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Ardex E 90 Admix Tile and Stone Mortar Enhancer

Ardex E 90 Admix Tile and Stone Mortar Enhancer

by Ardex
SKU 23388
$51.79 - $51.79
$51.79
$51.79 - $51.79
$51.79

ARDEX E 90 Mortar Admix is a pro-grade synthetic additive that transforms select tile and stone mortars into high-bonding, flexible and water-repellent systems—perfect for showers, pools, remodels and heavy-duty installations.

More Details

Use this additive when you want more than just “thin-set” performance—when you need improved adhesion, wet-area compatibility, and the ability to work over existing tile or heated subfloors. Just dilute it with water and mix into compatible ARDEX mortars to raise the bar on strength and durability.

  • Enhances bond strength and flexibility when added to select ARDEX mortars
  • Develops water-repellent mortar ideal for wet zones like showers and swimming pools
  • Enables direct tile installation over existing tile without profiling or priming
  • Suitable for interior or exterior use, including heated subfloor systems
  • Compatible with glass tile, natural stone, large-format tile, and other challenging materials
  • Meets low-VOC requirements for modern jobsite compliance
Docs
  1. ARDEX-E-90-Product-Overview.pdf (Download)
  2. ARDEX-E-90-Technical-Data.pdf (Download)
  3. ARDEX-E-90-SDS.pdf (Download)
Shipping & Return Policies

Shipping Policy

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Upgrade Your Mortar with Pro-Level Bonding, Flexibility & Water Resistance

ARDEX E 90™ Mortar Admix is a synthetic additive for use with select ARDEX tile and stone mortars. ARDEX E 90 is diluted with water prior to mixing with mortars. The addition of ARDEX E 90 results in a mortar that, once set and hardened, has high bond strength, excellent elastic and water-repellent properties. ARDEX E 90 is ideal for internal and external tile and stone installations.

Key Features

  • For use with select ARDEX tile and stone mortars (see chart for full details)
  • Improves adhesion and flexibility when setting all tile types
  • Achieves ISO 13007 S2 deformability when used with ARDEX X 77, X 78, S 28 and N 23
  • For interior or exterior use
  • Provides a water-repellant mortar for tiling showers, swimming pools and other wet areas; helps reduce the risk of efflorescence
  • Ideal for setting glass tile when used with ARDEX X 77 White along swimming pool water lines
  • Allows direct tile installation over existing tiles without profiling or priming
  • Suitable for use over in-floor heating systems
  • Low VOCs