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Fiberglass & Gelcoat Repair

Compare trusted boating professionals across the US.

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Top-Rated Fiberglass & Gelcoat Repair Professionals

What others are saying about Outlaw Marine

Clients return to Outlaw Marine for Don's decades of experience and expertise with inboard boat repairs, particularly Mastercraft vessels. Reviewers consistently praise the shop's honesty, quality workmanship, and helpful customer service, with many noting they've been loyal customers for 10+ years. As one long-time customer put it, 'Don really fixes things' and provides excellent advice even for small issues. However, some customers have experienced significant issues with billing practices and scheduling reliability.

Reviews sourced from Google

What others are saying about Sybrant Marine Services

Reviewers consistently highlight Sybrant Marine Services' comprehensive approach to vessel care, from routine cleaning and maintenance to complex refurbishing and storage solutions. Whether you need basic upkeep or full-service management as an out-of-state owner, their team delivers with exceptional attention to detail. Both responsiveness and professionalism come through strongly in the reviews, with customers praising their ability to identify and fix issues before they become problems on the water.

Reviews sourced from Google

What others are saying about Treasure Coast Customs

Treasure Coast Customs receives praise from customers for their fiberglass work, non-skid flooring, and hull repairs, with many highlighting Dustin's communication skills and photo updates throughout projects. Multiple customers commend their competitive pricing and professional quality work on boat restoration and marine repairs. However, some reviews mention concerns about work quality and project completion, suggesting experiences can vary.

Reviews sourced from Google

What others are saying about Diversified Yacht Services

A common theme in the reviews is praise for the knowledgeable and helpful staff, particularly Joe in parts who customers describe as exceptional and will be missed when he retires. Reviewers consistently mention the team's ability to quickly source marine parts for engines like Mercury, Yanmar, and Mercruiser, with many noting same-day or next-day service. However, some customers experienced significant communication issues and delays, particularly with major repairs and parts ordering. As one reviewer put it, the business offers 'old school customer service with a smile' when things go well.

Reviews sourced from Google

What others are saying about Mobile Marine Services Unlimited

The reviews paint a picture of a business known for dependable craftsmanship and honest, hard work that keeps local boaters returning year after year. From servicing Mercury outboards and replacing damaged props to meticulous fiberglass restoration and buffing, what sets them apart is their comprehensive mechanical and cosmetic skill. While an undeniably busy schedule can occasionally stretch turnaround times and communication, time and again customers describe Patrick and his crew as trustworthy professionals dedicated to getting vessels running and looking brand new.

Reviews sourced from Google

What others are saying about Flat Island Boatworks

A common theme in the reviews is praise for owner Mike and his team's extensive marine expertise and quality workmanship across everything from transmission rebuilds to gelcoat repairs. The reviews make clear that Flat Island Boatworks stands out for their knowledgeable approach to complex boat systems and their willingness to go above and beyond for customers, including emergency situations. While most customers highlight their reasonable pricing and professional service, a few reviews mention concerns about communication issues and cost overruns on insurance work.

Reviews sourced from Google

What others are saying about Quality Full Service Marine

Across the reviews, Quality Full Service Marine earns recognition for delivering both exceptional craftsmanship and comprehensive marine services. Whether customers need detail-oriented work or full-service solutions, their team consistently provides what reviewers describe as 'top notch' quality without any games or BS. Both their workmanship and customer service shine through in the feedback, with clients emphasizing that while you get what you pay for, the reasonable pricing makes their premium quality accessible.

Reviews sourced from Google

What others are saying about Jolly Roger Marine Restoration

What stands out most across reviews is Jolly Roger Marine Restoration's reputation as Stuart's premier full-service boatyard, with customers consistently praising their bottom paint work. The reviews make clear that this is a shop that operates as a straightforward, DIY-friendly yard where boat owners appreciate both the quality workmanship and the hands-on management approach. Their team maintains high standards while creating an enjoyable working environment for marine projects.

