Lewmar Size 10 Low Profile Deck Hatch
Lewmar Size 10 Low Profile Deck Hatch — Product description
Discover the Sleek Performance of the Lewmar Size 10 Low Profile Deck Hatch
Imagine gliding across open waters with a deck hatch that blends seamlessly into your boat's lines while delivering unmatched ventilation and natural light below deck. The Lewmar Size 10 Low Profile Deck Hatch strikes that perfect balance—compact enough for tight spaces on sailboats or powerboats, yet robust for everyday marine demands. Boat owners rave about its minimalist design that enhances aesthetics without sacrificing functionality, making it a go-to for foredecks, cabins, or anywhere you need reliable access to fresh air.
Engineered for Marine Excellence
Crafted with boaters in mind, this hatch features a curved aluminum frame that's anodized for superior corrosion resistance against saltwater spray and harsh UV exposure. The smoke grey acrylic lid not only looks modern but also resists yellowing over time, ensuring your vessel stays sharp season after season. Unlike bulkier alternatives, its ultra-low 1-inch profile hugs the deck, reducing wind resistance and that "add-on" feel.
- Effortless Operation: Friction levers secure the lid at any angle up to 95 degrees, with full 180-degree swing for maximum airflow—ideal for those hot anchorages.
- Self-Supporting Design: No struts or springs to fail; simply prop it open and let gravity do the rest.
- Secure and Versatile: While this size opens only from inside for added security, larger siblings offer deck-side access.
- Durability Boost: 5/16-inch thick acrylic withstands impacts, and the 9/16-inch lower frame provides rock-solid mounting.
Precise Fit for Seamless Integration
Measuring a square 13 x 13 inches overall, it requires a straightforward 10.25 x 10.25-inch cutout with 1 11/16-inch corner radii—perfect for retrofits or new builds. At just 4.9 pounds, installation feels manageable even for solo projects. Here's a quick-reference spec table for your planning:
| Specification | Value |
|---|---|
| Overall Dimensions (L x W x H) | 13" x 13" x 1" |
| Cut-Out Dimensions (L x W) | 10.25" x 10.25" |
| Cut-Out Radii | 1 11/16" |
| Frame Radii | 2 7/8" |
| Weight | 4.9 lbs |
| Acrylic Thickness | 5/16" |
| Lower Frame Thickness | 9/16" |
Installation Made Simple and Secure
Prep your deck for a flat surface within +/- 1mm tolerance to avoid leaks. Use M6 (1/4") fasteners at the hinge and No.10 UNC 2BA or 5mm CSK screws for the frame—always bed with marine sealant for a watertight bond. Pro tip: Dry-fit first to check alignment, then torque evenly to prevent warping. Many skippers pair it with Lewmar's companion vents for year-round cabin comfort.
Step-by-Step Tips for Success
- Mark and cut the opening precisely using a jigsaw with fine-tooth blade.
- Test-fit the frame, adjusting radii as needed for flush seating.
- Apply sealant liberally under the frame and hinges.
- Secure hinges first, then frame screws in a star pattern.
- Operate several times before launch to confirm smooth action.
Maintenance for Long-Lasting Reliability
Keep it performing like new with annual checks: Clean the gasket groove, lubricate friction levers with silicone spray, and inspect acrylic for scratches (polish lightly if needed). In saltwater environments, rinse the frame post-use. This hatch's thoughtful design means minimal upkeep for maximum uptime on the water.
Perfect Applications Across Boat Types
From compact runabouts craving sleek ventilation to mid-size cruisers needing foredeck access, the Size 10 shines. Sailors love it for coachroof installs where low windage matters; powerboaters appreciate the unobtrusive style on flybridges. It's not just a hatch—it's an upgrade that elevates your boating experience.
Frequently Asked Questions
Can the Lewmar Size 10 Low Profile Deck Hatch be opened from the outside?
No, this specific size is designed for inside-only access to enhance security, without an exterior handle. Larger sizes in the series offer deck-side operation.
What kind of surface is required for installing this deck hatch?
It mounts to flat surfaces with a tolerance of +/- 1mm. Ensure your deck is level for a proper seal.
How does the hatch stay open during use?
Friction levers hold it securely at any position up to 95 degrees, with full 180-degree capability for unobstructed access.
Is the frame resistant to saltwater corrosion?
Yes, the anodized aluminum frame provides excellent protection against marine environments, including salt spray.
What maintenance does this hatch need?
Routine cleaning, gasket checks, and lubrication of levers annually keep it in top shape. Avoid abrasive cleaners on the acrylic.
Will this hatch fit on curved deck surfaces?
It's optimized for flat decks. For slight curves, consult precise measurements, but significant contours may require alternative models.
How thick is the acrylic lid for impact resistance?
The 5/16-inch thick smoke grey acrylic offers robust protection against everyday bumps and UV fading.
Size 10 Low Profile Deck Hatch
The Low Profile Hatch has soft styling and sleek looks, ideal for use on a powerboat. Smaller ventilation hatches are suitable for any deck location on sailboats, while the larger sizes can be used as foredeck hatches on smaller to mid-size yachts.
Features:
- Outside handles allow the hatch to be opened from on deck if it is not locked (Sizes 00, 03,10, 20 & 41 have no outside handle and can only be opened from the inside.)
- Low profile hatches open up to 180° (round hatches open to 170°)
- Friction levers hold the lid open in any position up to 95°
- Anodized aluminum frame for corrosion resistance
- Curved upper frame profile for strength as well as modern styling
Technical Specifications:
- Support System - Self-supporting
- Color - Smoke Grey
- Weight - 4.9lbs
- Dimensions (L x W x H) - 13" x 13" x 1"
- Cut-Out Dimensions (L x W) - 10.25" x 10.25"
*Sold as an Individual
| Support System | Lower Frame (in) | Acrylic Colour | Hatch Weight (lb) | Acrylic Window Thickness (in) |
| Self Supporting | 9/16 | Smoke Grey | 4.9 | 5/16 |
Dimensions
| Length (in) | Width (in) | Height (in) | Radii (in) | Cut-Out Length (in) | Cut-Out Width (in) | Cut-Out Radii (in) |
| 13 | 13 | 1 | 2 7/8 | 10 1/4 | 10 1/4 | 1 11/16 |
Mounting Instructions
Fit to a flat surface with a maximum tolerance of +/- 1mm. Fastening size at hinge section use M6 (1/4"). Fastening size for lower frame use 5mm CSK screw No.10 UNC 2 BA.
SKU: NVN-94267
MPN: 2020206645
UPC: 743683107047
Technical specifications
| Brand | Lewmar |
| Model | Lewmar Size 10 Low Profile Deck Hatch |
| SKU / MFR# | 94267 |
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