Industrial Leak Sealant

Don’t let emergency leaks bring your operation to a screeching halt — with South Coast Products and our Checkseal pipe wraps and leak sealant products, you are able to stay online and productive. Our team has formulated some of the most effective leak sealants for a pipe or flange leak.

These pipe leak repair compounds can be used for a variety of applications and are designed to remain effective even while working inside extreme environments. This includes extreme temperatures, vibration, high pressure, leaks from steam, gas, hydrocarbons, liquid, and more.

Product Categories

CheckSeal™ 22 AB

Two-Component Epoxy Sealant

Check Seal™ 22 AB is a two component, catalyzed sealant that cures to a rock hard consistency and delivered in a pre-measured kit for easy application. Both parts are mixed then applied with a high-pressure lubricator. It is used in industrial applications, including sealing flange gaskets, valve stems, drain plugs and couplings. It can also be used in conjunction with clamps and pipewrap applications.

CheckSeal™ 22 AB Thin

Two-Component Sealant

Check Seal™ 22 AB is a two component, catalyzed sealant that cures to a rock hard consistency and delivered in a pre-measured kit for easy application. Both parts are mixed then applied with a high-pressure lubricator. It is used in industrial applications, including sealing flange gaskets, valve stems, drain plugs and couplings. It can also be used in conjunction with clamps and pipewrap applications.

CheckSeal™ 3B

Non-Curing Sealant

Check Seal™ 3B semi-pliable rubber at temperatures up to 700˚F, and is effective as a primary or secondary sealant. It has been successfully used as a secondary micro-void sealant after initial sealant becomes cracked and worm holed.

CheckSeal™ 4AB

Two-Component Sealant

Check Seal™ 4AB is a two-component sealant that cures to a relatively hard, but flexible solid. The most common usage of Check Seal™ 4AB is in repairing water, steam leaks to temperatures as high as 550˚F. It can be used with acids, alkalis, hydrocarbons, ammonia and BFW.

CheckSeal™ 9B

Thermosetting Sealant

Check Seal™ 9B is a is a thermosetting resin reinforced with a fibrous bulk. This sealant works great with boiler-feed water and hot condensate leaks. Temperatures to 800˚F.

CheckSeal™ 9F

Thermosetting Sealant

Check Seal™ 9Fis a thermosetting resin with a special fiber package for improved sealing traits and higher temperature characteristics. This sealant works great with dry, high temperature steam such as flue gas or catalyst. Temperature range: 200˚F to 1500˚F.

CheckSeal™ RPG

Non-Curing Sealant

Check Seal™ RPG is a black, fibrous, graphite based sealant. Durable and designed for extreme temperatures and pressures. Specifically designed for high temperature service on valves, flanges, and enclosures.

Pipe leak repair with reliable service

Our high-quality pipe leak repair compound materials are just part of what we offer at South Coast Products. Our extensive line of Checkseal pipe wraps and leak sealant also comes with technical and engineering support.

This is available via a toll-free, 24/7 telephone helpline that has knowledgeable and experienced men and women on the other end. When you are using Checkseal products for emergency situations, you can trust that your questions and concerns will be addressed quickly and correctly thanks to our devotion to helpful customer care.

Trust a leader in the industry

When it comes to leak sealant for a pipe leak, South Coast Products is one of the top names in the industry. We carefully create our sealants in a state-of-the-art production facility located in our home city of Houston.

We service clients all over the world, who belong to a variety of industries from petrochemical and oil and gas to transportation. We have been in business since 1968 and are constantly working to find new, innovative ways to perfect the products that we sell.

Consult with the team at South Coast Products to learn more about our Checkseal pipe leak sealant. We can show you how our products can benefit your operation and, as a result, bolster your business’ bottom line thanks to the efficiency and productivity of your equipment.