Reviews sourced from Google

What others are saying about Fiberglass Solutions Florida

Reading through the feedback, one pattern emerges: from dock damage on a 34-foot Chris Craft to collision repairs on a 30-foot center console, customers consistently praise Robert and his team's expertise in fiberglass repair and marine restoration work. Reviewers highlight their comprehensive service approach, with the team handling everything from boat pickup in the Florida Keys to dealing directly with insurance companies. Multiple customers emphasize their fast turnaround times - one noting a complete repair within just one week - along with their commitment to quality workmanship that gets boats back to "100%" condition.

Reviews sourced from Google

What others are saying about Thunder Marine

Customers repeatedly praise Thunder Marine's owners Rian and Larissa for their exceptional attention to detail and proactive communication throughout every project. Known for tackling complex custom installations—from marine electronics and TV brackets to lighting systems—they consistently deliver high-quality work on time and within budget. What sets them apart is their responsiveness and willingness to go above and beyond, offering helpful advice and completing more than what's initially requested. Time and again, boat owners describe them as their go-to team for reliable service and craftsmanship.

Reviews sourced from Google

What others are saying about Boat Mechanic St. Pete FL

Clients return to Boat Mechanic St. Pete FL for their convenient mobile marine services that come directly to their location. On the technical front, their team handles diverse marine issues from routine maintenance and electrical problems to radar, battery, sonar, and boat lift repairs with professional expertise. When it comes to service delivery, customers consistently praise their reasonable pricing, punctual arrivals, and thorough approach that catches potential problems before they become costly issues.

Reviews sourced from Google

What others are saying about American Marine Repair

American Marine Repair consistently earns praise from yacht captains and boat owners for their professionalism and skilled workmanship on complex marine projects. Customers highlight their team's ability to handle challenging welding and hull work while keeping vessels clean and minimizing debris during repairs. The company stands out for delivering detailed quotes quickly, finishing projects on time and as promised, and going above and beyond to help with additional needs that arise during yard periods.

Reviews sourced from Google

What others are saying about Gables Motorsports

Across the reviews, Gables Motorsports earns recognition for their reliable boat repairs and maintenance services. The reviews make clear that customers appreciate both their punctual service delivery and detailed attention to customer care. What stands out most is their team's commitment to being on time and providing thorough, personalized service that leaves boat owners satisfied with the overall experience.

Reviews sourced from Google

What others are saying about All Mobile Marine Repair

What stands out most across reviews is Mike's exceptional diagnostic skills and reliability as a mobile marine mechanic. On the technical front, customers consistently praise his thorough approach to troubleshooting everything from diesel engines to electrical systems, with multiple reviews highlighting his expertise in getting boats running after extended downtime. When it comes to business practices, clients appreciate his dependability, fair pricing, and clear communication throughout the repair process. Tying it together, even professional yacht brokers recommend All Mobile Marine Repair as a top-tier service provider who delivers on promises and maintains excellent standards across all types of marine repair work.

Reviews sourced from Google

What others are saying about Express Marine Repair

Reading through the feedback, one pattern emerges: Express Marine Repair consistently delivers both exceptional craftsmanship and impressive speed across their services. Whether customers need comprehensive boat painting with flawless finishes or urgent maintenance repairs, their team handles projects with the same level of professional care. From detailed interior and exterior work that makes vessels look brand new to quick turnaround times that exceed expectations, customers praise both the quality of their paintwork and their responsive, efficient service approach.

Reviews sourced from Google

What others are saying about Pinoy Fiberglass Specialist

The reviews paint a picture of a business known for delivering both exceptional craftsmanship and outstanding customer service across their marine specialties. Whether you need fiberglass repairs or yacht painting, customers consistently praise Pinoy Fiberglass Specialist for their professional approach and extensive experience in the field. From technical expertise to helpful customer interactions, their team appears to excel across all aspects of their marine services.

