Skip to content
Free Shipping on Most Orders $200 or More!
Free Shipping on Most Orders $200 or More!

CUSTOM ProLite Large Format Tile Mortar

CUSTOM® ProLite® Premium Large Format Tile Mortar is designed for contractors and tile installers handling large, heavy tiles on floors and walls. This lightweight mortar offers excellent coverage and strong bonding while being easier to mix and spread than traditional mortars. Its non-sag, non-slump formula ensures stable placement up to 3/4" thick, making installations faster, cleaner, and more reliable for interior and exterior applications.

Learn More!

Currently Unavailable

This item is not open for ordering.

Coming Soon

Expected to be added to our catalog soon.

No Preorders Accepted

This item cannot be reserved or purchased early.

Stay Notified

Check back or contact us for updates.

Description

CUSTOM® ProLite® Premium Large Format Tile Mortar is a top choice for contractors and tile installers needing a lightweight, high-performance mortar. Ideal for large and heavy tiles on interior and exterior floors and walls, this product offers excellent coverage and superior bonding strength while being easier to handle than traditional mortars. Its non-sag, non-slump formula supports medium bed applications up to 3/4" thick, making installation faster and more reliable.

Key Features & Benefits

  • Non-slump: Works as a thin or medium bed mortar up to 3/4" thickness, ensuring stable tile placement.
  • Sag and slip resistant: Holds wall tiles firmly in place right after installation, reducing rework.
  • Lightweight: A 30 lb. bag covers the same area as 50 lbs. of traditional mortar, reducing labor fatigue and shipping costs.
  • High bond strength: Exceeds ANSI A118.15HET and A118.11 standards without additives for reliable tile adhesion.
  • Versatile substrate compatibility: Suitable for concrete, masonry, plaster, waterproof membranes, plywood (dry areas), gypsum board, and more.
  • Safe formulation: Does not contain silica sand, supporting safer handling on job sites.
  • Pool and water feature approved: Meets ANSI A118.15 standards for exterior wet areas including pools.

Specifications

Property Test Method Requirement Typical Results
Pot Life - 4 Hours 4 Hours
Open Time (E) A118.15 Section 5.3 E = 30 Minutes Pass
4 Week Shear Bond Strength - Glazed Wall Tile A118.15 Section 7.1.2 > 450 psi 550 - 650 psi
4 Week Shear Bond Strength - Porcelain Tile A118.15 Section 7.2.5 > 400 psi 400 - 500 psi
4 Week Shear Bond Strength - Quarry Tile to Plywood A118.11 Section 4.1.2 > 150 psi 225 - 300 psi
Sag on Walls A118.15 Section 6.0 < 0.02 mm Pass

Coverage & Packaging

Item Code Size Color Package
PLMG30 30 lb (13.6 kg) Gray Bag
PLMW30 30 lb (13.6 kg) White Bag

Mixing Ratio: Mix 5.75 - 6 quarts (5.4 - 5.7 L) clean water per 30 lb bag.

For best results, use a trowel that promotes mortar ridge collapse, such as a 3/4" × 9/16" × 3/8" U-notch at a 300° angle, ensuring ≥80% coverage under tile for dry areas and ≥95% for wet or exterior applications.

CUSTOM® ProLite® offers unmatched ease and reliability in tile installation. Lightweight yet strong, it speeds up your job while meeting tough industry standards.

Frequently Asked Questions

What is CUSTOM® ProLite® Premium Large Format Tile Mortar used for?
CUSTOM® ProLite® Premium Large Format Tile Mortar is used for installing large and heavy tiles on interior and exterior floors and walls. It provides excellent coverage, superior bonding strength, and supports medium bed applications up to 3/4" thick for reliable tile placement.
What makes CUSTOM® ProLite® Mortar different from standard mortars?
CUSTOM® ProLite® Premium Large Format Tile Mortar is lightweight yet high-performance, making it easier to handle than traditional mortars. It is non-sag, non-slump, and meets ANSI A118.15HET and A118.11 standards without additives for strong, dependable adhesion.
Which surfaces are compatible with CUSTOM® ProLite® Mortar?
CUSTOM® ProLite® Premium Large Format Tile Mortar works on concrete, masonry, plaster, waterproof membranes, plywood in dry areas, gypsum board, and more. It is suitable for both interior and exterior applications, including pools and water features.
How do you mix and apply CUSTOM® ProLite® Mortar?
CUSTOM® ProLite® Premium Large Format Tile Mortar should be mixed with 5.75–6 quarts of clean water per 30 lb bag. Use a trowel with a U-notch to ensure proper coverage under tiles, achieving ≥80% coverage for dry areas and ≥95% for wet or exterior installations.
Free Shipping

On Qualifying Orders of $200 or More!

Need Help?

Contact Us

Top Brands

Offering 40+ Brands

Returns

30 Day Returns