Schluter®-PRIMER-U is a ready-to-use universal primer used to enhance adhesion of mortars for hard-to-bond substrates such as gypsum underlayment, existing tile, terrazzo, steel (e.g. raised access panels), flooring adhesive residue, concrete with curing compounds, latex paint, and glass tile.

• Ideal for use with Schluter SET®, ALL-SET, and FAST-SET thin-set mortars, and Schluter underlayments such as Schluter®-DITRA and DITRA-HEAT
• Ready-to-use, single-coat application with roller or broom
• One-component, solvent-free, water-based acrylic formulation
• Low odor and zero-VOC
• Freeze/thaw stable
• Quantity - 1 quart (946 ml) Coverage* - 50-135 ft2 (5-12.5 m2)
• Quantity - 1 gallon (3.78 L) Coverage* - 250-550 ft2 (23-51 m2)
• Quantity - 5 gallons (18.9 L) Coverage* - 1250-2750 ft2 (116-255 m2)