Q-Seal 290S is a one-part polyurethane loop sealant supplied in convenient and easy to use quart caulking cartridges. Like Pro-Seal 6006, Q-Seal 290S is approved by both State DOT's and municipalities throughout the United States and Canada. Being a one-part loop sealant, Q-Seal 290S is easy to use because there is no mixing. Each quart tube comes with a screw on nozzle designed to fit down into the loop slot. This allows you to place the sealant in the bottom of the slot for proper encapsulation of the loop wires. Q-Seal 290S is also extremely popular with installers of parking gates and access control equipment because it easy application.