ATL 8 Structure
Every HiLine tower is built around Atlantic Towers®' exclusive ATL 8 extrusion system for finished hardtop construction.
Custom Hardtops
HiLine Towers
Highly finished composite structures using individually developed designs that are unique to the owner and the boat.
Every Atlantic HiLine tower is built around the exclusive ATL 8 extrusion system, allowing finished hardtops to retrofit to factory arches or become part of complete self-supporting hardtop and tuna tower structures.
One owner's HiLine story1-800-831-8889
Composite Hardtops Built for Retrofit and Clean Integration
HiLine hardtops are positioned to deliver the appearance of a molded top with less weight, more practical retrofit flexibility, and cleaner integration with arches, enclosures, and mounted equipment.
Retrofit-Ready
HiLine hardtops can retrofit to existing factory arches or become part of complete one-piece structures and tuna towers.
Factory-Look Finish
Powdercoated structure and molded hardtop detailing are designed to look integrated rather than added on later.
Equipment Friendly
The open grid interior supports recessed lighting, speakers, and other onboard equipment without cluttering the finish.
HiLine Construction
Finished hardtops designed around practical enclosure and equipment needs
HiLine hardtops feature powdercoating of the hardtop structure to match the inner and outer fiberglass surfaces, creating the appearance of a full molded top while staying materially lighter.
A molded pocket allows retrofit to existing factory arches with a more factory-like result, while an integrated canvas rail contoured to the hardtop shape supports cleaner weather enclosure integration.
The sunroof and custom molded interior trim options described on the live page remain part of the design story, adding ventilation, visibility, and access flexibility where the boat layout calls for it.
The open-grid interior structure makes it easier to integrate recessed lighting, speakers, and other onboard equipment without turning the hardtop into a visual afterthought.
Owner Story
See a full HiLine retrofit story from an owner installation
The live page prominently linked a full owner story about the HiLine experience. That reference remains available as an external companion for owners who want a deeper look at the retrofit journey.
The HiLine Experience
A collaborative design process from first conversation to finished hardtop
1
Consultation
The HiLine experience begins with a consultation between you and Atlantic Towers®' design staff to define esthetic and functional goals.
2
Design Proposals
The design and engineering staff develops proposals with overall profile and plan views so you can review styling, sunroof placement, and equipment layout.
3
Refinement
Ideas can be exchanged and revised several times before the final design reaches the right balance of appearance and performance.
4
Finished Build
Once planning is complete, Atlantic Towers® turns the approved design into a finished HiLine hardtop built to enhance ownership experience on your boat.
Before & After
Before and after the HiLine installation
The live page ended with a before-and-after HiLine installation block that emphasized the visual and practical transformation of the boat once the hardtop was installed.
The source layout showed the before state only as a label and kept the visual proof on the finished installation side. This rewrite preserves that framing without inventing an unavailable before image.
Prices and specifications are subject to change.
Before
Existing boat layout
Atlantic Towers® begins by evaluating the existing arch, windshield line, and owner priorities before defining the final HiLine hardtop geometry.
Related Information
More resources for planning a HiLine project
If you are comparing fitment, planning installation, or reviewing warranty and buying information, these resources will help you take the next step with confidence.
Pro Trampoline Fit Guidance
Review Pro Trampoline T-Top fit guidance, including the standard configuration and the alternate leg option used on some center console layouts.
Installation Help
If you prefer to work with a professional, review Atlantic Towers®' installation services guidance before planning your project.
Warranty Coverage
Review Atlantic Towers® warranty information for current coverage details and product-specific guidance.
Buying and Reseller Information
Atlantic Towers® sells direct and also works with authorized resellers in many regions. Start here to review available purchase paths.
Talk to Atlantic Towers®
Discuss the right HiLine configuration for your boat.
Share your boat details, enclosure goals, and equipment plans with Atlantic Towers® for guidance on retrofit approach, design direction, and quotation.