FAQ: Can I Use Car Wax On My Fiberglass Boat?

What kind of wax do you use on a fiberglass boat?

Runner-Up, Best Overall: Scotchgard Marine Protective Liquid Wax. Safe for use on gel coat, fiberglass, and topside paints, Scotchgard Marine Protective Liquid Wax is built to withstand the harsh conditions of life at sea.

Can you use regular car wax on a boat?

Boat wax is specifically formulated to work with gelcoat in tough marine environments. Car wax doesn’t provide the same level of UV protection either. You can apply car wax to a boat, but it doesn’t last as long nor does it offer as much protection as boat wax, and requires more frequent re-application.

Can I use car polish on fiberglass boat?

You want to use the appropreate product for the material you will be polishing. Marine polish is made to polish fiberglass. If your boat is painted then you would not use the marine products on paint, but car products made for paint is OK if it is painted.

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Can you wax a fiberglass boat?

Waxing is not a step you want to ignore, unless you want the gelcoat exposed to sun and water damage, and other gelcoat killers. Application instructions vary depending on which product you select, but the same technique used for applying the polish or rubbing compound can be used to wax your fiberglass boat.

What is the best wax to use on fiberglass?

Taking the top spot as the best RV wax for fiberglass surfaces is the Meguiar’s M6332 Premium Wax for its excellent water-repelling abilities and good looking shine. Our value pick is the TR Industries Gel-Gloss Wash and Wax.

What type of wax should I use on my boat?

If you want to get the most possible life out of this waxing, we recommend two products: PolyShine and LifeWax. When using these two in combination, you should expect the protection to last a good three years with moderate boating use.

Can you use Carnuba wax on a boat?

Any car wax product as a rule can be used on your boat so long as there is no degree of oxidation. Wax products are made using natural wax ingredients like carnauba. As a rule, if your boat is stored outside it will need either a cleaner wax or a dedicated polish first. Gelcoat is a very tough and durable material.

Can you use meguiars ceramic wax on fiberglass?

Thanks. Answer: Yes, it can absolutely be used on gel coat or fiberglass surfaces. Meguiar’s Inc.

How long does wax last on a boat?

If gelcoat is not protected with a proper Wax or a Buff and Wax at minimum every 3-4 months with wax or sealants, it will break down from oxidation and the sun! When your boat was made in the manufacture, they all used different gelcoat, types, and thickness.

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Can you use car wash soap on a fiberglass boat?

Clean the Outside of the Boat But car wash soap can work in a pinch. Whatever soap you use, make sure it won’t remove the boat’s wax. While you wash, clean in small sections. This is because you’ll need to rinse the soap off before it dries.

Can I use car polish on gelcoat?

But here’s the fact – gel coat is porous. Any oxidation on a gel coat surface will be pushed down into the pores by a polish or a wax and the shine will only last a few months. The oxidation must be removed before any polishing takes place or you’re just wasting your time.

Should you wax a boat hull?

Waxing your boat’s hull is among the most important maintenance items you’ll be tasked with as a boat owner. Wax protects against corrosion and chemical breakdown from salt, as well as against barnacles and other organic buildups that can cling to the hull below the surface of the water.

How do you refinish a fiberglass boat?


  1. Clean the boat thoroughly. You should be doing this every time you’ve taken the boat out.
  2. Remove all hardware. To ensure a smooth and clean paint job, you’ll want to remove as much as you can.
  3. Use a solvent to remove the wax coating.
  4. Repair the boat’s surface.
  5. Sand the boat.

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