Get the correct weatherstripping materials and practical guidance to help you measure properly and do the work the right way. We supply interlocking bronze weatherstripping, spring bronze, bronze thresholds and saddles, J-hook strips, fasteners and installation tools for historic doors, double-hung windows and casement windows. Contact us with questions and speak directly with people who still actively weatherstrip doors on historic properties.

Whether you call it interlock, interlocking brass weatherstripping or bronze weatherstripping, these terms describe the same enduring tradition.

Classic Door is working to preserve this craft. We have spent more than ten years installing interlocking weatherstripping on historic properties. Our knowledge was inherited from the last generation of professional weatherstrippers and expanded through the study of historic trade literature, old catalogs and every printed resource we can find.