Ardex TL 1400 Self-Leveling Underlayment – Fast. Flat. Ready for Tile
Ardex TL 1400 is a high-performance, polymer-modified blend of Portland and hydraulic cements designed to smooth and level substrates prior to tile installation. Engineered for use over interior concrete, terrazzo, tile, epoxy coatings, and non-water-soluble adhesive residues, it provides an ideal flat surface for large and super-format tile and stone.
Walkable within 2–3 hours and ready for tile installation in just 6 hours, Ardex TL 1400 combines speed, strength, and reliability — the professional choice for fast-track projects.
Key Features
Smooths substrates prior to tiling over concrete, terrazzo, tile, epoxy coatings, and adhesive residues.
Installs up to 2″ (5 cm) neat; can be feathered or tapered to match existing elevations.
Fast application: Walkable in 2–3 hours, ready for tile in only 6 hours.
Interior use only, suitable for above- and below-grade installations.
Provides a flat, durable surface ideal for large and super-format tile and stone.
Zero VOC — safe and environmentally friendly.
Technical Data
Installation:
Mixing Ratio: 5 quarts (4.75 L) of water per 50 lb. (22.7 kg) bag
Approximate Coverage:
25 sq. ft. per bag at 1/4″ (2.3 sq. m at 6 mm)
Coverage will vary depending on the texture of the surface being smoothed.
Performance:
Flow Time: 10 minutes
Initial Set (ASTM C191): Approx. 30 minutes
Final Set (ASTM C191): Approx. 90 minutes
Compressive Strength (ASTM C109/mod – Air cure only): 4500 psi (315 kg/cm2) at 28 days
Flexural Strength (ASTM C348): 1000 psi (70 kg/cm2) at 28 days
Walkable: 2 to 3 hours
Install Flooring: Tile in 6 hours; other floor coverings see Installation of Flooring section in the Technical Data.
VOC: 0
Packaging: 50 lb. (22.7 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\n\n
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| SKU | AR TL 1400 |
|---|---|
| UPC | 709850008364 |
| Weight (lbs.) | 50.0 |
| Non-Returnable | No |
| Manufacturer | Ardex |
| Manufacturer Part Number | 38118 |
