J & J Manufacturing has created the Seal & Test product line.
Seal & Test Drain Covers For ALL Drain Manufactures
Our product allows you to “seal test and protect your drain through out the project. Talk about how it provides a great service for the customer and the project as a whole. With the the new Seal and Test drain cover, there is no more water waste or damages when the plug blows out under test.
Here’s an example of the Seal and Test in place prior to the deck being poured