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Ardex X77 Microtec Fiber Reinforced Tile and Stone Mortar (40 lb bag)

Ardex X77 Microtec Fiber Reinforced Tile and Stone Mortar (40 lb bag)

by Ardex
SKU 16013
$51.29 - $3,589.00
$58.59
$51.29 - $3,589.00
$58.59
Color: White
Quantity: 40 lb bag

Ardex X77 is a premium, high-performance tile and stone mortar engineered with MICROTEC® fiber reinforcement for exceptional bond strength, extended open time, and unmatched workability. It’s built for demanding installations, large-format tile, and tough surfaces where precision and reliability matter most. When you need a mortar you can trust on every job, X77 is the gold standard.

More Details

Ardex X77 delivers outstanding adhesion, smooth handling, and superior flexibility—ideal for porcelain, natural stone, and large-format tile on walls or floors. Its MICROTEC® fiber technology enhances sag resistance and long-term durability for installations that need to perform under stress.

  • Premium thinset mortar with MICROTEC® fiber reinforcement
  • Extremely high bond strength for porcelain and dense materials
  • Excellent non-sag properties for large-format wall tile
  • Extended open time for easier installation in complex layouts
  • Smooth, creamy consistency for superior handling
  • Suitable for interior floors, walls, and ceilings
  • Ideal for porcelain, glass tile, quarry tile, and natural stone
  • Approved for large-and-heavy-tile applications
Standards

SystemOne™
MICROTEC®Technology
Meets or exceeds ANSI 118.4
Meets or exceeds ANSI 118.11
Meets or exceeds ANSI 118.15
ISO Classification: C2 T (T) E (E)

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Ardex X77 Microtec Fiber Reinforced Tile and Stone Mortar - The Premium Mortar Built for Modern Tile & Stone Installations

ARDEX X 77™ MICROTEC® Fiber Reinforced Tile and Stone Mortar is a high-performance, microfiber-reinforced, polymer-modified mortar formulated especially for large format tile installations. Use to install porcelain, glass, quarry, ceramic and most natural stone tiles* over interior or exterior concrete and masonry floor and wall surfaces. Also use for interior applications over exterior-grade plywood. ARDEX X 77 is ideal for use in swimming pools and fountains and over in-floor heating systems and is recommended for all tile sizes, including mosaics.

Features:

  • Use for setting porcelain, glass, quarry, ceramic and most natural stone tiles*
  • Advanced technology for very large, thin, porcelain tiles
  • Extended open time of 60 minutes – double the ISO standard
  • Unmatched sag resistance – double the ISO standard
  • Outstanding coverage – 110 sq. ft. per bag with ¼” sq. notch trowel
  • Medium bed applications (large and heavy tile mortar)
  • Water and frost resistant – ideal for swimming pools and high traffic areas
  • Extremely easy to mix and apply
  • Highly flexible; 3-hour pot life