316 Stainless Steel

Stop Sinking Your Deck: Why 316 Stainless Steel Scuppers Are Non-Negotiable

38mm Boat Floor Deck Drain forged from mirror-polished 316 Stainless Steel on a clean white background.

38mm Boat Floor Deck Drain - 316 Stainless Steel Scupper (Mirror Polish)

Deck_Drainage • Top Pick

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Your deck is a swamp. Standing water rots fiberglass. Clogged scuppers cause slips. A wet deck is a dangerous deck. Salt's a killer. It never sleeps.

Cheap plastic fittings are junk. UV rays turn 'em brittle in a season. Saltwater pits low-grade 304 steel. One crack and you're taking on water. Don't trust your vessel to big-box store garbage. It's a liability, not a part.

Install the 38mm Boat Floor Deck Drain - 316 Stainless Steel Scupper (Mirror Polish). This is the engineered answer. Forged from 316 Marine Grade. It laughs at salt. The mirror polish isn't for show; it resists grime. High-flow design clears the deck fast. No pooling. No rot. No plastic trash.

Material 38mm 316 SS Scupper Generic Alternatives
Core Alloy 316 Marine Stainless Steel Plastic or 304 Steel
UV Resistance Eternal Poor (Cracks/Yellows)
Corrosion Resistance High-Salinity Rated Low (Pits/Rusts)
Price Investment Grade Cheap/Disposable

Check your gear. If you need more flow, look at the 316 Stainless Steel Boat Deck Drain - High-Flow Marine Scupper (50mm). For the cabin or cockpit, the 316 Stainless Steel Self-Bailing Boat Floor Drain - Anti-Odor Scupper (1.5") is the way to go. Safety first, always. Consult USCG Boating Safety for hull integrity standards.

Scupper
An opening in the ship's side at deck level for draining water overboard.
316 Stainless Steel
Marine-grade alloy with molybdenum to prevent saltwater pitting and crevice corrosion.

Secure the ship. Use a 316 Stainless Steel Danforth Boat Anchor - Mirror Polished (8.5lb-13lb) when you finally drop hook. Do it right, or don't leave the dock.

FAQ

Is this drain truly corrosion-resistant in saltwater environments?
Yes, forged from high-density 316 Stainless Steel, this scupper is specifically engineered for high-salinity marine environments, resisting pitting and crevice corrosion better than standard 304 steel.
Will this fit my existing 1.5-inch deck opening?
This unit features a standard 38mm (approximately 1.5") outer diameter pipe, designed for a flush, seamless fit in standard marine deck openings without the need for custom fabrication.
How does the filtration system prevent clogs?
The precision-milled filtration matrix uses a directional grid system that maximizes water flow velocity while trapping larger debris, ensuring your bilge or scupper system remains clear during heavy washdowns.
Written by Captain Mike - Veteran Skipper

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