Made from silicone, these sealants are RTV (room-temperature vulcanizing).

Resistant to mold and mildew, these sealants are well suited to high-humidity environments.

Thinner than non-sagging sealants, these flow easily into cracks and have a smooth finish.

Tested to meet ASTM E595, a standard used by NASA, these sealants fill joints and seams while releasing almost no volatile emissions that could damage sensitive electronics, even in a vacuum.

A combination of hardness and surface tension makes these sealants resistant to punctures, cuts, and abrasion.

Clear enough to read through, this UV-resistant sealant allows optimal light transmission for use with solar cells and fiber optics.

Apply these sealants in cold temperatures, on wet surfaces, and even through running water.

With chemical and metal additives that are picked up by X-ray machines and metal detectors, these sealants are designed to help you comply with Hazard Analysis and Critical Control Point (HACCP) programs in food-processing facilities.

Mix a small amount of water-based paint with this caulk to match the color of your surface.

Also known as thumb-grade caulk, this forms a non-hardening, moisture-resistant seal that remains pliable.

Thinner than non-sagging sealants, these flow easily into cracks and have a smooth finish.

Impervious to the swelling effects of oil, fuel, and solvents, use these high-strength sealants to assemble and repair fuel systems and tanks.

Thinner than non-sagging sealants, these flow easily into cracks and have a smooth finish.

These non-sagging sealants will not drip while hardening on vertical and overhead surfaces.

Seal joints and gaps in concrete.

Thinner than non-sagging sealants, these flow easily into cracks and have a smooth finish.

Fix roof leaks in cold and wet conditions. These sealants can even be applied underwater.