I don't know for a fact but based on my research to find the best wax for an RV and car in a high UV area, I would say yes. However it's only been 2 months since I applied it. So, time will tell although I feel confident there's isn't anything better out there based on it's ingredients and a company which is reputable and stands behind it's products.

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Meguiar's M6332 Flagship Premium Marine Wax - 32 oz.

Meguiar's M6332 Flagship Premium Marine Wax - 32 oz.

Q: Will a 16 oz bottle cover a 20’ boat?

Yes, when using the recommended very thin coat. You can easily do the boat 2-3 times if not more.

Q: Will it damage painted hull numbers or painted names on stern of boat?

I can't say for certain, I use mine on a fiberglass travel trailer (Scamp 13 footer), look it up online. It is made of the exact same molded fiberglass as a boat is, has a shine coat on it like a boat and has several labels and decals all over the camper, I slapped it right over the top and it was fine. I think it would be more of a problem if you ARE NOT waxing your boat every year as a protectant - but that would be a problem with any fiberglass product that you don't keep polished/waxed.

Q: I have a couple rub spots on my fiberglass boat from where PVC rubs against it on the dock. Will this product work to remove the dullness?

No, in my opinion & experience. I have a rub spot on my Z118 Ranger bass boat from the wood slip I used during a recent bass tournament. I used Meguiar's Flagship Premium Marine Wax to rub out the spot but it would not do it. I believe that you have, as I do, a blemishing of the gel-coat cover. This will require a repairing of the gel-coat. There are many videos on line that show how to do this. It is not difficult. Let me say that the Meguiar's Flagship Premium Marine Wax is a Class-A product and well worth using on your boat. I wash and then wax my Ranger with it after every on-lake session to keep it looking great, and it does

Product ID: 298862490

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Details

Brand
Meguiar's
Item Form
Liquid
Item Weight
2 Pounds
Net Quantity
1.00 count
Global Trade Identification Number
UPC
070382163327

💧Long-lasting water repellency

🕒Extended durability for season-long shine

🛥️Premium marine-grade protection

Frequently Bought Together

Meguiar's Flagship Premium Marine Wax, Boat Polish and Oxidation Remover - 32 Oz Bottle (Packaging May Vary)

Meguiar's M6732 Marine/RV One Step Compound, Remove Oxidation, Stains, Scratches, and Water Spots, Restore The Color and Shine of Fiberglass Gel Coat Finishes, 32 Oz Bottle

Meguiar's Marine/RV M4516 High Gloss Polish - Professional Grade Boat and RV Polish for a Sleek, High-Shine Finish for Fiberglass & Gel Coat - 16 Oz (Packaging May Vary)

Description

🛥️ Elevate your boat’s shine to flagship status — because your vessel deserves the best!

HYDROPHOBIC POWER - Repels water and prevents salt buildup, keeping your boat gleaming and corrosion-free.
EFFORTLESS APPLICATION - Smooth, easy-to-apply formula saves you time so you can get back on the water faster.
SEASON LONG DURABILITY - Enjoy a deep, glossy finish that lasts through sun, salt, and spray without frequent reapplication.
ULTIMATE MARINE SHIELD - Protect your vessel with Meguiar's flagship wax designed specifically for harsh marine environments.
TRUSTED AMERICAN CRAFTSMANSHIP - Proudly made in the USA by Meguiar’s, the leader in premium vehicle care.

Meguiar's M6332 Flagship Premium Marine Wax is a 32 oz. high-performance marine wax engineered to provide superior protection and a brilliant shine for watercraft. Its hydrophobic formula repels water and salt, ensuring long-lasting durability and corrosion resistance. Made in the USA, this easy-to-apply wax is ideal for boat owners who demand premium care and season-long results.

Specifications

Manufacturer	Meguiars
Brand	Meguiar's
Product Dimensions	9.4 x 6.86 x 22.61 cm; 907.18 g
Item model number	M6332
Manufacturer Part Number	M6332
OEM Part Number	MEGM6332
Volume	473 Millilitres
Assembly Required	No
Manufacturer	Meguiars
Country of Origin	USA
Item Weight	907 g

Have a Question? See What Others Asked

Will a 16 oz bottle cover a 20’ boat?

Will it damage painted hull numbers or painted names on stern of boat?

I have a couple rub spots on my fiberglass boat from where PVC rubs against it on the dock. Will this product work to remove the dullness?

is the item durable?

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