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Seal Compression Devices

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  1. GT Bow-Constrictor | Sash Seal Enhancement

    GT Bow-Constrictor | Sash Seal Enhancement


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    RRP: £4.00 +VAT

  2. GT Sash-Seal | Prevents Sash Bow and Leaks

    GT Sash-Seal | Prevents Sash Bow and Leaks


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    RRP: £2.00 +VAT

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Seal Compression Devices

These window hardware accessories work to ensure an efficient, weathertight seal between the sash and frame. Not only does this help to prevent water leaks and drafts, it can also combat sash bowing.