Collection: Stelmax

Stelmax is a specialist manufacturer of high quality sealants and adhesives specifically formulated for the UPVC window and door industry. Their products, such as the "1961" and "Small Gap Filler," are designed to provide a chemical bond that seamlessly fuses PVC surfaces together. This ensures a waterproof and aesthetically pleasing finish for mitre joints and trim applications, making Stelmax a staple brand for professional window installers and fabricators.