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Zhongshan Airzone Industrial Park Architectural Nightscape Lighting Project

Night aerial view of the Zhongshan Airzone Industrial Park facade lighting Uniform vertical wall wash on the rendered facade at night Even grazing wash across the podium glazing at dusk Twilight view of the illuminated podium with the tower behind North elevation lighting design rendering with the CMJ illuminated logo East elevation lighting design rendering of the main entrance facade Daytime aerial view of the eleven-storey main tower with the CMJ logo Daytime aerial view of the four-building Airzone Industrial Park campus

Project Overview

Zhongshan Airzone Industrial Park in Guangdong, China, comprises four buildings completed in May 2026 — an eleven-storey main tower finished with a white rendered, hand-applied putty facade, and a shortest block of six storeys. By day the rendered surface looked perfectly acceptable; under close grazing light at night, minor trowel marks turned into hard shadows and visible texture bands.

The lighting scheme combines two fixture families with one shared lesson: geometry matters more than wattage. Twelve LLS-OP-W30B linear wall washers — 1,220 mm, 21 W, 4000 K, 20°×40° asymmetric optics — wash the facade from 250 mm extended brackets, while SP-F310A floodlights (150 W, 4000 K, 10° optic) deliver a long-distance beam across the park. All luminaires are mounted from the second floor up, so the night composition concentrates on the upper storeys, where it is seen from far away.

Completing the composition, a 5.8 × 3.88 m illuminated CMJ logo on the east facade of Building 3 ties the brand mark into the same nightscape.

Key Challenges & TPK Solutions

Uneven Rendered Surface — taming grazing-light shadows

Challenge 1 — Wall texture

Minor trowel irregularities invisible by day became hard shadows after dark

The hand-applied putty finish carried small surface variations. With the first close-to-wall installation, the grazing angle exaggerated every one of them into strong shadows and texture bands across the rendered wall.

TPK Solution

Move the beam away from the wall before it lands

A 250 mm extended bracket set each W30B back from the facade, giving the 20°×40° asymmetric beam room to open before reaching the surface. The vertical wash turned cleaner and more even, with hard shadowing visibly reduced.

Challenge 2 — Vertical reach

Bright lower zone, limited upward reach

With a short bracket and only limited clearance, the fixtures lit a bright lower zone while the upper wall fell off quickly — the opposite of what an eleven-storey facade needs at viewing distance.

TPK Solution

Test bracket options on the actual wall, with the client watching

Several bracket lengths and fixture options were compared on site so the visual difference could be judged directly. The increased setback let the asymmetric distribution develop, carrying even coverage up the facade.

Challenge 3 — Long-distance throw

The flood beam rose, but the wall stayed dim

The SP-F310A floodlights were required to reach more than 45 m. Mounted 1 m from the wall with the emitting face parallel to the ground, the beam travelled — yet the wall surface stayed underlit, growing darker toward the top.

TPK Solution

Re-mount at 850 mm and aim by eye, not by spec sheet

The floodlights were re-mounted at an 850 mm setback and tilted approximately 3–5° back toward the facade — an angle arrived at through on-site trial, because the real aiming always depends on the surface material. The client wanted the upper storeys bright when viewed from a distance without an overlit base, and the field adjustment delivered exactly that balance.

Challenge 4 — Daytime appearance

The best nighttime bracket projected too far by day

A 450 mm trial bracket improved the nighttime effect further, but its projection from the facade was less acceptable during daytime viewing — and the building had to look right around the clock.

TPK Solution

Choose the 250 mm balance and keep the daytime look quiet

The 250 mm bracket was selected as the final compromise between nighttime uniformity and daytime appearance. White fixture bodies, facade-finished brackets and concealed cable routing reduce the visual impact in daylight, while project-specific simulations against the applicable IES files confirmed a 60 lux target across the effective illuminated wall area.

Core Focus

Setback, optics and aiming matter more than wattage

On uneven rendered surfaces, a close-to-wall fixture position exaggerates minor construction irregularities. This project shows the fix is geometric, not electrical: more distance, the right asymmetric distribution and a few patient degrees of field adjustment.

  • Setback before wattage — a 250 mm bracket gave the 20°×40° optic room to open, cleaning up shadows that extra power alone would never have fixed.
  • Field-tested aiming — both fixture families were aimed by on-site visual trials of roughly 3–5° toward the facade; simulation distances must always be re-checked against the real wall material.
  • Daytime dignity — white bodies, facade-finished brackets and concealed wiring keep the rendered facade presentable in daylight.
  • Discipline after midnight — smart astronomical time-control cabinets shift switching times automatically between summer and winter (latitude- and longitude-based) and can be adjusted remotely; a deep-night mode trims the scene from 23:00 to 5:00.

What the System Delivers

45 m

Floodlight Throw Distance

60 lux

Target on the Illuminated Wall

12

W30B Linear Wall Washers

The Airzone project proves that a difficult wall is not a reason for more power — it is a reason for better geometry. With the right setback, the right optics and a few degrees of patient field adjustment, an uneven rendered facade reads clean, calm and bright from across the park.