Stop slow-flowing and weeping leaks in concrete. These crack fillers begin to harden in three to five minutes to create a permanent fix that won't shrink.

Fill in and shape horizontal, vertical, and overhead concrete surfaces, such as steps and columns.

Repair holes and seal gaps in roofing and gutters. These patching compounds are durable and water resistant.

These patching compounds are the most flexible and watertight we offer. Developed for use on flashing, chimneys, and high-stress areas, they are highly vibration resistant.

Used on ceramic, concrete, and stone floor and wall tiles, grout consists of fine sand, masonry cement, and coloring. Apply with a grout float.

Used for brick, block, and stone laying as well as for repairing masonry, mortar mixes consist of fine sand and masonry cement. Mix it with water.

Mix this two-part epoxy—a resin-aggregate blend and a pigmented hardener—to create a grout that resists chemicals, such as acids, alkalies, salt water, and common solvents and cleaners. Its lightweight formula makes this grout easy to spread. Use in horizontal or vertical joints—grout won’t sag or shrink. Apply with a grout float. It can be cleaned up with water when wet; it doesn’t require a sealer once it cures. The size listed is the combined total of the two parts.

Roll out a fast fix for leaky roofs and gutters with these peel-and-stick rolls. Backing is rubberized asphalt adhesive. Roll can be cut to size.