US-HF-005 Drop Seal 1712 Aluminium 1230mm Dual Adjustment Acoustic 44dB for Wood/PVC Doors

Product Overview

The Uszczelka opadająca 1712 alu. DL 1230 mm (US-HF-005) is an automatic drop seal for threshold applications in doors made from wood or PVC. Its primary use is in environments requiring acoustic, smoke, or fire protection, and it features a 1230 mm length suited for standard door sizes. The aluminium outer casing and black silicone sealing profile allow for durable operation and effective isolation. Acoustic insulation is rated at 44dB for a 6mm gap, supporting use in projects where certified sound attenuation is required.

What sets this product apart is its dual adjustment capability?for both extension length and angle of the sealing profile?which enables tailored fitting to irregular thresholds and ensures stable performance over time. This minimizes installation errors and simplifies work for professional door assemblers and contractors, making it especially suitable for OEM procurement in fire-rated and acoustic door manufacturing, as well as bulk installation projects in hotels and office buildings.

Key Features

• Dual adjustment mechanism ? allows independent tuning of seal extension and angle for precise threshold alignment


• Acoustic insulation 44dB ? certified performance with a 6mm gap, suitable for noise-sensitive installations


• Fits wood and PVC doors ? versatile compatibility for residential and commercial door types


• Maximum seal drop 18mm ? provides substantial coverage for larger door gaps


• Aluminium housing ? corrosion-resistant and robust body for long service life


• Black silicone sealing profile ? maintains flexibility and effective sealing under repeated use


• Trim length option ? can be shortened up to 100mm for custom door widths

Technical Specifications

• Length: 1230 mm


• Maximum Seal Drop: 18 mm


• Acoustic Insulation: 44dB (at 6mm gap)


• Material (housing): Aluminium


• Material (seal profile): Black silicone


• Adjustment: Dual (extension and angle)


• Mounting Groove Size: 12 x 28.5 mm


• Compatible Door Materials: Wood, PVC


• Trim Range: Up to 100 mm

Applications

Widely used in wooden or PVC doors for residential, commercial, institutional, and hospitality buildings. Suitable for installation in acoustic, smoke-control, and fire-rated doors, including those requiring certified sound attenuation. Recommended for OEM production, hotel bulk procurement, or retrofitting in office developments where threshold sealing and noise control are critical.

Packaging & Shipping

Standard export packaging. Unit includes drop seal assembly and mounting hardware. Installation instructions included with each unit.