When a Hospital Needs Privacy and Light at the Same Time
New York Presbyterian Hospital’s construction management team came to us with a constraint that comes up often in healthcare and commercial lobby work: they needed to block sightlines into staff workstations without making the space feel closed off.
The lobby in their Park Slope, Brooklyn facility has floor-to-ceiling glass partitions. Behind those panels sit a security post, employee workstations, and computer monitors — none of which should be visible to patients and visitors in the waiting area. A standard frosted film would solve the privacy problem but kill the natural light. Clear glass solved the light problem but left everything exposed.
The answer was a gradient.
This was also a returning client. NYP’s team had worked with us on previous projects, which meant we skipped the getting-to-know-you phase and moved directly into design and logistics.
Project Overview
| Client | New York Presbyterian Hospital — Construction Management |
| Location | Park Slope, Brooklyn, New York |
| Space Type | Medical facility — lobby and reception zones |
| Film | White Frosted Feather Gradient, 72 inches tall |
| Goals | Staff privacy at eye level, preserved natural light above, updated aesthetics |
| Outcome | Full privacy at workstation height, light maintained above 7 ft, uniform appearance within 24 hours |
Why a Gradient Film, and Why 72 Inches
The design decision came down to one measurement: average eye level for a standing adult is roughly 60–65 inches. We set the opaque zone to cover the full lower portion of the glass — 72 inches — to account for seated staff at varying desk heights and to provide a comfortable margin.
Above that line, the film feathers out from dense white to fully transparent. Natural light continues to enter the space from the upper portion of the glass panels. The lobby doesn’t feel walled off. The staff workspace is completely shielded.
The gradient transition point and the degree of opacity were finalized with the NYP team remotely after the initial site visit — they could review design mockups against the actual site photos rather than making decisions from a catalog.
What Makes Gradient Decorative Film Different to Install
This is not standard window film and it doesn’t install like standard window film. The gradient effect is achieved by printing onto the film substrate — the pattern is ink, not a coating. That printing layer adds thickness and changes the surface texture in a way that affects how the film responds during wet installation.
A few specifics worth knowing:
Wet installation is required. We apply solution to the glass before laying the film, then work out excess moisture with squeegees. The process is the same as solar or safety film in principle, but the printed surface requires more deliberate squeegee pressure and sequencing to avoid trapping moisture behind the denser portions of the gradient.
Post-installation appearance is not final appearance. Immediately after installation, the panels will show some haziness, minor water pockets, and uneven areas where moisture is still working its way out from beneath the film. This is normal and expected with any quality film installation — it is not a defect. For standard film, the drying window is up to 30 days. For this graphic film, the surface had settled and appeared uniform within 24 hours.
Alignment is critical and unforgiving. The gradient transition has to land at a consistent height across all panels. A variation of even half an inch is visible when the panels are viewed as a continuous surface. We mark and verify alignment before committing each panel.
The Installation Sequence
Site assessment and measurement. We visited the Park Slope location to take precise measurements of each glass panel and photograph the existing conditions. Partition glass in a medical facility often has frame variations, fastener placements, and sealant lines that affect how film can be trimmed and where seams need to fall.
Design review with the client. Gradient height, opacity level, and transition style were confirmed remotely with NYP’s construction management team. We don’t make those calls for the client — the design decisions belong to them; our job is to translate those decisions accurately into the installation.
Surface preparation. Every panel was cleaned thoroughly before film application. Contamination under a decorative film — dust, grease, residue from previous cleaning products — shows through the finished surface. There is no correcting it after the film is down without removing and replacing the panel.
Film installation. Wet method, panel by panel, with alignment verified at each step before the film was committed. Squeegee work on the denser gradient zone was done in stages to avoid surface marking.
24-hour review. We confirmed with the client the following day that the panels had dried uniformly and the installation met their expectations.
The Result
The security post is no longer visible from the waiting area. Monitor screens and staff workstations are completely shielded at eye level. The upper portion of the glass continues to admit daylight, and the lobby reads as open rather than partitioned.
The gradient edge lands at a consistent height across all panels — viewed as a continuous surface, the installation looks like a single design decision rather than a series of individual pieces.
NYP’s construction management team confirmed the result met their requirements. Given our prior history with this client, the expectation was already high — which is the standard we hold ourselves to on every return project.
Where Gradient and Decorative Film Works Best
This type of installation is well suited to:
- Healthcare lobbies and reception areas — privacy for staff, openness for patients
- Corporate offices with glass partitions — brand graphics combined with functional privacy
- Financial services and legal offices — screen privacy without blocking natural light
- Retail and hospitality — aesthetic separation between zones without construction
- Educational facilities — classroom visibility control with diffused light
The specific gradient style — feathered, hard-edged, patterned, or branded — is selected based on the client’s design intent and the architectural context of the space. We work from client-supplied artwork or develop options in-house.
About This Work
Total Window Service has installed decorative and privacy film across commercial, medical, and residential properties in New York City since 2012. We work with building managers, construction management firms, interior designers, and directly with property owners across Manhattan, Brooklyn, Queens, the Bronx, Staten Island, Long Island, and northern New Jersey.
All decorative film installations include on-site measurement, design coordination, professional wet installation, and post-installation review.
Request a consultation: totalserviceny.com/contact-us · +1 (917) 972-9020
