Keraflex Plus

Professional, Extra Smooth, Large-and-Heavy-Tile Mortar with Polymer

Keraflex Plus is a highly versatile, non-sag/nonslump, large-and-heavy-tile mortar and thin-set mortar for tile and stone installations on floors, walls and countertops. This polymer-modified mortar is formulated with Easy Glide Technology™ for ease of application and offers excellent adhesion to substrates and tile. It can also be used as a mortar over uncoupling, crack-isolation, sound-reduction and waterproofing membranes.

Professional, Extra Smooth, Large-and-Heavy-Tile Mortar with Polymer

Keraflex Plus is a highly versatile, nonsag/nonslump, large-and-heavy-tile mortar and thin-set mortar for tile and stone installations on floors, walls and countertops. This polymer-modified mortar is formulated with Easy Glide Technology for ease of application and offers excellent adhesion to substrates and tile. It can also be used as a mortar over uncoupling, crack-isolation, sound-reduction and waterproofing membranes.

  • High-Transfer Technology for superior mortar-wetting properties
  • Extra smooth, creamy consistency for ease of application 
  • Easy mixing, handling and troweling properties 
  • Ideal for edge-leveling clip applications 
  • Nonsag formula for large-format and heavy tile/stone in wall applications 
  • Nonslump formula for large-format and heavy tile/stone in floor applications 
  • For bond coats up to 1/2″ (12 mm) in embedded thickness 
  • Polymer-enriched for high performance 
  • For use over plywood and a variety of membranes
MAPEI Tech Tip – 44 lbs. vs. 50 lbs. for Keraflex mortars
MAPEI Tech Tip – 44 lbs. vs. 50 lbs. for Keraflex mortars
Keraflex mortars with High-Transfer Technology
Keraflex mortars with High-Transfer Technology
MTI-TV #17 – Keraflex mortars and High Transfer Technology
MTI-TV #17 – Keraflex mortars and High Transfer Technology
MAPEI Webinar – Mortar Selection Simplified: Keraflex™ Technology to the Rescue!
MAPEI Webinar – Mortar Selection Simplified: Keraflex™ Technology to the Rescue!
TISE TV 2021 – MAPEI’s trusted technology and new innovations for installing/finishing tile floors
TISE TV 2021 – MAPEI’s trusted technology and new innovations for installing/finishing tile floors
MAPEI Webinar – Selecting and Specifying Ceramic Tile with ANSI and ISO Standards
MAPEI Webinar – Selecting and Specifying Ceramic Tile with ANSI and ISO Standards
MAPEI at Coverings 2021: Trusted Technology
MAPEI at Coverings 2021: Trusted Technology

Technical Data Sheet

Available Colors

White
Gray

FAQs

FAQ
Which tile mortars are recommended for use over Mapelastic® AquaDefense?

MAPEI mortars for use over Mapelastic AquaDefense are: Ultraflex® LFT™, Ultraflex LFT Rapid, Ultraflex LHT®, Keraflex™ Plus, Ultraflex 1, Keraflex SG, Ultraflex LHT SG mixed with Keraply®, Adesilex™ P10 Mosaic & Glass Tile Mortar mixed with Keraply, MAPEI Ultralite™ Mortar and Kerapoxy® 410.

FAQ
What is the right mortar for my tile size?

Cement thin-set mortars, such as MAPEI's Keraflex™ SG and Porcelain Tile Mortar, are good for tile up to 15" (38 cm) on any side. If your tile has any side longer than 15" (38 cm), you will need a large-format-tile (LFT) mortar, such as MAPEI's Keraflex Plus or Ultraflex® LFT™ .

FAQ
Can I use MAPEI's Keraflex™ SG for ceramic tile?

Yes, MAPEI's Keraflex SG and Keraflex Plus can be used with both procelain and ceramic tiles.

FAQ
Is a polymer-enriched mortar the same thing as a latex-modified mortar?

Yes, there are several terms used to describe a cement-based tile mortar that contains polymer, such as "latex-enriched," "latex-modified," "polymer-enriched" and "polymer-modified." MAPEI's Ultraflex® 1, Keraflex™ SG , Keraflex Plus , Ultraflex LFT™, MAPEI Ultralite™ Mortar and Adesilex™ P10 Mosiac & Glass Tile Mortar contain polymer and are considered modified.