The easiest way to make your boat wax last longer is to add PolyCeramic, Sea-Shield's ceramic and polymer additive, into your Exhaust Guard synthetic wax before applying it. A few drops mixed in turns a standard wax into what Sea-Shield calls a super wax, adding gloss, durability, and easier application, all without switching products entirely.
Sea-Shield PolyCeramic 100 ML — the additive that turns standard wax into a super wax.
What Is PolyCeramic and Why Does It Change How Wax Performs?
PolyCeramic is Sea-Shield's newer additive product. It infuses a polymer directly into a ceramic formula, and the result works as a booster rather than a standalone coating. Mixed into wax, it strengthens the protective layer, adds shine, and makes the product superhydrophobic, meaning water beads and rolls off the surface instead of sitting and spotting.
The product works as an additive for Sea-Shield's Ceramic Coating lines, Exhaust Guard synthetic wax, and even Final Polish. That range is what makes it useful for boat owners who already have a wax or coating routine and just want it to last longer, rather than replacing what they use.
Why Regular Wax Wears Down Faster Than You'd Expect
Traditional wax sits on top of the surface rather than bonding to it. Sun exposure, saltwater, and regular washing break that layer down steadily, which is why most waxes need reapplying every few weeks on a boat that's actually used.
Sea-Shield built Exhaust Guard as a synthetic wax with stronger resistance built in, designed originally to stop exhaust residue and black streaks from sticking to the hull. It already outperforms a basic wax on its own. Adding PolyCeramic pushes that durability further by infusing the same polymer and ceramic properties used in Sea-Shield's ceramic coatings directly into the wax layer.
Sea-Shield Cleaner Wax — a foundation layer that pairs well with PolyCeramic for extended durability.
How to Turn Your Wax Into a Super Wax with PolyCeramic
This is the core technique from Sea-Shield's own demonstration. Mixing PolyCeramic into Exhaust Guard synthetic wax creates a combination that lasts longer, looks glossier, and goes on easier than either product alone.
How it works in practice:
Apply your usual amount of Exhaust Guard synthetic wax to your applicator
Add a few drops of PolyCeramic directly into the same application
Apply to the surface the same way you normally would
Wipe off once it hazes, just like a standard wax step
The two products work together as companions rather than competing formulas. The PolyCeramic doesn't change your process. It strengthens the result.
Does PolyCeramic Work with Ceramic Coating Too?
Yes, and this is where it becomes useful beyond just wax. PolyCeramic also works as an additive for Sea-Shield's Crew and Professional ceramic coating lines. Mixed into either one, it helps the coating stretch further, meaning one bottle covers more surface area than it would alone.
For boat owners applying their own coating rather than hiring a professional detailer, combining Crew ceramic coating with PolyCeramic is a strong middle-ground option. It adds the extra durability and gloss of the additive without needing the harder-to-apply Professional formula. For those already comfortable applying Professional, adding PolyCeramic to that combination pushes the result even further.
Sea-Shield Crew Ceramic Coating — pairs perfectly with PolyCeramic for DIY-level ceramic protection.
When Should You Use Plain Wax vs. the PolyCeramic Combination?
Plain Exhaust Guard wax still has its place, especially for a quick maintenance pass between more thorough details. But if you're doing a full protection application and want it to actually hold up against sun, salt, and regular washing, adding PolyCeramic is worth the extra step.
A quick way to decide:
Routine touch-up between washes: plain Exhaust Guard wax is enough
Full protection application: Exhaust Guard with PolyCeramic added
DIY ceramic coating: Crew with PolyCeramic
Professional-level application: Professional with PolyCeramic
Sea-Shield Crew 500 ML — ideal for full protection applications combined with PolyCeramic.
Watch It in Action
Sea-Shield walks through exactly how PolyCeramic works as an additive, how it transforms Exhaust Guard synthetic wax into a super wax, and how it boosts both Crew and Professional ceramic coatings for better coverage and durability.
Frequently Asked Questions
Can PolyCeramic be used on its own without wax or ceramic coating?
No. PolyCeramic is designed to work as an additive, boosting Exhaust Guard synthetic wax, Ceramic Coating, or Final Polish rather than functioning as a standalone protectant.
What size does PolyCeramic come in?
PolyCeramic is available in 100 milliliter bottles, along with smaller and larger sizes for different application needs.
Does adding PolyCeramic make wax harder to apply?
No, the opposite. Sea-Shield's own demonstration shows the combination actually becomes easier to apply while lasting longer than wax alone.
Is PolyCeramic better paired with Crew or Professional ceramic coating?
