Built For Real: Making Art That Survives Outdoors
- Feb 25
- 4 min read
Designing for Humidity, UV, Salt Air, and Temperature Extremes
At Entech, outdoor installations are never treated as “just another build.” When a project is destined for open air, constant guest interaction, and environmental exposure, the engineering conversation shifts from aesthetics to longevity. Sun, humidity, salt air, heavy rain, fluctuating temperatures, and daily wear all place stress on structures and systems. A project that looks flawless on opening day must continue performing through seasons, storms, and years of use. Durability is not an optional feature, it is a requirement.
Designing for real-world exposure is not reactive. It begins with intentional decisions made long before fabrication starts.
Understanding the Environment Before the Design
Outdoor environments vary dramatically, each demanding different engineering responses. Coastal installs must withstand corrosion from salt air. Florida projects face punishing UV exposure and hurricane-force winds. Northern elements bring freeze–thaw cycles. And in high-traffic locations, public interaction often exceeds anything that can be modeled on paper.
Before materials are selected or details are finalized, the environment drives the design.
Engineering Manager Alex McFee explains it clearly:
“When we start an outdoor project, the environment usually drives more decisions than the aesthetics do. Wind loads are obviously a big one, especially in hurricane-prone regions like Florida, but UV exposure, corrosion risk, and long-term moisture management are frequently just as critical.”
One major factor is thermal expansion - and when multiple materials come together, things get complicated fast.
“Temperature swings can be significant, and when a project combines multiple materials like a structural steel frame with attached aluminum, fiberglass, plastics, or other scenic components, those materials all expand and contract at different rates,” Alex says. “If the connection details don’t account for those differing thermal expansion coefficients, you can end up with cracking, warped panels, finish failure, or fasteners working themselves loose over time.”
Solutions include floating connections, slotted holes, and intentional expansion gaps that allow each material to move without transferring stress. Drainage planning and corrosion protection are also engineered from day one to prevent water intrusion, galvanic reactions, and premature breakdown.
These choices often go unnoticed by guests, but they’re what determine whether a piece still looks new years later.
Material Selection That Goes Beyond Aesthetics
Material selection is the backbone of outdoor durability. Steel, aluminum, fiberglass, composite systems, coating technologies, and fasteners all respond differently to UV, moisture, salt, and temperature changes. Production Manager Chris Gaines emphasizes that sunlight and public interaction shape nearly every material decision:
“The first and most important consideration is sunlight exposure. Prolonged UV exposure can significantly impact the performance, durability, and appearance of both the base material and any applied coatings. Understanding the level of UV resistance required helps ensure long-term reliability and reduces maintenance issues.” continuing on to say “We also evaluate the expected level of public interaction. Structures in high-traffic or high-contact environments must be durable, safe, and resistant to wear, vandalism, and environmental stress.”
From there, manufacturability comes into play. After defining these parameters, it is imperative to assess the feasibility of manufacturing with the chosen material. This includes reviewing production capabilities, cost implications, lead times, and any technical limitations that could affect fabrication or installation. “To ensure the best outcome, we collaborate with multiple members of our team to review the requirements and discuss the most effective course of action before making a final decision”
Fiberglass may be selected for its corrosion resistance; marine-grade fasteners may replace standard hardware; UV-stable gelcoats and specialized topcoats may be required to preserve color and finish. In fabrication, proper surface prep, coating application, weld finishing, and sealing techniques significantly extend the lifespan of a structure.
Durability is not a single decision; it’s an accumulation of the right ones.
Designing for Wear, Not Just Weather
Weather challenges the outside of a structure. People challenge every part of it.
Guests touch, lean, climb, sit, pull, and interact in ways no designer could fully predict. That’s why Entech evaluates “guest abuse” from the very start.
Senior Project Manager Eric Roehl breaks it down:
“We look at the worst-case thing a guest might try to do. Could someone climb it? Sit on it? Pull on something and try to break it? Could a toddler stick their head into an opening? These are some of the considerations that must be accounted for early on in the design.”
A formal Hazard Analysis is performed early, then revisited continually as the design evolves. As Eric explains: “By the time the design is completed, the finished project should be able to withstand the projected guest interaction without issue .... at least on paper.”
From rounded edges and access considerations to entrapment checks and reinforced contact points, wear-related decisions are integrated into engineering and fabrication. Even during installation, new variables can emerge:
“There are always unforeseen surprises no matter how many site visits have been done in advance. Typical issues at install are the possible need to modify your piece, or the adjacent facility, to fit while making sure that modifications don't create a guess hazard. This requires close consultation with all interested parties to find the proper solution and implement it in a timely manner.”
This is why coordination between engineering, production, and project management is essential. Stress points are anticipated early, water intrusion mitigated, coatings selected for longevity, and maintenance access planned before a single part is built.
Preparing for the Unexpected
Outdoor work must perform in extreme environments - wind loads, storm events, anchoring requirements, and foundation coordination all shape the engineering. Proper calculations and reinforcements ensure stability. Installation sequencing accounts for height, access, equipment, and safety.
The goal is not simply to survive perfect conditions. It is to perform under pressure.
Clients rely on Entech’s experience because the structures we build must remain safe, functional, and visually compelling long after installation.
Making art that survives outdoors requires more than creativity. It requires foresight, collaboration, and disciplined engineering. From initial design conversations through fabrication and installation, every step contributes to long-term performance.
This is what it means to be Built for Real. Not just designed to impress but designed to endure.
Read our other white papers on water parks and wind
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