A tempered glass door represents the pinnacle of modern entryway design, blending robust safety with crystalline transparency. For projects demanding lightweight resilience, the Aluminum Frame Glass Door delivers a sleek, corrosion-resistant profile suitable for coastal condominiums and urban storefronts. In settings requiring uncompromising structural integrity, the Stainless Steel Frame Glass Door stands up to heavy daily use with a polished or brushed finish that maintains its luster. The Safety Tempered Glass Door prioritizes occupant protection through heat-strengthened fabrication that crumbles into harmless pebbles on the rare occasion of breakage. For a dramatic, uninterrupted view, the Full Glass Entry Door floods interiors with natural light while eliminating bulky framing, making tight spaces feel expansive. Each of these solutions leverages the same core tempered glass technology, heat-soaked and calibrated to meet stringent deflection limits.
The Tempered Glass Door is engineered with meticulous attention to flatness, edgework, and optical purity. Raw float glass is cut to precise dimensions, then conveyed through a tempering furnace where it reaches over 600°C before being rapidly quenched by high-velocity air jets. This process induces a compressive surface layer exceeding 10,000 psi, roughly four to five times stronger than annealed glass of identical thickness. The resulting panel resists thermal stress from direct sunlight, accidental impact from furniture or debris, and cyclic wind loading without warping. Below is a breakdown of core physical characteristics and available configurations that architects and contractors find essential during specification.
| Parameter | Specification |
|---|---|
| Standard Thickness | 6 mm, 8 mm, 10 mm, 12 mm (1/4" to 1/2") |
| Custom Thickness Range | 4 mm to 19 mm upon request |
| Maximum Panel Size | 2,440 mm × 4,800 mm (larger with multi-panel assembly) |
| Visible Light Transmission | 89% (clear), 72% (low-iron), variable with tint |
| Surface Compression | ≥ 10,000 psi per ASTM C1048 |
| Bow and Roller Wave | ≤ 0.3% of edge length (standard flatness) |
| Impact Class | IBC Class A, CPSC Cat. II, or custom CPD ratings |
| Hinge Cutout Tolerance | ± 1.5 mm position, ± 0.5 mm diameter |
| Sound Transmission Class | 28 to 35 STC dependent on thickness and lamination |
| U-Factor (Non-Coated) | 1.0 to 1.2 W/m²K at center of glass |
Dimensional accuracy is critical for the Tempered Glass Door to mate seamlessly with top-hung or bottom-rolling hardware. Each leaf undergoes laser-guided measurement to confirm diagonal squareness within 2 mm per meter of panel length. Roller wave distortion, a common artifact of horizontal tempering, is suppressed below 0.12 mm peak-to-valley across the vision area, preserving undistorted reflections. Cutting, notching, and edge arris removal occur before the tempering cycle because any post-temper mechanical alteration would cause immediate fracture of the entire panel. For active storefronts or high-traffic corridors, we offer a heat soak option: panels are held at 290°C for four hours to virtually eliminate the risk of spontaneous nickel sulfide inclusion failure, a protocol outlined in EN 14179-1. The glass can further be combined with transparent PVB or ionoplast interlayers to create laminated tempered assemblies that retain structural integrity even after a pane is shattered, important for overhead or balustrade applications adjacent to door openings.