Automatic drop-down door bottom seal designed for dependable medium smoke and acoustic containment. The self-leveling plunger lowers the seal as the door closes and retracts on opening to avoid floor wear. Mortised design provides a clean, concealed finish. Ideal for apartment entries, corridors and office doors. Reduces drafts, dust and sound leakage across variable floor clearances. Trim-to-fit capability and included fixings streamline on-site installation and adjustment.

$89.24

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