DRYLOK Masonry Crack Filler 10.5 fl oz – Fast-Setting, Paintable in 1 Hour, Seals & Waterproofs Cracks

Overview

Keep concrete surfaces looking solid with DRYLOK Masonry Crack Filler. This fast-setting formula is designed to seal and waterproof cracks and mortar joints across sidewalks, walls, steps, and floors. It dries to a color that blends with surrounding concrete, and cleanup is simple with soap and water.

Fast, reliable performance

The product offers quick readiness for finishing: paintable in about one hour and a full cure in roughly 12 hours. It is non-flammable and engineered to resist bleed-through, helping maintain a neat appearance as it dries.

• Seals, waterproofs, and repairs cracks and mortar joints in concrete surfaces such as sidewalks, walls, steps, and floors
• Fast setting with paintability in about 1 hour; 12 hours to full cure
• Ideal for cracks in concrete walls, foundations, driveways, patios, sidewalks, steps, and floors; replaces cracked mortar joints
• Surfaces include masonry walls, masonry steps, masonry floors, brick, and mortar
• Preparation requires the opening to be frost-free and free from frost, dust, dirt, oil, and loose particles; cleaning with hose and wire brush aids the process
• Application involves forcing the sealant into the crack and smoothing the patch with a wet putty knife or trowel

Where to use and finish

Suitable for concrete walls, foundations, driveways, patios, sidewalks, steps, and floors to seal and reinforce cracked areas. After curing, the patch can be painted to match surrounding surfaces using latex paints.

Real-world notes

Cleanup is straightforward with soap and water, and the repaired patch dries to a concrete-like color that minimizes visual disruption.