The 3005 insert is a durable rubber seal designed for use with Thunder WGS and WGG aluminium threshold systems. It helps create a tight, reliable seal between the weatherboard and threshold strip, reducing draughts, water ingress, light transfer, and noise at the base of doors.
Made from flexible, hard-wearing rubber, the 3005 is built to stay effective through frequent use. It compresses smoothly against the threshold surface, helping to maintain a consistent seal even with everyday door movement and minor alignment changes.
Suitable for both internal and external doors, the 3005 improves overall comfort and performance. On external doors, it helps keep out wind and rain, while on internal doors it reduces draughts and helps improve acoustic separation between spaces.
The insert is used as part of a Thunder threshold system alongside compatible WG weatherboards and TL, TM, or TN threshold strips. It fits neatly into the aluminium carrier and can be replaced easily when needed, making it a practical choice for both new installations and refurbishment projects.
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