Product Overview

LATICRETE® 325 High Flex is a high-performance, polymer-modified, cement-based tile adhesive ideal for fixing a wide variety of tiles and stones on both floors and walls. Engineered for strength, flexibility, and durability, it meets and exceeds major international and Indian adhesive standards – making it the trusted choice for residential, commercial, and industrial tiling applications.

Where to Use

• Indoor & Outdoor: Floors & Walls

• Tile Types: Ceramic, Vitrified, Porcelain, Glass Mosaic, Natural Stone, Quarry Tiles, Cement Terrazzo

• Substrates:

  • Concrete (including VDF/Tremix)

  • Cement Mortar Beds & Plaster

  • Cement Backer Board**

  • Brick Masonry

  • Calcium Silicate Board**

  • Gypsum Wallboard**

  • Existing Tiles (Tile-on-Tile)

  • Swimming Pools, Saunas, Washrooms, Wet Areas

Note: Always check with the backer board manufacturer for compatibility and load capacity.

Key Features & Benefits

✅ Single component – just add water
✅ Excellent adhesion to a wide range of substrates
✅ Up to 12 mm bed thickness
✅ Water & shock resistant
✅ Exceeds ANSI A118.4 shear bond strength
✅ Conforms to IS 15477:2019 (Type 3T), EN 12004 (C2TE), ISO 13007
✅ Suitable for wet-on-wet applications
✅ Ideal for swimming pools & glass mosaic installations
✅ Long open time – up to 30 minutes
✅ Easy to mix, apply, and clean

Coverage

Approx. 55 sq.ft. per 20 kg bag at 3 mm bed thickness using a 6x6 mm notched trowel.
Coverage may vary depending on tile size, trowel notch, and surface condition.

Mixing Ratio

5.5 – 6.0 liters of water per 20 kg powder.
Mix to a trowelable consistency. Allow to slake for 5 minutes before remixing.

Application Instructions

• Apply using a notched trowel on a clean, sound, and prepared substrate.

• Spread adhesive for an area that can be tiled within 10-15 minutes.

• Back-butter large tiles for complete coverage.

• Use spacers for grout joints and remove excess adhesive before it dries.

• Suitable for glass mosaic with proper preparation and tool selection.

Performance Ratings

Shelf Life

1 Year in original sealed packaging when stored in a dry environment off the ground.

Recommended Grouts

• Interior: SP-100 Stainfree Grout

• Exterior: MYK LATICRETE Stellar Grout (UV & movement resistant)

Important Notes

• Do not apply over expansion joints – follow ANSI/TCA expansion joint guidelines.

• For overhead or ceiling installations, verify substrate pull-off strength.

• For stone tiles with mesh backing, remove mesh and epoxy layer prior to installation.

• Use MYK LATICRETE PUA 212 or DWA 215 for installations on wood or special surfaces.