DRYLOK Siloxane 7 Brick and Masonry Penetrating Sealer is a clear, durable, water-repellent, specialty formulation for use on exterior, above-grade, vertical and horizontal brick and masonry surfaces. With just one coat, it minimizes the deterioration of masonry and mortar, and helps control efflorescence (salt deposits) and surface staining. DRYLOK Siloxane 7 Brick and Masonry Penetrating Sealer has no sheen and is virtually invisible on stucco, brick, and concrete.
Contains 7% siloxane - creates a chemical bond between the concrete and mortar to create a moisture vapor barrier and repel water
Keeps water out, allows water vapor to escape
Resists 98 MPH wind-driven rain
Withstands vehicle traffic
Will not damage asphalt shingles
Complies with all current VOC requirements
Coverage: 210 square feet per gallon
Application tools: brush, roller, spray
Dry time: 30 minutes