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Twin Blade Seal (TBS)

Our Twin Blade Seal (TBS) is a compact self-adhesive acoustic, smoke & draught seal designed to fit in the corner of rebated door/window frames.

Acoustically & Smoke tested on proprietary fire doors to BS EN 1634-3 : 2004, can provide up to 35dB sound reduction*

Suitable for new and retrofit

Easy to install supplied with self adhesive tape
Suitable for gaps 3 - 5mm

Colours: Black, White, Brown or Light oak 

*Acoustic performances are subject to door density/style and the type/s of threshold and perimeter seals used

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