Product systems: Bahnenabdichtungen

AE Sealing and Decoupling Membrane  

AE Sealing and Decoupling Membrane


The BOTAMENT® AE Sealing and Decoupling Membrane is a universal composite sealant used under tiles and natural stone coverings, both in interior and exterior areas.

The product is suitable for the waterproofing of wall and floor areas in private or commercial zones, and can also be used to seal areas which are subject to heavy water loads in connection with chemical exposure as for example in canteen kitchens.


  • Elastic
  • For damp locations, balconies and terraces
  • Highly tear-proof
  • Quickly and easily fitted
  • Extremely good ageing resistance
  • High chemical resistance
Application areas


Sealing of:

  • concrete, lightweight concrete, and porous concrete
  • fresh concrete (age ≥ 3 month)
  • joint full brickwork
  • cement screeds and calcium sulphate screeds
  • mixed substrates
  • plasters of the mortar categories CS II, CS III and CS IV in accordance with EN 998 (compressive strength ≥ 2.5 N/mm²)
  • old tiling
  • BOTAMENT® BP building boards
  • fibre cement boards
  • gypsum plaster boards
  • gypsum walls


Substrate preparation


The substrate must be in the following condition:

  • dry, clean and frost-free
  • stable
  • free from grease, paint, cement laitance, separating agents and loose particles

Absorbent substrates must be primed with BOTAMENT® D 11.




cool and dry




  • lay out the BOTAMENT® AE Sealing and Decoupling Membrane
  • cut to fit using a carpet knife or scissors
  • apply BOTAMENT® M 21 Classic Flexible Superior Adhesive or BOTAMENT® M 10 Speed Flexible Adhesive onto the prepared substrate (notched trowel: 4 or 6 mm)
  • install the BOTAMENT® AE Sealing and Decoupling Membrane within the adhesive's open-time (ensuring at least 5 cm overlap)

The subsequent tile fitting can be performed using BOTAMENT® M 21 Classic, BOTAMENT® M 10 Speed, BOTAMENT® M 29 HP, BOTAMENT® EF 500 EK 500, MULTISTAR® or MULTISTONE®. Joints, internal and external corners as well as penetrations are pasted over with BOTAMENT® SB 78 sealing tape and accessories.


Vital information


BOTAMENT® AE Sealing and Decoupling Membrane installed with the tile adhesives BOTAMENT® M 21 Classic and BOTAMENT® M 10 Speed has General Building Authority Approval as a system.


Container Dispatch unit sold by the pallet Product number EAN Code
Length: 10 m; Width: 1 m Paper sack - 25 boxes Units/s 87700100925609 4030905131420
Length: 30 m; Width: 1 m Paper sack blue - 16 boxes Units/s 87700000915609 4030905130591
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