Ardex X 4 LFT Large Format Modified Tile and Stone Mortar - 40 lb bag

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Versatile, polymer-modified mortar designed for large format tile and stone. Suitable for interior and exterior use, compatible with uncoupling membranes, and resistant to water and frost.
As low as $22.00

Brand: Ardex

Availability: Sold In Store - Ships From Store (More Info)

Shipping: Standard (More Info)

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SKU
AR X4

Ardex X 4 LFT Large Format Modified Tile and Stone Mortar — Confidence in Every Tile

Ardex X 4 LFT is a high-performance, easy-to-use tile and stone mortar formulated for the installation of large format tile and natural stone. With excellent adhesion and a 3-hour pot life, it is the ideal choice for both professionals and DIY installers.

Can be used to set porcelain, quarry, ceramic, mosaic, and moisture-insensitive natural stone over a wide range of substrates including concrete, masonry, exterior-grade plywood, and uncoupling membranes. Its water and frost resistance ensures long-lasting performance in both interior and exterior applications.

Key Features

  • Ideal for large format tile and stone
  • Suitable for porcelain, quarry, ceramic, mosaic, and moisture-insensitive natural stone
  • Can be used above and below uncoupling membranes
  • Easy to mix and apply
  • 3-hour pot life for extended working time
  • Interior and exterior use; water and frost resistant

Installation:

Mixing Ratio: 5 – 5 1/2 quarts (4.7 – 5.2 L) of water per 40 lb. (18 kg) bag
(For smaller batches, use 2.75 parts powder to 1 part water by volume)

Approximate Coverage:

  • 1/4" x 1/4" Sq. Notch Trowel; 80 sq. ft. (7.4 sq. m)
  • 1/4" x 3/8" x 1/4" Sq. Notch Trowel; 60 sq. ft. (5.5 sq. m)
  • 1/2" x 1/2" Sq. Notch Trowel; 40 sq. ft. (3.7 sq. m)

Performance:

  • Open Time: Up to 10 – 15 minutes
  • Pot Life: Approx. 3 hours
  • Working Time: Approx. 15 – 20 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

Calculator Ardex X 4

More Information
SKUAR X4
Weight (lbs.)39.68
Non-ReturnableNo
ManufacturerArdex
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Customer Questions
Can I use it for ceramic tiles?
Yes, you can use it for setting ceramic tile.
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