PLASTO - JOINT STIK puts plastics thread sealant into a stick form to make use on ABS, PVC, and CPV pipe quick and easy. La-Co - Ideal for pool and spa installation, the Plasto - Joint Stik was designed for superior sealing of plastic pipe threads. It easily fits inside a shirt pocket. Buy LA-CO Industries, Inc., Markal Pipe Thread Sealants direct from Motion Industries. Your proven service leader with reliable delivery since.