Why Anchor Lockers Stay Wet
An anchor locker takes on water by design. The chain comes aboard dripping after every drop and retrieval, rain and spray find their way in through the deck fitting, and the rode itself holds moisture in its fibers. The locker is built to accept all of that, but most of them are not built to release it quickly. What you are left with is rode and chain sitting in whatever has collected at the bottom of the compartment, trip after trip, season after season.
The consequence is not just wetness in the moment. Chain that sits in standing salt water corrodes faster than chain that gets a chance to dry. The galvanizing on anchor chain works best when it can dry out between uses rather than staying submerged in brine. A nylon or polyester rode weakens over time when it stays wet, and the shackles, swivels, and thimbles attached to it corrode in the process. The smell that builds up in a wet anchor locker comes from the same mechanism: a sealed compartment with standing water and no airflow gives mildew exactly what it needs to establish itself.
What a Wet Locker Actually Needs
The locker needs two things working together: water that enters must get to the drain path quickly, and air must be able to circulate around the gear so it can dry between uses. A flat mat or foam pad does the opposite. It sits on the compartment floor and traps water underneath itself, slowing drainage and holding humidity against the hull. What works is an open, elevated structure that lets water pass through to the bottom and keeps the gear above it while air moves underneath.
How Dri-Dek Works in an Anchor Locker
Each 1'x1' Dri-Dek tile stands on 284 flexible legs per square foot, holding rode and chain 9/16 of an inch above the locker floor. Water that comes in with the gear or from spray passes through the open surface and drains to the low point of the compartment instead of pooling under the chain pile. Air circulates underneath and around the gear, so the locker dries between trips rather than staying damp until the next one.
Antimicrobial agents built into the Oxy-B1 vinyl resist the mildew and odor that sealed marine compartments invite. The material is rated for continuous marine exposure from -30 degrees F to 167 degrees F and resists salt water, brine, oils, and detergents without cracking or fading. UV stabilizers handle sun exposure on deck-level and open lockers. The flexible legs also absorb impact and reduce noise, so chain does not rattle against fiberglass when the boat is underway.
"I put this at the bottom of a wet lazarette and it works wonderfully." — Verified customer review
- 284 flexible legs per square foot lift gear 9/16 of an inch above the locker floor
- Flow-through drainage to the compartment low point; air circulates beneath the gear
- Antimicrobial Oxy-B1 vinyl resists salt water, brine, oils, and detergents
- Rated -30 degrees F to 167 degrees F for continuous marine use
- UV stabilizers prevent fading and degradation from sun exposure
- 1'x1' tiles trim to fit; lift out in one piece for hose-off cleaning
Fitting Tiles to Your Locker
Anchor lockers are rarely square. Most taper from the deck opening down to the bow, with curved walls and a narrowing footprint. Dri-Dek tiles trim to any shape with a utility knife. Snap tiles together to fill the compartment area, then cut the perimeter to follow the locker's curve. Most boaters make a paper template first and transfer the outline to the tile assembly before cutting. For a small chain well, a single tile trimmed to fit is often enough.
The finished liner sits loose in the locker. Nothing is glued or fastened to the boat. When the locker needs a full clean at the end of the season, the liner lifts out in one piece, hoses off on the dock, and drops back in. The same process works after a muddy anchorage or any time the chain comes up covered in bottom.
Other Compartments That Benefit
The same tile system that drains the anchor locker works in cockpit lockers, lazarettes, under-seat storage, and helm compartments where fenders, dock lines, safety gear, and electronics cases are stored. See the boat compartment drainage page for a full guide to each compartment type and how tiles fit into each.
Common Questions
Does it work in a chain locker, not just a gear compartment?
Yes. The tile structure holds chain elevated above the locker floor the same way it holds rope or gear. Water passes through the open surface to the drain path below. The antimicrobial vinyl resists the odor that chain lockers are known for, and the tiles trim to fit the compartment whatever its shape.
How do I clean it after a trip?
The liner lifts out in one piece. Hose both faces down and drop it back in. For heavier buildup, scrub with a brush and mild detergent. The vinyl resists salt, brine, and standard marine cleaning products, so there is nothing to protect when cleaning.
Will it stop the mildew smell in the locker?
It removes the conditions that create the smell. Gear dries because air circulates beneath it, and antimicrobial agents built into the vinyl resist mildew growth on the tile surface itself. A locker that previously generated a mildew smell from trapped moisture will stop doing so once water is no longer pooling under the gear.
How does it handle chain wear?
Normal anchor chain use does not wear through the tiles. The Oxy-B1 vinyl is rated for continuous marine use from -30 degrees F to 167 degrees F and handles the repeated mechanical contact of chain, tackle, and hardware retrieved and stored regularly.
What if my locker has a very irregular shape?
Snap tiles together to fill the footprint, cut the perimeter with a utility knife to follow the compartment walls, and drop the assembly in. A paper template cut to the locker's exact shape makes the fit precise. Most owners find the snap-and-trim approach handles even tightly curved anchor wells without trouble.
Made in the USA Since 1977
Dri-Dek has been used in marine compartments since 1977, is made in the USA, and carries a 4.92-star average across 120 customer reviews and a 5-year warranty against defects in material and workmanship. Free samples are available, and orders often ship same day. See current pricing and format options at the product page.
For more on where boaters use Dri-Dek, see the boat compartment drainage page. For material and durability questions, see the material properties FAQ. For a broader look at use cases, see the use cases FAQ.