Wood Deck Construction in the Riviera Maya: IPE & Composite Guide
Updated September 2026 • By Recrea Construction • 5 min read
A deck here has to survive three things at once that decks elsewhere rarely face together: standing humidity under the boards, UV at a latitude of 20°N, and either chlorine splash or salt-system water at the pool edge. Add termites, which are endemic across the peninsula and will find untreated softwood framing within a season, and the material list narrows quickly.
This is a practical specification guide: which species actually hold up, what composite does and does not solve, the substructure detail that decides whether a deck lasts eight years or twenty-five, and installed costs per m² in Playa del Carmen, Tulum and the surrounding corridor for 2026.
Species and Materials: What Survives
Decking choice is a durability class decision before it is an aesthetic one. The species below are the ones we specify and the ones worth paying for locally.
- Ipé (Brazilian walnut): the benchmark. Extremely dense, naturally rot and termite resistant, 25+ years on a coastal deck with periodic oiling. Most expensive, hardest to machine, needs pre-drilling.
- Cumaru: close behind ipé at roughly 70–80% of the price; slightly more movement, excellent durability.
- Tzalam: the regional choice — harvested on the peninsula, beautiful chocolate tone, good durability when kept ventilated. Our most-requested hardwood deck.
- Chechen: hard and stable, striking colour variation. Handle the sap with care during fabrication.
- Teak: superb stability and water behaviour; plantation teak locally is expensive and quality varies sharply by supplier.
- Pressure-treated pine: acceptable for a hidden substructure only if the treatment is rated for ground contact, and never as a finished surface here.
- WPC composite: solves splinters, annual oiling and termites. Does not solve heat — dark composite on a west-facing terrace gets too hot to walk on barefoot at 3 p.m. Choose light colours and capped boards with UV-stable pigment.
Whatever the surface, the fasteners are 316 stainless and the substructure is either treated hardwood or hot-dip galvanised / aluminium joists. A hardwood deck on plain steel or untreated pine joists is a five-year deck with a twenty-year surface on top of it.
Installed Cost Per Square Metre — 2026
| Deck build-up | MXN / m² installed | USD / m² | Coastal life |
|---|---|---|---|
| Tzalam on treated hardwood joists, hidden clips | $3,200–$5,200 | $178–$289 | 15–20 years |
| Cumaru on aluminium substructure | $4,200–$6,800 | $233–$378 | 20–25 years |
| Ipé on aluminium substructure | $5,500–$9,000 | $306–$500 | 25+ years |
| Capped WPC composite on aluminium | $3,800–$6,500 | $211–$361 | 20–25 years, low maintenance |
| Elevated deck over sloping or rocky ground (add) | +$900–$2,500 | +$50–$139 | — |
A 45 m² pool deck in tzalam therefore runs roughly $144,000–$234,000 MXN installed. The elevated-structure premium is real on jungle lots in Tulum and on the limestone shelf north of Akumal, where levelling by excavation is more expensive than building a ventilated platform over the rock.
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The Substructure and Ventilation Detail
Nearly every failed deck we are asked to replace failed from underneath. The board surface still looks serviceable while the joists and fixings have gone. Four details prevent it:
- Air under the deck, always. Minimum 8–10 cm clear to grade or slab, with cross-ventilation at the perimeter. A deck sealed at its edges is a humidity trap, and on this coast that means rot and termites regardless of species.
- Joist spacing 40–45 cm, not 60. Tropical hardwood boards are usually 19–21 mm here; the wider spacing common in imported details produces springy boards and cupping.
- Gap the boards 5–7 mm. Rain here arrives fast and heavy. Tight boards pond water and trap debris, and the debris holds moisture against the surface.
- Termite barrier at every ground contact. Concrete pads or galvanised shoes, never timber into soil, plus a soil treatment before the platform closes. The peninsula's subterranean termites will find any timber-to-ground path.
At the pool edge two more rules apply: hardwood ends get sealed before installation, because end grain is where chlorinated or saline water enters; and the deck is set so splash drains away from the boards, not into the substructure. Salt-system pools are gentler on skin and harder on metal — there the 316 stainless fastener requirement is not optional.
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