Nor-Tech 340 Sport T-Top Boat Cover & Canvas

Nor-Tech 340 Sport Specifications

  • Length Overall (LOA): 34'
  • Beam: 10'
  • Dry Weight: ~9,500 lbs
  • Engine: Triple or quad outboard, up to 1,800 HP total (Mercury Racing)
  • Fuel Capacity: 250 gallons
  • Draft: ~2.5'
  • Hull Type: Stepped deep-V, hand-laid woven fiberglass with Kevlar reinforcement

Cover Features

  • Fabric Options: 9oz solution-dyed marine fabric or premium Sunbrella acrylic
  • Coverage Type: T-Top cover wraps hull below hardtop; hardtop remains exposed
  • Construction: Reinforced stitching, hem cord at rubrail, adjustable tie-down straps
  • Durability: Solution-dyed fabric (5-7 years); Sunbrella acrylic (8-10 years)
  • Fit: Custom-fitted to 34' Nor-Tech 340 Sport specifications
  • Protection: UV-resistant, water-repellent, weatherproof

Description

Additional information

Choose Your Cover Fabric

7 oz. Polyester — Our entry-level marine cover fabric, woven from 100% polyester fiber at a 7 oz. per linear yard weight. This lighter option keeps the cover manageable for solo handling while still delivering reliable protection against sun, rain, and debris. Backed by a 3-year fabric warranty. Ships in Black.

9 oz. Polyester — Step up to our heavy-duty polyester, engineered at 9 oz. per linear yard for boats that face tougher conditions or extended outdoor storage. The denser weave adds an extra layer of defense against abrasion and weather without adding unnecessary bulk. Protected by a 5-year fabric warranty. Ships in Navy or Black.

Sunbrella® — For boaters who want the best, our Sunbrella covers use 100% solution-dyed acrylic — the same fabric trusted by marine professionals worldwide. Naturally resistant to fading, mold, and water damage, Sunbrella holds its color and integrity season after season. Covered by a 6-year fabric warranty. Ships in Black, Smoke, or Marine Blue.

Both polyester options feature solution-dyed construction, where pigment is infused into each fiber during production rather than applied to the surface afterward. This process locks color deep into the material, preventing any dye transfer to your boat’s gel coat or finish. The result is a cover that stays vibrant without bleeding or rubbing off. Our polyester is also designed to breathe — it allows moisture trapped underneath to vent out naturally, reducing the risk of mildew and keeping your boat dry. The fabric holds its form without sagging or stretching over time, stays lightweight enough for one person to handle, and stands up to prolonged UV exposure and harsh marine weather.

*The warranty periods above are provided by the fabric manufacturer and cover the material itself. For details on what’s included in the warranty for your completed cover, please see our warranty page.
Weight 49 lbs

Install

Please watch the video below for installation instructions!

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Frequently Asked Questions

The Nor-Tech 340 Sport T-Top cover is crafted from 9oz solution-dyed marine fabric as the standard option, with upgrades available in 7oz and premium Sunbrella acrylic. Solution-dyed fabric is colored at the fiber level for superior UV and fade resistance compared to piece-dyed alternatives.
Yes. The Nor-Tech 340 Sport T-Top cover is pattern-cut with reinforced cutouts that wrap around the T-Top legs and frame. The hardtop remains exposed while the cover protects the hull, console, leaning post, cockpit, and all below-hardtop components.
Installation takes under 5 minutes with no tools required. Drape the cover over the Nor-Tech 340 Sport's hull, align the T-Top cutouts around the frame, and secure using the integrated strap-and-buckle system. Even on a 34-foot high-performance hull, one person can complete installation solo.
Yes. The Nor-Tech 340 Sport T-Top cover is reinforced for trailering at highway speeds. Double-stitched seams, a hem cord at the rubrail, and adjustable tie-down straps keep the cover locked tight during transport — critical for a 9,500-pound boat at speed.
Yes. The Nor-Tech 340 Sport T-Top cover creates a complete barrier over the helm electronics, Garmin displays, triple-wide helm seat upholstery, and cockpit surfaces. The water-repellent, UV-resistant fabric blocks sun damage, rain intrusion, bird droppings, and environmental debris.
Every Nor-Tech 340 Sport T-Top cover includes a 2-year manufacturer warranty covering defects in materials and workmanship. The solution-dyed fabric is engineered for 5-7 years of service life, while Sunbrella acrylic is rated for 8-10 years.
The Nor-Tech 340 Sport T-Top cover is water-resistant with a durable water repellent (DWR) finish that causes rain and spray to bead and roll off. The fabric is breathable, allowing trapped moisture and condensation to escape — preventing mildew buildup underneath the cover even in humid marina environments.
Yes. This cover is designed to fit the Nor-Tech 340 Sport across its standard production run with the factory T-Top configuration. If your boat has significant aftermarket modifications to the T-Top structure or hardtop, contact us to confirm fitment.
The 9oz solution-dyed fabric is available in Navy, Black, and Charcoal. Upgrading to Sunbrella acrylic opens additional color choices. All colors are solution-dyed for maximum fade resistance over years of sun exposure.
Yes. Every Nor-Tech 340 Sport T-Top cover ships free via standard shipping to the continental United States. Orders typically ship within 1-2 business days.
  • *Materials

