ALETTE A 830mm Drop Down Threshold Seal Scissor-Action 14mm Gasket Drop with Support

Product Overview

The ALETTE A drop-down threshold seal, 830 mm, is engineered to automatically seal the gap between the door bottom and the threshold in commercial or residential installations. It self-adjusts to the floor surface and retracts the seal when the door opens, preventing interference with carpets and other floor coverings. The aluminum profile with integrated support allows for reliable sealing performance, particularly suitable for doors needing extra floor clearance control.

A distinguishing feature of this model is the scissor-action mechanism, enabling a gasket drop of up to 14 mm. This function is critical for buyers dealing with uneven or high gap flooring, minimizing air leakage and ensuring compliance in energy-saving or acoustic insulation projects. Building contractors and door manufacturers seeking adaptable drop seals for variable floor conditions will find the ALETTE A especially suitable for bulk procurement and new fit-out projects.

Key Features

• Scissor-action drop mechanism ? retracts up to 14 mm to bridge uneven threshold gaps


• Automatic seal retraction ? gasket hides fully when door opens, protects carpets and floors


• Trim to fit ? profile can be shortened by up to 150 mm on non-actuator end for size flexibility


• Profile dimensions ? 830 mm length, 28 mm height, width 30 mm (with supports)/12 mm (without)


• Integrated supports ? provides enhanced surface stabilization and easy mounting


• Self-adjusting system ? adapts pressure automatically to varying floor surfaces

Technical Specifications

• Length: 830 mm


• Profile Height: 28 mm


• Width with Supports: 30 mm


• Width without Supports: 12 mm


• Maximum Gasket Drop: 14 mm


• Maximum Trim Length: 150 mm (from actuator's opposite end)

Applications

Used in residential and commercial buildings for doors subject to air, sound, or dust infiltration from threshold gaps. Suitable for interior and exterior doors, especially where carpeting or uneven flooring requires a retracting seal. Frequently specified in energy-efficient and acoustically-rated projects. Adapted for use in new builds, renovations, and OEM door assembly lines.

Packaging & Shipping

Standard export packaging. Unit includes drop-down threshold seal with supports and installation accessories.