A unique solution to fitting rebated flush bolts in conjunction with drop down seals. The DB SEAL Extension works as an extender with the Astro DB Seal Plus (Rw 35dB) drop down seal. 10mm maximum drop and the seal is manually lowered on the handle side.
 
Also available are 150mm Stainless Steel Flush Bolts (AFASDBX/FBBOLT) with radiused ends designed to work with the DB Seal Extendsion. 

DB Seal Extension

£10.47Price
Options
    • DB seal extension and bolt
    • Suitable for double leaf timber doors
    • Acoustically tested on proprietary fire doors.
    • Noise Reduction Index Rw 35dB.

Prices exclude VAT

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