Lightweight, Reliable, and Easy to Install
The Gray Series is a go-to deck plate solution for OEMs and boatbuilders seeking a lightweight, low-profile design with secure sealing power. Made from UV-stabilized polypropylene, these molded plates resist cracking and sun damage in harsh conditions.
Key Features:
- Injection-molded UV polypropylene construction
- Locking lid with non-skid surface
- Flush-mount, low-profile design
- O-ring gasket seal for watertight protection
- Sizes from 4″ to 10″
- Available colors: Black, Off-White, and Stark White
- Available styles: Screw-In, Locking Center, and Press-In
Gray Series
Molded Deck Plates
Ideal for sealing off fuel tanks, electrical systems, or dry storage, Gray Series deck plates come in multiple finishes and styles: screw-in, locking center, and press-in. Each lid includes a non-skid surface and a robust O-ring gasket seal to ensure watertight protection.
Standard Features
Injection Molded Construction
- Injection Molded High Impact UV Stable Polypropylene
- Built & Tested for Harsh Marine Environments
Sleek Appearance
- No Visible Exterior Screws
- Low Profile Design
- Clean Textured Lid
Double Sealing Gasket
- For Maximum Sealing Power
Key Materials
Polypropylene Resin
- The Gray Series deck plates are constructed from Bomar’s proprietary engineering grade polypropylene resins. Polypropylene is ideal for harsh marine environments due to it’s lightweight, structural rigidity and long lasting durability.
Additional Options
Flexible Sizing
- 4″ to 10″ Diameters to Accommodate Boat Builders & Enthusiasts
- Available in Round (Circle) Form Factors
Deck Plate Types
- Available in Screw-In, Press-In & Locking Latch Styles
Personalization Options
- Black, Off-White and Stark White Color Options
- CE Approvals
- Bomar Spare Parts & Installation Accessories Readily Available
Precision-Built Deck Plates for Demanding Work
Bomar deck plates are engineered to meet the tough standards of commercial builders and marine professionals. Made in the USA from marine-grade materials, they offer watertight protection, easy access, and long-term durability. Whether molded or cast aluminum, every plate is built to perform under pressure.
Commercial Grade Series
Cast Aluminum Deck Plates
Offered in sizes from 6” to 10” with optional bolt-down configurations, they’re ideal for use in engine rooms, below-deck utility compartments, and other mission-critical areas. Certified by Lloyd’s Register and used across commercial fleets, these plates lock down tight and stand the test of time.
Heavy-Duty Performance for Demanding Applications
Built for strength and serviceability, the Commercial Grade Series features rugged Almag-35 cast aluminum construction with stainless steel T-handles and optional powder coating. These deck plates are designed for high-load areas where long-term durability is non-negotiable.
Key Features:
- Almag-35 cast aluminum with brushed or powder-coated finish
- Non-skid, low-profile lid design
- Locking T-handle with stainless steel hardware
- Removable lid for easy access
- Sizes from 6″ to 10″
- Optional bolt-down configurations
- Lloyd’s Certified for commercial marine builds
Standard Features
Almag-35 Construction
- Heavy Duty 535 Magnesium Hardened Aluminum
- Lightweight Combined with Strength & Durability
- Natural Brushed Finish
- Built & Tested for Harsh Marine Environments
Lloyd's Certified
- Tested to be Watertight, Submerged to 30 FT (10M) Head Pressure Testing
Low Profile Design
- Ergonomic Design Provides Under-Deck Space Savings
Floating Hinge System
- Allows for 180+ Degrees of Opening Angle
316L SS Handles & Hardware
- 316L for Rust & Corrosion Resistance
- Provides Robust Dogging Action
Ultra Lightweight
- 20-30% Lighter Than Competitors
- Without Sacrificing Strength & Durability
Key Materials
Almag-35
- Bomar uses 535 magnesium hardened aluminum to construct our Commercial Grade Series inspection hatches. The raw almag-35 is heated to 1100 degrees F at the Bomar foundry and is then melted and poured into our proprietary cast molds.
Stainless Steel
- The Commercial Grade Series inspection hatches are professionally assembled in-house with 316L, marine grade, stainless steel T-handle & fasteners. Stainless steel is ideal for harsh marine environments due to it’s rust & corrosion resistance, strength and luster.
Additional Options
Flexible Sizing
- The Commercial Grade Series inspection hatches are professionally assembled in-house with 316L, marine grade, stainless steel T-handle & fasteners. Stainless steel is ideal for harsh marine environments due to it’s rust & corrosion resistance, strength and luster.
Personalization Options
- Custom Powdercoating
- CE Approvals
- Bomar Spare Parts & Installation Accessories Readily Available
what makes us different
Why Choose Bomar Deck Plates?
Built to Endure. Made to Work.
Bomar deck plates resist UV, impact, and saltwater—delivering tough, watertight access where reliability matters most on your vessels.
Options For Any Vessel
From molded press-in lids to locking aluminum hatches, we offer a range of finishes, sizes, and mounting styles to match your build specs.
Commercial & Recreational Use
Trusted by OEMs, boatyards, and commercial operators around the world, Bomar deck plates are field-tested and fleet-approved.
American Made. Proven at Sea.
Manufactured and engineered in the USA, Bomar hatches are backed by decades of field use around the world.
Not Sure Where to Start?
Tell us about your build. Whether you’re designing a fleet of patrol vessels or refitting a custom sportfisher, Bomar has the marine closure solution to fit your needs.
