How to Restore a Boat Step by Step

The right tool for this job

Polish & Restore Kit

Restore dull gelcoat with rubbing compound, polishing compound, marine polish and microfiber applicators in one kit. Built for faded, chalky fiberglass affected by sun, salt and age.

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Boat restoration means inspecting a boat, listing every repair it needs, fixing structure and safety first, and saving cosmetic work for last. For most owners it takes more time and money than expected, so a clear plan, a realistic budget and a firm priority list matter more than any single tool or product.

If you are reading this, you probably have a boat, and you know a boat is a labor of love (or love/hate, depending on the day). The love of being on the water outweighs the hard work needed to keep a boat in good shape. Boat owners do not mind spending hours fiddling with the engine, finding the source of a water leak, perfecting dock lines or rearranging tight storage.

Restoring a boat is all of this and more. Many hours go into the boat before there is any chance to enjoy it on the water. The steps below cover how to size up a project, decide if it is worth it, set up a workspace, build a priority list and a calendar, and find the right guide for each sub task.

Is It Worth Restoring a Boat?

It can be, but only when the boat is basically sound. A hull with solid structure, a healthy engine and cosmetic wear is a good candidate. A boat with major structural, engine or electrical problems can cost more to fix than it is worth when finished.

Age alone is not the deciding factor, so a 25 year old boat can still be a good project. What matters is the condition of the hull, the deck core, the engine and the wiring. Before committing, compare the total estimated cost of parts, materials and any professional work against what a similar boat in good shape sells for. If the numbers are close, a ready-to-go boat is often the better buy.

Cost depends on the size of the boat, how much work is hired out and how deep the damage goes. Get written quotes for any professional work, and price the materials for the jobs you plan to do yourself before you buy the boat. If you are still shopping, the first boat on a budget series and the motor questions guide help you judge a boat before you buy.

How Hard Is It to Restore a Boat?

Cosmetic restoration, such as cleaning, compounding faded gelcoat, refreshing vinyl and caring for teak, is well within reach for most do-it-yourselfers with basic tools and patience. Structural work is harder. Rotted wood, soft spots in the fiberglass, a saturated foam core, engine rebuilds and electrical work take specialized skills and often a professional survey.

For cosmetic projects within an owner's abilities, time and project management are often the biggest challenges. A good workspace, a priority list and a realistic calendar keep the project from running for years.

Step 1. Set Up a Proper Workspace

A workspace can make or break a project. Consider a Maine couple who bought a 1970s Hunter 27 sailboat on a spur-of-the-moment Craigslist deal. The previous owner had landed a job overseas and needed to sell fast, with winter storage already paid for. The boat was cheap enough to leave room for some TLC and personal touches.

What they did not consider was that the boat sat in an outdoor boatyard an hour's drive away, which meant two hours of driving every time they wanted to work on it. That hurt their ability to get work done before snowfall, and in Maine it was not long before the boat had to be tarped, winterized and left for the season.

When the snow melted, the workspace was still far from ideal. An outdoor yard far from home meant limited access to outlets, painting delayed by rain or humidity, no friends nearby to lend a hand and many trips back to the boat for forgotten wallets and cell phones.

Without a private workspace, work was limited to certain hours, and belongings could not be left unattended. Every visit meant hauling everything down from the cabin and setting it up again. The lesson is to plan the workspace before the work begins. If you are restoring a boat yourself, here are the key elements of a proper workspace and the tools you will need.

Space Requirements

• Look for an affordable workspace close to home so you can spend spare hours getting work done.
• Coverage is paramount. If possible, keep the boat in a covered, well ventilated space such as a garage or covered bay so you can work in any weather. Sanding, painting and chemical products still need good airflow, and each product label and manufacturer sets its own temperature and humidity limits, so follow them.
• Have good access to a power source at each end of the boat for power tools.
• Good access to water is a must.
• Make sure there is enough lighting to work into the later hours of the day.