Reviews sourced from Google

What others are saying about AU Marine Services

Reading through the feedback, one pattern emerges: AU Marine Services has built a rock-solid reputation over decades in the marine repair business. The reviews make clear that their combination of technical expertise and customer service sets them apart - clients consistently praise their communication, reliability, and the quality of their marine repair work. What stands out most is the long-term relationships they've cultivated, with one customer noting over 20 years of experience with the company and describing them as "the best in the business."

Reviews sourced from Google

What others are saying about Miller Boatworks

Customers consistently praise Andy Miller of Miller Boatworks as a superior craftsman in boat repair who does the job right without taking shortcuts. Reviewers also highlight terrific customer service, noting prompt communication and fast, accurate shipping for Alexseal products. Vessel owners express high confidence in his workmanship and recommend his services.

Reviews sourced from Google

Fiberglass & Gelcoat Repair Services

Specific services available under fiberglass & gelcoat repair

All Fiberglass & Gelcoat Repair locations

Every city with a Boatwork page for this service, by state.

California (33)
Florida (85)
Maine (1)
Maryland (1)
Massachusetts (2)
New York (1)
North Carolina (20)
Washington (1)

What Is Fiberglass & Gelcoat Repair?

Fiberglass boat repair is one of the most essential maintenance services a boat owner can invest in. Whether dealing with a deep hull crack, surface scratches, or widespread gelcoat oxidation, these issues go far beyond cosmetics — left untreated, they can compromise the structural integrity of the vessel and lead to costly damage. Gelcoat is the outermost layer of a fiberglass hull, acting as both a protective barrier and the source of your boat's color and gloss. When it chips, fades, or crazes, professional restoration brings it back to factory-like condition.

A qualified fiberglass technician will assess the extent of the damage, grind out compromised material, apply marine-grade fiberglass cloth and resin where needed, and finish with a gelcoat that is carefully color-matched to the surrounding area. The result is a repair that is virtually invisible and structurally sound.

Common Problems That Require Fiberglass & Gelcoat Work

Boat owners most commonly seek fiberglass repair services after a collision, grounding, or impact from dock contact. However, many repairs stem from long-term wear — hull stress cracks that develop from repeated flexing, osmotic blistering caused by water intrusion beneath the gelcoat, and surface oxidation that leaves hulls chalky and dull. Spider cracks around cleats, hatches, and fittings are also extremely common on aging vessels. Each of these issues requires a different repair approach, which is why working with an experienced marine fiberglass Pro matters.

Osmotic blister repair, in particular, is a multi-step process that involves opening and draining blisters, allowing the hull to dry fully, and applying epoxy barrier coats — a job that can take several days and should never be rushed. Attempting DIY repairs on structural damage or extensive blistering often leads to moisture entrapment and recurring problems.

What to Look for in a Fiberglass Repair Pro

Not all fiberglass repair technicians are equal. Look for Pros who have experience with your specific hull material and construction type — whether that is solid fiberglass, cored construction, or a composite layup. Gelcoat color matching is both a science and an art, so ask to see examples of previous work. A reputable Pro will perform a thorough damage assessment before quoting, explain the repair process clearly, and use marine-grade materials rated for continuous water exposure.

On Boatwork.co, boat owners can browse vetted fiberglass and gelcoat repair specialists, read reviews from other boaters, and receive competitive quotes — making it easy to find a trusted pro in your area without the guesswork.

What Affects the Cost of Fiberglass & Gelcoat Repair?

The cost of boat hull repair varies significantly based on the size and severity of the damage, the complexity of gelcoat color matching, and whether structural fiberglass work is required. A small surface scratch or chip may cost a few hundred dollars, while extensive osmotic blister repair or a major structural repair on a large vessel can run into the thousands. Geographic location, haul-out fees if the boat must be lifted from the water, and the Pro's labor rate all factor into the final price. Getting at least two to three quotes through a marketplace like Boatwork.co helps ensure fair, competitive pricing.

