the latest APU selection criteria. The profile is put in place shortly before the insulation of the reveal, is fixed flush to the structural element and after completion of the plastering work provides a clean and reliable termination of the plaster with a shadow gap. The profile contour enables the application of a thick layer of plaster / float-finish plaster.

The profile comes with an expanding PUR sealing strip, which ensures a direct, watertight and lasting seal with the structural element without any use of adhesives. The PUR sealing strip is impacted lengthways in the profile and has an overhang for sealing the joint. The PUR sealing strip is able to absorb relatively large movements in the area around the joint. There is a fabric window reveal bead welded onto the profile. Each bar has a fabric overhang on one side of 10cm in the lengthways direction. There is a piece of self-adhesive tape on protective flap in order to secure the third-party protective film. This protects the window during the plastering work. After completion of the work the protective flap and the red activation tab are removed and what is created is a clean plaster edge. The profile is thus suitable for all standard windows and doors and can be universally used.

Area of application W38 PUR-FIX-pro-K

Without adhesive connection – suitable for all standard doors and windows
No test of adhesion required

Window position
Within masonry
Insulating material thicknessup tp 400mm
Window sizeup tp 15m²
Flush with masonry
Insulating material thicknessup tp 400mm
Window sizeup tp 15m²
In front of masonry
Insulating material thicknessup tp 400mm
Window sizeup tp 15m²

Tested according to:

  • VDPM leaflet: Class A without adhesive connection
  • Ö-Norm B 6400-2: Class III


Window reveal bead with mesh PUR-FIX-pro-K, With shadow gap for float-finish plaster, Grey, similar to RAL 7016
Length2.4 m
Packaging unit25 bars = 60 m
Weight (per PU)12.4 kg


  • Rigid PVC manufactured under DIN-16941
Protective flap
  • Detachable with soft TPE connection and double-sided self-adhesive tape
  • PE foam tape 6 x 1 mm
  • PUR sealing strip, 10 mm, type BG1
  • Watertight for joints of 3 - 9 mm
  • Min. 160 g/m2 approved for compound heat insulation systems
  • 12.5 cm wide – MW 6 x 6 mm
  • Ultrasonic welded

Important notes

StorageAlways store profiles laid down in a dry place.
Test of adhesionNo test of adhesion required.
Other applicationsAny applications not clearly described in the documents may be implemented only after consultation with the plaster or ETICS manufacturer.
Selection criteriaAdhere to the latest APU selection criteria.


Sectional drawing in mm


Application drawing



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