Description
High-Build Block Filler & Premium Satin Topcoat in One
Benjamin Moore® Ultra Spec® Masonry Acrylic Latex Satin-FIL is a high-productivity architectural coating developed to maximize labor efficiency on rough concrete masonry units (CMU). Rather than requiring a separate application of a porous block filler followed by two topcoats, Satin-FIL applies thick to bridge physical surface transitions, close open pores, and cure directly into a durable, wash-resistant satin enamel finish.
Best Used For:
• Interior/exterior unpainted or porous concrete blocks (CMU) and aggregate walls
• High-traffic commercial corridors, school locker rooms, gymnasiums, and stairwells
• Mechanical rooms, industrial warehouses, parking garages, and utility vaults
• High-abuse institutional walls requiring rapid turnaround and high cleanability
Key Benefits & Features:
• Pore-Sealing Viscosity: Visibly thick aggregate-free formulation anchors deeply into open block craters, creating a flat, non-porous visual field that limits dust tracking.
• Elite Commercial Washability: Cures to a tight, scrubbable satin matrix that allows dirt, grease, and scuffs to be washed away easily with common industrial cleaners.
• Flash-Rust & Alkali Defensive Core: Specially engineered to tolerate high-alkali masonry surfaces up to pH 13, preventing premature coating breakdown.
Technical Specifications:
• Resin Base Type: Acrylic Latex Enamel
• Finish Sheen: Satin
• Cleanup Solvent: Warm water and soap
• Dry to Touch: 1 to 2 hours | Time Before Recoating: 4 hours
• Application Recommendation: Apply via airless spray and immediately back-roll with a thick nap roller to force the material into open masonry pores.


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