Restoring the SHINE of your boat

Step 1: Initial Wash

A decontamination wash is essential to start correcting the gelcoat by scrubbing/washing the boat to remove old waxes and dirt to prepare the surface for restoration.

Step 2: Oxidation Removal

If the boat has heavy oxidation, it will be wet sanded as needed, particularly if it leaves a chalky residue at first touch. This will be followed by compounding to reveal the glossy gelcoat underneath.

Step 3: Polishing

Polishing will eliminate any scratches or swirls left from compounding and provide a protective layer.

Step 4: Protection

Once compounded and polished, GTHN will apply a coat of wax, polymer sealant or ceramic coating to protect the finish.

Step 5: Maintenance

Routine maintenance is essential for preserving the gelcoat. Regularly washing the boat and reapplying protective sealants will help keep it looking its best.

Mobile Interior Cleaning St Catherines

Mobile interior cleaning in St. Catharines is professional cabin detailing brought directly to your boat, whether it sits at a local marina, your dock, or storage facility. For boat owners across the Golden Horseshoe, keeping the inside of a vessel in top condition is just as important as protecting the hull-yet it is often the first thing to slip when life gets busy.

You know the feeling: the cabin smells a little stale. Upholstery shows salt spray residue. The galley surfaces are dull. You think about tackling it yourself, but hauling cleaning supplies to the boat, spending a weekend on your hands and knees in tight spaces, and hoping you do not damage anything valuable is not appealing. That is where GTHN Boat Polishing steps in. We handle interior detailing the way boat owners need it-at your location, on your schedule, with the expertise to clean without causing harm to marine fabrics, wood, and finishes.

Why St. Catharines Boat Owners Choose Professional Interior Cleaning

St. Catharines sits at the heart of boating country, with deep water access, thriving marinas, and a community of serious vessel owners who understand that maintenance protects their investment. The climate here-lake-effect moisture, seasonal temperature swings, and salt air from Niagara waters-creates specific challenges for boat interiors. Humidity encourages mildew. Salt spray finds its way inside. Upholstery and wood absorb odors and deteriorate faster than they would in a drier climate.

When you leave your boat untended between seasons or use it frequently without deep interior attention, these problems compound. Professional interior cleaning in St. Catharines is not a luxury; it is preventive care. GTHN Boat Polishing uses marine-grade cleaning products and techniques designed for the materials inside your cabin-nothing harsh enough to damage upholstery, wood varnish, or galley surfaces, but strong enough to remove salt buildup, mildew spores, and stubborn stains. Because our team works on-site at your location, we see the boat in its real condition and address problems before they become costly.

What Interior Cleaning Includes and How It Protects Your Boat

Professional interior detailing covers far more ground than a quick vacuum and wipe-down. GTHN Boat Polishing tackles the cabin systematically: we clean and condition upholstery to restore color and repel moisture, sanitize galley surfaces and appliances, detail cabinetry and wood trim, remove mildew and odors from corners and vents, and restore clarity to cabin windows and acrylic ports. The work extends to storage lockers, under cushions, and tight spaces where salt residue and organic growth hide.

Each interior cleaning session is tailored to your boat's size, materials, and condition. A sailboat cabin with teak joinery requires different care than a powerboat with modern composite surfaces. Our team assesses what your vessel needs and works accordingly. By removing salt spray residue, mold spores, and trapped moisture, we do more than make the cabin pleasant to be in-we actively slow deterioration of upholstery, wood, and electronics. A well-maintained interior holds its value and keeps resale appeal high.

For boat owners in St. Catharines and across Hamilton, Burlington, Niagara, and the Greater Toronto Area, scheduling interior cleaning as part of seasonal or regular maintenance means your boat stays ahead of damage rather than always playing catch-up. GTHN Boat Polishing brings this service directly to your dock or marina, so there is no need to transport your boat or arrange trailering.

If your boat's cabin needs attention and you want the work done right without the hassle of managing it yourself, reach out to GTHN Boat Polishing. We work across St. Catharines and the surrounding region, and we are happy to discuss what your vessel needs and how we can help restore and protect your investment.