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06 · Pool & Spa

Pool Deck Design Guide Built for poolside.

A pool deck has to do everything a normal deck does and then survive constant water, sun, and bare feet. Trex and a properly engineered structure handle it beautifully. Here is what we design for around a pool or spa.

A surface that works barefoot

Capped Trex composite resists fading, staining, and mold, and it will not splinter — which matters most exactly where people walk barefoot and wet. Lighter Trex tones stay more comfortable underfoot in direct Hudson Valley summer sun, and we factor color into the design for that reason.

Slip resistance, board direction for drainage, and a picture-frame border that frames the water are all handled at the design stage, not improvised on site.

Drainage and the space below

Around pools and spas, water management is everything. On elevated decks we install Trex RainEscape, a sealed drainage layer that channels water away above the joists, protecting the framing and turning the area beneath the deck into a dry, finished outdoor room.

That dry under-deck space can become a covered lounge or storage — a second room created by getting the drainage right rather than an afterthought.

Lighting, privacy, and the structure underneath

Haven LED is engineered into pool decks for safety and atmosphere — riser and edge lighting that makes the space usable and beautiful at night. Railing from the Signature collection, including cable and glass options, preserves the view of the water while meeting code.

Underneath all of it is the same standard as every Pinnacle build: an engineered helical pile foundation, taped and capped framing, with engineering and permits included — never a line item.

Frequently asked questions

Is Trex good for a pool deck?

Yes. Capped Trex resists fading, staining, and mold, will not splinter, and pairs with RainEscape drainage and Haven lighting to make a pool deck that performs around water for decades.

Does Trex get hot around a pool?

Like any decking it warms in direct sun, so we steer pool decks toward lighter Trex tones and factor surface comfort into the design.

What keeps water from rotting the structure?

On elevated decks we install Trex RainEscape, a sealed layer that drains water away above the joists and keeps the framing — and the space below — dry.

Ready to plan your project?

Pinnacle responds within 24 hours. We listen first, then build what you actually have in your head.