Decking Replacement

Decking is the sacrificial surface of a dock — it takes the sun, the foot traffic, and the standing water, and it fails years before a well-built frame does. That's actually good design: on a structurally sound dock, replacing decking is a straightforward, high-impact project that buys back both safety and appearance without touching the expensive substructure. The threshold question is always the frame: we open a few boards and check stringers, joists, and hardware first, because new decking screwed to soft framing is money spent papering over the real problem.

The First Coast replacement decision is usually wood versus composite. New pressure-treated decking is the budget answer — lowest cost per board, honest lifespan of 10–15 years here with sealing every year or two. Composite roughly doubles to triples the surface cost but changes the ownership experience: no sealing, no splinters, no graying, and a realistic 25+ year life. One technical catch matters: composite generally requires tighter joist spacing than wood (commonly 16-inch centers versus the 24 inches older wood docks were framed at), so some framing adjustment is a normal part of a composite conversion — a cost worth quoting up front, not discovering mid-project.

Fasteners decide how the new deck ages. Standard deck screws corrode and stain within a couple of seasons over brackish water; stainless steel is the specification that matches the lifespan of the boards it holds. Hidden fastener systems, standard on most composite lines, remove the corrosion point from the walking surface entirely and give the clean, screw-free look most owners choose once they've seen it. Board orientation, gapping for drainage, and picture-frame borders are the finishing details that separate a professional surface from a lumberyard weekend.

Timing tip: decking replacement is the natural moment to add anything that runs under the deck — lighting wire, water lines, lift electrical — while the surface is open. Most residential dock resurfacing completes in two to five days, and in-kind surface replacement typically avoids new permitting entirely as maintenance repair.