4meter roll window sealing strip for plastic steel windows with card slots — flexible, density TPE strip designed to stop drafts, dust and reduce noise while improving insulation. Key benefits Versatile compatibility: Single 4 m roll fits most plastic steel windows with cardslot channels. Cut to length for use on multiple windows. Effective draft and dust barrier: Soft, multilayer TPE construction blocks air leaks and dust, helping maintain a comfortable indoor environment in all seasons and weather conditions. Noise reduction: density TPE core reduces sound transmission through gaps, creating a quieter interior — useful in urban or noise locations. Simple, tool installation: Designed for direct insertion into card slots; trim with scissors or a utility knife for a quick, snug fit without adhesives or special tools. What makes it work Material: Soft, flexible thermoplastic elastomer (TPE) conforms to irregular gaps while remaining durable. Design: Multilayer profile balances softness for sealing with density for sound insulation and longterm performance. Size: 4meter roll provides enough length for multiple windows or repeated adjustments. How it helps you Improves insulation by closing gaps that cause drafts and heat loss. Keeps dust and small debris from entering living or working spaces. Lowers perceived noise from outside sources, improving comfort and concentration. Typical applications Apartment windows facing busy streets — reduce traffic noise and drafts. Residential homes in colder climates — block winter air leaks around cardslot windows. Offices or studios where dust control and quieter interiors matter. Quick installation guide 1. Measure the window channel and cut the strip to the required length. 2. Insert the strip into the window card slot, pressing gently along the length until seated. 3. Trim any excess and check for a snug, continuous seal. Specifications Length: 4 meters per roll Compatibility: Plastic steel windows with card slots Material: Thermoplastic elastomer (TPE), multilayer, density construction Reliable, practical sealing for cardslot plastic steel windows — straightforward to fit, easy to maintain, and effective at reducing drafts, dust, and noise.