Schluter-PRIMER-U Universal Primer (1 gal.)

Description

The Schluter-PRIMER-U Universal Primer (1 gal.) is a high-performance, ready-to-use bonding agent designed to enhance mortar adhesion to difficult substrates. This universal primer is ideal for interior use on surfaces such as gypsum, old cutback adhesive, non-water-soluble adhesives, and smooth or low-porosity concrete, making it a versatile solution for a wide range of tile underlayment applications. PRIMER-U is specifically formulated to be used with Schluter thin-set mortars, creating a strong and consistent bond between the substrate and the tile assembly. Whether you’re preparing floors or walls for tile, this primer ensures better coverage, reduces the risk of delamination, and promotes long-lasting performance of your tile installation. Simply apply with a roller or brush—no mixing or dilution required.

Product Features:

• Ready-to-use universal primer for tile installation substrates
• Enhances bond strength between substrate and Schluter thin-set mortars
• Suitable for gypsum, cutback adhesive residue, non-water-soluble adhesives, and smooth concrete
• Ideal for interior floor and wall applications
• Helps prevent delamination and tile system failures
• Easy application—no mixing or dilution needed
• Low odor and fast drying for efficient jobsite use
• Designed for compatibility with Schluter Systems installation products