Typical Duration1-5 days

Benefits of Professional Fiberglass & Gelcoat Repair

  • Restore your hull's strength and watertight integrity
  • Achieve factory-quality gelcoat color matching
  • Prevent minor cracks from becoming major structural damage
  • Eliminate osmotic blisters before they spread
  • Boost resale value with a professionally repaired hull
  • Get repairs done with marine-grade materials built to last
  • Connect with vetted local fiberglass repair specialists
  • Receive competitive quotes with no obligation to book

Frequently Asked Questions

Fiberglass boat repair costs vary based on boat size and damage scope, from minor gelcoat chips to extensive structural repairs. The final price depends on the size of the damage area, whether structural fiberglass layup is required, and the complexity of gelcoat color matching. Getting multiple quotes from local marine contractors is the best way to get an accurate estimate.

Yes, professional gelcoat color matching is a core skill of experienced fiberglass repair technicians. Contractors use tinting systems and manufacturer color codes to blend custom gelcoat that closely matches the surrounding surface. On older boats where the original gelcoat has faded or oxidized, some polishing of the surrounding area may be needed to achieve a seamless finish.

Stress cracks, often called spider cracks or crazing, develop when the fiberglass hull flexes repeatedly under load — common around high-stress areas like cleats, hatches, and transom corners. They can also result from impact damage or improper trailer support. While superficial stress cracks are usually cosmetic, deep or structural cracks should be assessed by a professional to rule out underlying delamination or hull weakness.

Osmotic blisters appear as raised bubbles or bumps on the underwater portion of the hull, typically below the waterline. When punctured, they often release a foul-smelling, vinegar-like liquid, which is a sign of water intrusion into the fiberglass laminate. If you notice these blisters during a haul-out or hull inspection, it is important to have a professional evaluate the severity before the damage spreads further into the laminate.

Repair time depends heavily on the scope of work. Small gelcoat chips or scratches can sometimes be completed in a single day, while structural crack repairs typically require 2–3 days to allow resins to fully cure. Osmotic blister repair is the most time-intensive, often requiring the hull to dry out for days or weeks before epoxy barrier coats can be applied. Your contractor will provide a timeline after assessing the damage.

In most cases, professional fiberglass and gelcoat repair is worth the investment, especially if the damage is cosmetic or limited in scope. A well-repaired hull can significantly increase the resale value of a boat — often by more than the cost of the repair itself. For extensive structural damage on an older vessel, a professional assessment will help you weigh repair costs against the boat's current market value.

DIY gelcoat touch-up kits are available for very minor surface scratches, but professional results require specialized skills, tools, and materials. Improper repairs can trap moisture, lead to delamination, or result in obvious color mismatches. For any structural damage, osmotic blisters, or repairs larger than a few inches, hiring a qualified marine fiberglass technician is strongly recommended to ensure a lasting, watertight fix.

Gelcoat is the thin, pigmented outer layer of a fiberglass boat that provides color, gloss, and UV protection. Gelcoat repair involves restoring this surface layer through filling, fairing, and refinishing. Fiberglass repair goes deeper — it involves rebuilding the structural laminate beneath the gelcoat using fiberglass cloth and epoxy or polyester resin. Many repairs require both: structural fiberglass work followed by a gelcoat finish coat.

The best way to find a trusted local fiberglass repair professional is through a marine-specific marketplace like Boatwork.co, where contractors are vetted and reviewed by other boat owners. You can post your project, receive competing quotes, and review technician profiles and past work — all in one place. Always ask for references or photos of completed repairs before committing to a contractor.

It depends on where the damage is located. Topsides repairs above the waterline can often be performed while the boat is in the water or on a trailer. Any work on the underwater hull — including osmotic blister repair, keel joint repairs, or below-waterline cracks — requires the vessel to be hauled out of the water. Haul-out and storage fees at a boatyard are typically separate from the contractor's labor costs.

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