Henry 635 SealPro is perfect for protecting interior or exterior absorbent concrete and masonry surfaces. Ideal for your garage, driveway, sidewalk, patios, courtyards, walkways, pool decks and vertical concrete surfaces just to name a few. Very easy to use as this is fast drying, non-flammable, UV stable while still highly durable and abrasion resistant. High-performance, high solids acrylic concrete Sealer with a clear broom coverage is 200 to 300 sq. ft. per gallon. s. It is especially suited to seal HENRY toppings, and the gray version can be used to create a uniform appearance over both a repaired area and the adjacent concrete or masonry surfaces.