Sherwin-Williams Builders Base Sealant for Alkaline Surfaces - Matte - White - 5 Gallon

Ensure long-lasting protection with our premium Latex Sealant, specially formulated for alkaline surfaces. Suitable for both exterior and interior use, this versatile product neutralizes surface alkalinity, creating an ideal base for final finishes. Compatible with latex paints and enamels, it offers superior durability, anti-fungal properties, and a smooth application. Environmentally friendly and free from lead and mercury, this sealant delivers excellent performance while keeping safety and sustainability in mind.