    *Fabric & Colors

    *Fabric & Colors

  • Cover Option

    Boat Option

    You have selected "Sea Pen" as your storage option. Please call our office at 843-760-6101 to place your order.

    Key West Style Top is not exclusive to Key West Boats.

    Aft Support Bars

    Does your t-top have aft support bars?

    Jet Dock Storage

    Our Covers are designed to fit best with the motors trimmed down. By choosing Jet Dock as a storage option, you're agreeing to modify your cover further if the fit at the motors isn't as desired.

     

    In Water Storage

    Our covers are not designed for In Water use. Selecting this option is acknowledging that you will have to take the cover to a local canvas shop for modification and will void your warranty. We recommend our Center Console Curtain as a solution for In Water Storage.

     

    Motor Option

    Bow Option

    A re-powered motor means the motor has been upgraded or there has been a change in the motor style from the original factory motor

    There is a variety of different style trolling motors. For this reason, trolling motor patterns are not available. You must remove trolling motor for cover to fit.

    *I will remove trolling motor selection will be filled

    Additional Option

    JACK PLATE
     
     

    You have selected Powerpoles as an option. Measurements are needed in order to process your order. Please click the link below, fill in the measurements and send back to design@perfectfitboatcovers.com in order to fully process your order. Please include your name in the subject line. Power Pole Measurement Form 

Nor-Tech 340 Sport T-Top Boat Cover — High-Performance Offshore Protection

The Nor-Tech 340 Sport is a 34-foot offshore machine built for speed, luxury, and serious fishing. Founded in 1988 by Trond Schou and Nils Johnsen in North Fort Myers, Florida, Nor-Tech Hi-Performance Boats has earned a reputation for building some of the fastest center consoles on the water. The 340 Sport delivers on that promise with a 10-foot beam, approximately 9,500-pound dry weight, and capacity for triple or quad Mercury Racing outboards pushing up to 1,800 total horsepower — cruising comfortably above 50 mph. A 250-gallon fuel tank provides the range to run hard all day, while the stepped hull carves through rough seas with precision. A custom-fitted T-Top cover from Perfect Fit Boat Covers keeps every inch of that investment sealed and protected between runs.

Tailored to the 340 Sport’s Performance Layout

This cover is pattern-cut specifically for the Nor-Tech 340 Sport’s center console profile — wrapping around the T-Top frame, triple-wide helm seat, leaning post with integrated rod holders, and the deep cockpit that accommodates serious tournament rigging. The insulated fish boxes, pressurized livewells, oversized rod lockers, and premium Garmin electronics array all stay sealed beneath solution-dyed marine fabric that installs in under five minutes without tools. One person drapes, straps, and buckles the cover solo, and it’s reinforced for trailering at highway speeds. If you’re also running a premium offshore center console, our cover for the Intrepid 32 delivers the same custom fit for that flagship Intrepid hull.

Protection That Matches Nor-Tech’s Hand-Laid Build Quality

Nor-Tech’s hand-laid woven fiberglass construction with Kevlar reinforcement represents the pinnacle of center console boatbuilding — your cover should reflect that standard. Perfect Fit offers 9oz solution-dyed marine fabric rated for 5–7 years of UV and weather resistance, plus premium Sunbrella acrylic engineered for 8–10 years of continuous service. Double-stitched seams resist tearing under wind load, the hem cord locks at the rubrail for a drum-tight fit, and adjustable tie-down straps eliminate flapping in coastal gusts. Every cover ships with a 2-year manufacturer warranty. Owners shopping for tournament-grade protection on a smaller platform will find the same precision coverage on our Intrepid 23 T-Top cover for the nimble 245 CC.

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