Product data sheets

Product Description

Flexible, crack-bridging, stress-relieving waterproofing and separating membrane made from high-grade polypropylene. Special nonwoven coating on either side ensures strong bond between membrane and cementitious tile adhesive. Particularly suitable for use as reliable, flexible waterproof membrane and separating layer outdoors on balconies and patios below natural stone coverings and ceramic tiling.

Special sheet ensures better stress equalization in response to abrupt temperature changes. Use of Sopro AEB plus 639 allows installation of natural stone and ceramic coverings without long waiting times.

  • For walls and floors, indoors and outdoors
  • To protect against water action on normal, recessed and access balconies, based on DIN 18531 Part 5
  • Water action classes W0-I to W2-I to DIN 18534 1) and solutions based on W3-I (also for chemical loads in all water action classes)
  • Particularly suitable for balconies and patios
  • Waterproof, alkali-resistant
  • For laying large-format fully vitrified stoneware units outdoors
  • Outstanding separating performance, both indoors and outdoors
  • Flexible and crack-bridging
  • Minimal increase in time lag for floor heating
  • Ready-to-use, no check on coat thickness required
  • Thickness: approx. 1.1 mm
  • Rapid, straightforward application
  • Resistant to microorganisms

Delivery Forms & order numbers

Order nr. Packaging Packages/pallet Pallet Weight
639-01 Roll (100 cm wide) 15 m 35 approx. 232 kg

Test certificates

  • Available upon request
  • Very low emission according to GEV-Emicode EC1PLUS


approx. 1.0 m²/m²