Sound Lock™ Double Door Astragal Seal

Sound Lock™ Double Door Astragal Seal

Double doors might look impressive, but the air gap between them can let in a lot of sound. The Sound Lock™ Astragal Seal is designed to close that gap and soundproof between double doors for an airtight solution. Perfect for offices, schools, or any space with double doors, the astragal seal locks out unwanted sound.

Features

• Superior Soundproofing – Blocks noise transfer by sealing the air gap between solid core double doors.
• Customizable Fit – Adjustable astragal seal ensures a precise, airtight connection for maximum noise reduction.
• Built to Last – Crafted with durable, anodized aluminum casing that holds up to heavy use.
• Magnetic Closure – Integrated magnetic seal pulls doors together for a stronger, tighter soundproof connection.
• Easy Integration – Works seamlessly with existing double doors to enhance privacy and peace without major renovations.

Do I Need an Astragal Seal?

If your double door is not sealed between doors, you need an astragal seal.

Specs

Resources 

Installation Instructions

• Measure & Trim – Keep astragal assembled and trim only from the bottom end (opposite the red label).
• Protect Red Label End – Do not trim the end with the red label.
• Magnetic Seal – Install so magnets pull the doors together automatically for a tight, lasting seal.
• Check Spacing – Maintain 3/8"–1/2" gap between housings (ideal: 7/16").

Common Product Uses