Both work well. Crew with PolyCeramic suits do-it-yourselfers looking for an easier application with added durability. Professional with PolyCeramic suits those already comfortable applying the stronger, longer-lasting formula.
How does PolyCeramic help the coating cover more area?
It improves how the coating stretches during application, so a bottle of Crew or Professional ceramic coating covers more surface area once PolyCeramic is mixed in, compared to using the coating alone.
Sea-Shield offers aftercare products, buffing pads, compound, polish, synthetic wax, and ceramic coating products, as well as application services in conjunction with our advanced surface restoration training for the mega-yacht and boating industry. Your first port of call for boat protection. Francisco and the team put skill, time and effort into every job – they are passionate about providing a truly first-class service; so you know your vessel will be handled with the utmost care and precision. Our years serving in international marine crews go hand in hand with Sea-Shield's Trademarked range of Professional Ceramic surface treatments. When properly applied, these will restore your vessel's original paint to like-new – affording owners both protection and peace of mind.
Nano-Technology: Sea-Shield's product range uses state-of-the-art Ceramic Coating based on Nanotechnology and includes effective treatments for glass, metal, paint, plastic, gelcoat and other surfaces. These will provide your boat with a super-durable and effective protective layer in the most adverse marine conditions.
Global business: Through our global partnerships, Sea-Shield has become the provider of choice for discerning mega yacht owners and professional crew members all over the world – giving us the gold-seal endorsement of thousands of satisfied customers.
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still need more bite than the Sea Shield Yellow Wool Pad provides. Additionally the White Wool Pad can be used as a finishing pad in lieu of the Yellow Pad providing better clarity on certain types of gelcoat and paint
Boat Ceramic Coating: Step-by-Step Guide Using Sea-Shield Products
A boat needs the right care to stay in good shape. Salt wears it down. The sun does too. Water spots form. Surfaces fade. A ceramic coating helps with all of this. It acts as a barrier between your boat and the elements.
Sea-Shield makes products for marine surfaces. They protect against oxidation and UV rays. They help prevent water spots and stains. The coating lasts, the gloss holds up, and maintenance gets easier.
This guide walks through applying ceramic coating using Sea-Shield products. Each step matters. Follow them in order and you'll get protection that lasts.
Step 1: Wash and Decontaminate
You need a clean surface. Really clean. Salt sits on the surface after every trip. Dirt builds up. Old wax leaves residues. All of it has to go before you coat anything.
Use Sea-Shield Boat Soap for this. It works on gelcoat, paint, metal, and plastic. The formula is hyper-concentrated and creates volumes of suds that rinse away in seconds without leaving a film. It won't strip even the most delicate waxes and instantly restores the high gloss shine. Pour a quarter-sized drop into a 5-gallon bucket and fill with 3-4 gallons of water.
Water spots show up on boats. Minerals from hard water or salt leave marks. If you see them, use Sea-Shield Rust Stain Remover. It dissolves calcium deposits, salt, and other contaminants. The unique spray-gel formula allows working on vertical surfaces and hard-to-reach areas easily. Spray the product directly on the surface, let it work for 1-5 minutes, then rinse with fresh water. Do this before you polish. Otherwise, you'll just polish over the spots.
Step 2: Surface Correction and Polishing
Your surface might look clean now, but it's not ready yet. Paint oxidizes. Gelcoat gets dull. Swirl marks form from washing over time. A coating won't hide these problems. It will seal them in.
Polish first. Sea-Shield uses a three-step compound and polish system for optimal results. The level of correction depends on your boat's condition.
For heavy oxidation and scratches, start with Sea-Shield Heavy Cut #1. This compound removes heavy oxidation, moderate scratches, heavy chalk residues, and even 1000-grit sandpaper marks from both painted and gel coat surfaces. Best results are achieved using a circular polisher (1200-1800 RPM) equipped with a compound wool buffing pad #1. Work in areas no larger than 3'x5', moving the machine slowly back and forth while keeping the pad flat on the surface.
Next, use Sea-Shield Cut and Polish #2. This product removes 1500 grit sandpaper haze, light scratches, light oxidation, and chalk from both paint and gel coat. It also removes heavy compound marks left from the first step. The formula is very lubricated, which prevents burning the surface. Apply using a circular polisher (1200-1800 RPM) with a compound wool buffing pad #2.
For the final polish, use Sea-Shield Swirl Remover #3. This polish removes light oxidation, fine scratches, light chalk, and swirl marks while bringing back the ultimate luster. The extremely lubricated formula completely erases swirl marks and creates a swirl-free finish. Use a circular polisher (1200-1800 RPM) equipped with a Sea-Shield polishing buffing pad #3.
