Prada Waikiki - 2174 Kalakaua Ave Honolulu, HI 96815

The building

2174 Kalakaua Avenue sits on the main retail run of Waikiki, where the street is lined with flagship stores whose ground floors are very close to being entirely glass.

A display case in the tropics

Retail glazing exists to be looked through, so anything that dulls it defeats the purpose of the building. But a shopfront on Kalakaua is a vitrine in a place with a UV index above ten for most of the year. The street runs close to parallel with the beach, so the frontages take direct sun for part of the day and reflected light off the pavement and the buildings opposite for a good deal of the rest.

What is in the window is the newest and most valuable stock in the store. Leather, silk, dyed textiles, printed packaging and paper are all high on the list of materials that fade, and faded goods cannot be sold at full price. In practice the response is to rotate stock out of the display faster than it should be rotated, which is merchandising decided by sunlight rather than by the buyer.

Second, the sales floor. The entrance is open to the street, the elevation is fully glazed, and the solar gain lands directly on the floor where staff stand for a full shift.

Third, glare — and this one works directly against the store. Sun on the outside of a shopfront turns it into a mirror when seen from the pavement. Customers walking past cannot see in, and the display is working against itself for the busiest hours of the day.

What window film does about it

A high-clarity spectrally selective film removes most of the near infrared and effectively all of the ultraviolet while keeping visible transmission and color rendering close to untouched. Color fidelity matters more in fashion retail than almost anywhere: a customer judging the shade of a garment near the window has to be seeing the true color, which rules out the dyed and strongly tinted films that would otherwise be the cheap answer.

The honest limits are worth stating. Film does not restore anything that has already faded, and it does not stop fading outright — it removes the largest single cause and slows the others, so a display can stay in the window considerably longer, not indefinitely. And it reduces external reflectance rather than eliminating it; a shopfront in direct sun will always be brighter outside than in.

Retail has one further constraint that decides how the work is done rather than what is used. A store cannot close. Film is applied from inside, needs no scaffold, no permit for the elevation and no plant on site, so a frontage can be done overnight between trading days and be dry enough by opening that nobody walking in would know anything had happened. On a street where the rent is set by footfall, that is usually the deciding factor.

We work on retail, restaurant and hospitality glazing across Waikiki and Honolulu. See our commercial work or request a quote.