Deck Builders in Waimanalo, HI

Deck Builders in Waimanalo face a climate unlike the leeward side. Waimanalo averages about 42.43 inches of rain a year with roughly 169 rainy days, and the trade winds come straight in off the ocean from the northeast. A deck here has to drain well, dry quickly, and stay fastened down when the wind picks up. We design for all three before we get to colors and layouts.

A windward, rural setting. Waimanalo is a small community near the eastern end of Oahu, with agricultural lots and plant nurseries stretching back toward the Koolau from the center of town. Waimanalo Beach, described as the longest stretch of sandy shoreline on Oahu, lines the coast, with Bellows Air Force Station between part of the shore and the town. Properties range from compact houses close to the highway to large lots with room for a deck, a covered lanai and a garden all at once.

Rain and drainage. The wettest months here are December, November and March, each averaging over five inches, while June is the driest at about 1.26 inches. Wood that stays wet becomes a target for rot and for Formosan termites, which University of Hawaii researchers say depend on moisture. So we gap boards for drainage, slope the ground under the deck away from the house, use joist tape on wood framing, and keep every post off the soil. If you are planning to stain or seal, we aim for the drier late-spring and summer stretch.

Trade winds and lanai covers. The National Weather Service in Honolulu says trade winds blow from the northeast about 90% of the time in summer, and that in March through early April some episodes reach 30 mph or more for days at a time. Windward homes take that wind head-on. A lanai cover behaves a bit like a sail, so we use proper tie-downs and hurricane-style connectors from roof to post to footing, and we avoid flimsy kits that rely on a few screws.

Salt in the air. With the ocean so close and the wind off the water much of the year, salt reaches far into the neighborhood. Simpson Strong-Tie treats marine environments with airborne chlorides and salt air as their own corrosion class and recommends stainless steel for some conditions. On most Waimanalo projects we specify stainless fasteners and coastal-rated connectors, and railing systems built for the shore.

Check the parcel first. The City's parcel information shows whether a property lies in a Special Management Area and what its flood zone is, and either one can change how a deck gets permitted. We check both before we draw plans, then prepare the drawings for the City and County building permit.

Services for Waimanalo:

• Composite decks that resist rot in wet weather
• Wood decks with treated, raised framing
• Covered decks and wind-rated lanai covers
• Railings and stairs in coastal materials
• Repair of rotted boards and corroded hardware
• Cleaning, staining and sealing timed for dry spells

Get started. Call (808) 509-2733 or send photos and your address. We visit, look at drainage, wind exposure and the parcel details, and send a written quote.

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