Must-Have Tools

• A sturdy ladder. Choose one tall enough for the job with a load rating that covers you and your tools. Set it on firm, level ground and follow the ladder manufacturer's safety instructions every time.
• Flexible Self-Coiling Hose. It is much easier to coil up and carry around the boat than a traditional hose. When the boat is ready to hit the water, it also folds up neatly for the trip to the marina.
• Safety gear. Stock up on disposable gloves and ANSI impact-rated safety goggles, and have respiratory protection ready for dust, chemical cleaners and paints. The right respirator depends on the job. Follow the ventilation and NIOSH-approved respiratory protection called for on each product label and safety data sheet, including the correct particulate filter or vapor cartridge and any required fit testing. A dust mask or particulate filter does not protect against many paint, solvent and cleaner vapors. If adequate ventilation and protection cannot be arranged, hire a professional for that job. Running out of gloves or paintbrushes mid-job means a trip to the store, so stockpile these essentials before starting.

Step 2. Inspect the Boat and Make a Master List of Fixes

Inspect the boat and make a master list of everything that needs to be fixed. That means everything. But first, talk to the seller.

Talk to the Boat's Seller

Beyond assessing the boat yourself, take time to discuss issues and general history with the owner. Do this before closing the sale to get valuable details that help you judge how much work the boat needs. Here are some basic questions to ask.

• How did the previous owners treat the boat?
• Where and how has the boat been stored?
• Has there been any accident or damage?
• What previous repairs have been made?
• How often is it used?
• What type of maintenance has been done, and are there records showing it was regular throughout ownership?

Restoring a boat is a huge undertaking, so make sure you know what you are getting into. In the Hunter 27 example, the teak was in dismal shape. It had been poorly cared for and looked unfinished. The engine, on the other hand, had been well cared for and ran very well, which was a big win.

Do not rely on a seller's word or job title when it comes to the engine. Ask for service records, watch how it starts cold, and consider a compression or diagnostic test. A qualified marine technician can tell you far more than an assumption can.

At this point, it is important to know your limits and your budget. If the hull needs serious repairs, that is a huge project that will consume most of your time. If the engine needs significant work or replacement, it can end up costing more than the boat. When you immediately see repairs you do not have the skills, time or money for, it may be a boat to walk away from.

Here are some common major repair issues.

• Rot, moisture intrusion and deteriorated wood or core, which are especially worth watching for in older wooden boats
• Engine problems
• Electrical systems
• Soft spots in the fiberglass
• Saturated foam core

Mildew stains on cushions, canvas and interior surfaces are a separate, cosmetic item. Note them on the list, but keep in mind that a stain remover only treats the surface and does not fix any moisture damage underneath.

For hull damage, the boat hull repair guide explains how to judge and fix common problems.

Inspect the Entire Boat

After gathering the previous owner's knowledge of the boat's condition, scan the whole boat section by section.

What needs to be addressed immediately? What must be done within the next year? What details would make this your dream boat? Write everything down, regardless of urgency, in one big master list.

Get a Second Opinion

If you are not confident in judging repairs in any area of the boat, especially electrical and engine, get a second opinion. A boat's condition is your number one consideration, and safety on the water depends on it.

Talk to other boaters in your area and to staff at local marine supply stores, and describe the area of concern. You can get good leads on supplies and techniques, and it is also a way to get connected to local surveyors who will inspect areas of concern for you.

A survey may cost more than a DIYer would like to spend, but it is worth it to keep damage from worsening over time and causing more costly or dangerous problems.

Between the previous owner's records, your inspection and some professional surveying, your master list will come together and you can get to work.

Step 3. Organize the Master List by Prioritizing Tasks

This is a short task compared to the rest, but it earns its own step because it gets you on the water faster and keeps the project from becoming endless.

Look at the master to-do list and ask these questions.

• What work needs to be done to make this boat run safely?
• What work needs to be done to make this boat float?
• What is structural, cosmetic but vital, or purely aesthetic?
• What is nice to have done but not necessary?
• Does the work require specific temperatures or conditions to be done properly?

The answers sort the work ahead of you. Start organizing your to-do list from most urgent to least urgent.

Put safety above everything, and push dreamy projects like carpet replacement and cushion reupholstery toward the bottom of the list. Check what the US Coast Guard and your state require aboard before the boat goes back in the water. The Coast Guard requirements guide is a good starting point.

If you plan to live on the boat, your list may be prioritized differently. Refinishing interior woodwork would disrupt your living and storage space, which is a big deal for a liveaboard. For a cruising boat, spending a week on that project is not as much of a problem.

Step 4. Use Priorities to Set a Work Calendar

With tasks prioritized, set realistic dates to keep you motivated through the restoration.