Note: If your boat is newer or has only light oxidation, you can skip Heavy Cut #1 and start with Cut and Polish #2, or even just use Swirl Remover #3.
After polishing, the surface must be completely clean before coating. Use Sea-Shield Prep Spray for this. This integral step removes polishing oils left behind from compounding and polishing. The proprietary primer agent increases the integrity of the molecular bond that occurs when applying a ceramic coating, with no residual film left behind. Prep Spray also works well as a glass and stainless cleaner.
Step 3: Applying the Ceramic Coating
Now you coat. This is the main protection layer. Sea-Shield offers two professional-grade ceramic coating options.
Sea-Shield Crew is a professional, yacht-quality marine clear coat designed for DIY applications and crew use. Available in 50 ml, 100 ml, and 500 ml sizes, Crew provides long-lasting protection that can last 1-2 years or more with regular care and washing. It protects against UV radiation, rust, oxidation, and environmental pollutants.
Sea-Shield Professional is designed specifically for professionals looking to have the best protection. Available in 15 ml, 50 ml, and 500 ml sizes, Professional provides exceptional protection against rust, fading, and degeneration. The coating uses advanced ceramic nanotechnology to produce outstanding results.
Both coatings can be applied to a variety of surfaces, including paint, gelcoat, fibreglass, aluminium, and metal.
Application Instructions:
The application area should be well-ventilated with good lighting. Avoid direct sun or hot surfaces when applying. Hot surfaces cause the coating to flash too fast and you won't level it properly. Work in shade or when the surface is cool.
Apply the coating when the surface is completely dry, working on small sections at a time. Wrap a microfiber suede around an applicator block. Drip the product along the length of the applicator block. Apply in a cross-hatch pattern—horizontal and vertical strokes—for even coverage.
Let the coating flash. Flash time depends on temperature. In warm weather (over 70°F), buff off the coating in about 15 seconds. In cooler weather, you can wait up to 2 minutes before buffing. Use one microfiber towel to wipe away extra coating, then use a second towel to polish the surface until it has a clean, glossy shine. Be sure to remove all excess product, as any spots you miss might leave streaks or an uneven finish.
Use a different side of the applicator as it hardens or if it gets dirty. Keep working in small areas to maintain even coverage.
Complete Kits Available: Sea-Shield offers ceramic coating kits that include the ceramic coating, prep spray, applicator blocks, and microfibre towels. These Starter, Intermediate, and Advanced packs provide everything needed for application.
Step 4: Curing and Initial Care
Curing takes time. You can't rush it. The coating needs to harden and reach full strength before it can do its job.
The surface should be kept dry for at least one hour. The coating is dry to touch in about 1 hour. The product is waterproof and will fully cure and harden after 48 hours. For maximum hardness, allow up to 5 days.
Keep the boat dry during the curing period. No washing. No rain if you can help it. Water exposure during curing weakens the bond. If light dust lands on the surface, wipe it off with a soft microfibre towel. Be gentle.
For extra protection, you can apply a second layer of ceramic coating after waiting for at least one hour between coats.
Once the coating cures, the surface changes. It becomes slick. The gloss deepens. Salt doesn't build up as fast. Stains don't stick. Oxidation slows down. You'll notice the difference when you touch it.
Step 5: Maintenance and Regular Care
A coating isn't permanent. It lasts a long time, but it needs care. Regular maintenance keeps it working and looking good.
Use Sea-Shield Boat Soap for washing. It's gentle enough that it won't remove wax or strip the ceramic coating. The biodegradable formula safely cleans all surfaces including paint, gelcoat, glass, and plastic. For coated surfaces or for refreshing Sea-Shield coatings, add 4 ounces of Sea-Shield Nano Fresh to a 5-gallon bucket.
After washing, you can boost the coating. Sea-Shield Final Shield works for this. Final Shield is a ceramic spray top coat that's the most versatile and easy-to-use protection you can apply. The silica resin formula creates a wet and shiny finish on almost all surfaces, including paint, gelcoat, metals, vinyl, leather, black trim, and acrylic. Spray the product on a microfibre applicator (not directly on the surface), apply a very thin coat, and wipe thoroughly until only a light film remains.
Sea-Shield PolyCeramic 100 ML — the additive that turns standard wax into a super wax.
Sea-Shield Cleaner Wax — a foundation layer that pairs well with PolyCeramic for extended durability.
Sea-Shield Crew Ceramic Coating — pairs perfectly with PolyCeramic for DIY-level ceramic protection.
Sea-Shield Crew 500 ML — ideal for full protection applications combined with PolyCeramic.
