Our new line of Weld-On Plumbing Cements is built on our 50+ year tradition of excellence to assure the reliable performance you’ve come to expect from the Weld-On brand. Weld-On Plumbing Cements, Primers and Cleaners are formulated for easier installation as well as improved installer safety and comfort. Low odor, low VOC Plumbing Cements are environmentally friendly.