Dock repair and flotation replacement
Sun, wakes, storms and rising water all wear on a dock. Here's what to look for and how Grand Lake docks are usually brought back.
Even a well-built dock needs work as it ages. Floats break down or take on water, steel rusts at the welds, cables loosen, decking wears through and walkway hinges bind. A spring storm or a high-water event can pull anchors loose or rack the frame. Catching problems early keeps a repair from turning into a replacement.
Signs your dock needs attention
- One corner or one side riding noticeably lower than the rest
- Bits of foam floating around the dock, or floats that look cracked or peeling
- Rust bleeding through at welds and connection plates
- Anchor cables that have gone slack or a dock that drifts more than it used to
- A walkway that hangs up or twists as the water rises and falls
- Corner lights out, or wiring and boxes that look damaged
What does GRDA expect from replacement flotation?
GRDA's private dock application says flotation must be commercially made for marine use and must not become waterlogged, crack, peel, fragment or lose beads. Foam has to be fully encased in solid polyethylene or a similar shell, and GRDA defines encapsulated flotation as expanded polystyrene inside high-density polyethylene at least .150 inch thick on the bottom and .125 inch on top. New construction can't use non-encapsulated white foam, so swapping old bare foam for encapsulated floats is one of the most common repairs on the lake.
Common repairs
- Float replacement to bring the frame back up and level.
- Frame work: replacing rusted members, plates and fasteners.
- Anchoring: new cables, winches or anchors of a type GRDA allows.
- Walkways: hinges, rollers and the shore connection.
- Electrical: handled by an Oklahoma licensed electrical contractor, with the disconnect above the high water mark.
Is it a repair or a modification?
Like-for-like fixes are one thing. GRDA's rules say any modification, change, addition or improvement needs GRDA's permission first, and reconfiguring a dock beyond its original plans needs approval before it's installed. If the repair changes the footprint, slips or layout, ask GRDA before work starts.
We don't put prices on this site. The dock contractor you're connected with prices the job after seeing your shoreline, water depth and access, and anything said over the phone is only a rough starting point.
Where we connect you with help
Common questions
Why is my dock sitting low in the water?
Usually the flotation has broken down or taken on water. Replacing old floats with encapsulated ones generally brings the dock back up.
Can I use any foam to fix my dock?
No. GRDA requires marine-grade flotation, and new construction can't use bare white foam. Foam must be fully encased.
Related services
More background: Grand Lake dock permit guide.
Dock sagging, lift acting up, or ready for a new slip?
Call and we'll put you in touch with a dock builder who works your side of Grand Lake.