Say it is October and you want the boat in the water by June. Schedule the must-do work so it is finished by June, and save the aesthetic work for the fall.

Clear goals make a big project feel less overwhelming and more achievable. They also leave time to live your life, so the boat does not become a resented project.

It is easy to plan on reupholstering every cockpit cushion over a July break, then decide after a few hours indoors that sailing sounds better. That is the reality sometimes. Once the boat feels like a chore instead of a love, the project is in trouble.

Know your limits so your boat can stay your love, not your project. Keep in mind why you got the boat in the first place, which is to enjoy time on the water. Prioritize so you do not end up lost in a five-year project that never sees the light of day.

Step 5. Get to Work

Once your priorities are in line, it is time to start. The sooner the work begins, the sooner the boat is on the water.

Better Boat pick

Boat Seat & Vinyl Restoration Kit

Take on tired boat vinyl with cleaner, protectant, mildew stain remover, and brushes in one focused kit.

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Complete necessary structural and safety work first. Cosmetic tasks like refinishing and polishing teak rails, installing a nice gimbal marine stove and reupholstering cushions can take a back seat. For teak, the teak care guide covers cleaning, brightening and sealing.

If a job does not need to be done before launch, save it for later. Cleaning and refreshing seats, for example, can wait until the boat is securely docked or back on land, and never while underway. Follow each product label, and keep cleaners and rinse water from running into the water. The vinyl seat cleaning guide shows how. For tired seats and cushions, the Boat Seat & Vinyl Restoration Kit includes vinyl cleaner, vinyl protectant, mildew stain remover and brushes for seats, cushions, bolsters and leaning posts. There will be plenty of rainy days, or windless days for sailors, when you can hunker down in the cabin and work.

Get out on the sunny days and start enjoying the boat as soon as possible.

Where to Go for Each Restoration Task

Once the master list is sorted, use this table to match each job to the right guide. Work generally runs from top to bottom.

Can Faded Gelcoat Be Restored?

Often, yes. Dull, chalky gelcoat caused by sun, salt and age can usually be brought back by cutting away the oxidized layer with a rubbing compound, refining the surface with a polishing compound, and finishing with a marine polish. Wash the boat first so dirt does not get ground into the surface.

Better Boat pick

Premium Boat Wash Soap Concentrate

Breaks down salt, grime, droppings, mud and deck dirt, then rinses clean. Concentrated formula stretches across repeated wash days and cleans hulls, decks and cushions.

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The Polish & Restore Kit packages the rubbing compound, polishing compound, marine polish and microfiber applicators in one set for faded, chalky fiberglass, so the correction, polishing and finishing steps are covered in a single purchase. If you only need the first step on heavy oxidation, the Marine Boat Rubbing Compound can be applied by hand or with a buffer and is designed to remove 600 and 800 grit wet sanding scratches.

Compounding has limits. If the gelcoat is cracked, gouged or worn through to the fiberglass, it needs repair or refinishing rather than polish. For step by step technique, see the polishing guide, and for damaged areas see the gel coat repair guide.

Frequently Asked Questions

How much does it cost to restore a boat?

It depends on the boat's size, its condition and how much work is hired out. Structural, engine and electrical repairs drive costs the most. Get written quotes for professional work and price materials for your own jobs before you commit.

Is it worth restoring a boat?

It is worth it when the hull, deck and engine are sound and the work is mostly cosmetic. If total repair costs approach what a similar boat in good shape sells for, buying a ready boat is usually smarter.

Is a 25 year old boat worth it?

It can be. Age matters less than the condition of the hull, deck core, engine and wiring. A professional survey is the best way to know.

How hard is it to restore a boat?

Cleaning, compounding gelcoat, refreshing vinyl and caring for teak are doable for most DIYers. Structural repairs, engine work and electrical systems are harder and may call for a professional.

Can faded gelcoat be restored?

Often, yes. Rubbing compound, polishing compound and marine polish can bring back dull, chalky gelcoat. Gelcoat that is cracked or worn through needs repair first.

How much does it cost to buff a 20 foot boat?

Shop rates vary by region and by how oxidized the gelcoat is, so ask local shops for a written quote. Doing it yourself with a compound and polish kit is an option for many owners.

Keep reading

A DIY Guide to Repairing a Boat HullBoat Deck Wood A Complete Restoration GuideRepairing Vinyl Seats Boat Your Complete Restoration Guide