Does this require that you cover it with plastic in order to cure it?

No, the wax “floats” to the surface and promotes curing. Gelcoat without wax needs to be covered with a thin film like PVA.

Can you put multiple coats on if you you need to build up an area?

You can but, if you use with wax you would have to sand in between every coat. The easiest way to do multiple coats is to use the no wax gelcoat and do your build up, then your last coat use the gelcoat with wax. This way you don't need to sand every coat.

I'm looking to refinish a cultured marble counter-top. Is this a hard surfaced coating that will hold up in a sink?

I would doubt that this would hold up in a sink application. Try the manufacturer.

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Fiberglass Supply Depot White Gelcoat with Wax - Pint with 15cc Hardener (MEKP)

Fiberglass Supply Depot White Gelcoat with Wax - Pint with 15cc Hardener (MEKP)

Product ID: 62376404

Details

Brand
Fiberglass
Item Form
Liquid
Item Weight
0.76 Kilograms
Recommended Uses For Product
Surface marine
Specific Uses For Product
Surface

⚡High strength with 5.5-6.5% tensile elongation

🎨Compatible with polyester resin pigments

🛡️Exceptional water & blister resistance

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Description

🛥️ Seal the deal with flawless finish—because your boat deserves the best!

CUSTOMIZABLE FINISH - Easily tintable with compatible pigments to match or enhance your boat’s aesthetic with professional results.
ALL IN ONE REPAIR KIT - Includes 15cc MEKP hardener, measuring cup, and catalyst chart for foolproof mixing and patching.
CRACK RESISTANT TOUGHNESS - Formulated with 5.5-6.5% elongation to prevent cracking and maintain structural integrity under stress.
PRECISION COVERAGE IN EVERY PINT - Covers up to 12.5 sq ft with high-viscosity formula for smooth, even application and minimal waste.
EFFORTLESS MARINE GRADE PROTECTION - White gelcoat with wax ensures durable, high-gloss surface defense against water and wear.

Fiberglass Supply Depot White Gelcoat with Wax is a premium exterior-grade NPG isophthalic gelcoat designed for marine surface protection and repair. This pint-sized kit includes a 15cc MEKP hardener, measuring tools, and a catalyst chart, delivering up to 12.5 square feet of high-viscosity, crack-resistant coverage. Its superior water and blister resistance combined with pigment compatibility make it the go-to choice for professional-grade boat maintenance and flawless finish restoration.

Specifications

ASIN	B07571BGWH
Best Sellers Rank	#61,523 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #54 in Boat Painting Supplies
Brand Name	Fiberglass Supply Depot
Customer Reviews	4.6 4.6 out of 5 stars (371)
Global Trade Identification Number	00819794020114
Item Form	Liquid
Item Weight	0.76 Kilograms
Manufacturer	HK Research Corporation
Number of Items	1
Part Number	4333814917
Recommended Uses For Product	Surface protection, marine maintenance, repairing gelcoat cracks and patches
Specific Uses For Product	Surface Protection, Maintenance
Unit Count	1.0 Count

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$81.54

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In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Desertcart purchases this item on your behalf and handles shipping, customs, and support to USA.

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TrustScore 4.5 | 7,300+ reviews

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