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Save 10% on all Tile Cutters this month- Code June-24
Save 10% on all Tile Cutters this month- Code June-24

ARDEX X 3™ PLUS LHT - Large and Heavy Tile and Stone Mortar - 64 Piece Pallet

SKU 38025
Color: White
by Ardex
Original price $988.73 - Original price $1,078.33
Original price
$988.73 - $1,078.33
Current price $1,078.33

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ARDEX X 3™ PLUS LHT - Large and Heavy Tile and Stone Mortar, 64 X 40lb Bag Pallet

Transform your tiling projects with ARDEX X 3™ PLUS LHT, the specialized mortar designed for superior handling and bonding of large and heavy tiles.


  • Specialized for Large Tiles: Ideal for large and heavy tile and stone.
  • Versatile Tile Compatibility: Perfect for porcelain, quarry, ceramic, and most natural stone tiles.
  • Enhanced Thickness Range: Effective for thicker bond coats from 3/32” to 1/2".
  • Non-Sag Formula: Suitable for both wall and floor applications.
  • Minimized Slump: Ensures consistent tile level and alignment.
  • Easy Application: Creamy consistency for smooth, effortless spreading.
  • Indoor and Outdoor Use: Versatile for interior and exterior projects.
  • Extended Workability: Offers a 3-hour pot life for flexibility in application.
  • Plywood and Concrete Friendly: Can be used over exterior-grade plywood and concrete surfaces.
  • Comes in Bulk: Available in a 64 x 40lb bag pallet for large-scale projects.


  • SystemOne™
  • Meets or exceeds ANSI 118.4
  • Meets or exceeds ANSI 118.11
  • ISO Classification: C2 TE P1


Mixing Ratio: 5 1/4 – 6 quarts (4.7 – 5.6 L) of water per 40 lb. (18 kg) bag
For smaller batches, use 2.5 parts powder to 1 part water by volume

Approximate Coverage per 40 lb. (18 kg) bag:

1/4” x 1/4” x 1/4” Sq. Notch Trowel; 90 sq. ft. (8.4 sq. m)

1/4” x 3/8” x 1/4” Sq. Notch Trowel; 65 sq. ft. (6 sq. m)

1/2” x 1/2” x 1/2” Sq. Notch Trowel; 45 sq. ft. (4.2 sq. m)


  • Open Time: Up to 30 minutes
  • Pot Life: 3 hours
  • Working  Time: 15 – 30 minutes
  • Time to Grout: Walls:  8 hours; Floors: 24 hours
  • Colors: Gray/White
  • VOC: 0
  • Packaging: 40 lb. (18 kg) bag
  • Storage: Store in a cool, dry area. Do not leave bags exposed to sun.
  • Shelf Life: 1 year, if unopened
  • Warranty: ARDEX L.P. Standard Limited Warranty applies. Also eligible for the ARDEX SystemOne™ Warranty when used in conjunction with ARDEX grouts and ARDEX caulks.


More Details

ARDEX X 3™ PLUS LHT Mortar is a game-changer for professionals handling large and heavy tile and stone installations. This polymer-modified mortar is expertly formulated to provide a steadfast bond for a wide range of tile types, including porcelain, quarry, ceramic, and most natural stones. What sets ARDEX X 3™ PLUS apart is its unique ability to maintain a non-sag consistency, making it an ideal choice for both wall and floor applications, ensuring that tiles stay perfectly aligned during the setting process. Its versatility extends to various substrates, including exterior-grade plywood and exterior concrete, broadening the scope of potential projects. The mortar's creamy consistency makes it easy to apply, reducing fatigue and increasing efficiency on the job. It's designed for thicker bond coats, allowing adjustments from 3/32” to 1/2” after tile embedding, providing unparalleled flexibility in application. This product's 3-hour pot life offers ample working time, ensuring that projects are not rushed and quality is maintained. Available in a 64 x 40lb bag pallet, ARDEX X 3™ PLUS is the go-to solution for professionals working on large-scale tiling projects, both indoors and outdoors, where reliability and strength are paramount.

What's Included
  • 64 Piece Pallet

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