ST83 Soundproof Zinc-Alloy Door - Aerospace Aluminum Fill

10cm thick zinc alloy steel door with aerospace aluminum foil + steel core for superior strength and soundproofing. Features a triple-layer 21-point steel locking system for maximum security. Double stainless steel threshold and reinforced hinges ensure heavy-duty durability. Fluorocarbon finish resists wear and cleans easily. Precision-crafted aluminum handles add a touch of luxury. Ideal for high-end commercial spaces, villas, and residential homes—where safety meets style.

Measure The Door Opening

Note: The floor must be leveled before measurement. Space for tiling the floor and installing flooring should be reserved. If there are ceramic tiles on the wall, space for the ceramic tiles should be reserved.

Opening Direction Selection

Select either inward-swing (standard residential choice) or outward-swing (common for commercial applications or specific project requirements).

To identify left-hand or right-hand swing:

Position yourself outside the door facing it

Observe hinge placement:

Hinges on left = Left-hand door

Hinges on right = Right-hand door