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 – UV-Resistant Marine Gelcoat for Interior & Exterior Use – Pint Kit with 15cc MEKP Hardener

Product ID: 62376404

Details

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

⏳20-25 min workable pot life

🎨Custom color tinting compatible

🛥️UV-resistant marine-grade gelcoat

QAR 190

Duties & taxes included

In stock

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Description

🛠️ Elevate your marine projects with pro-grade gelcoat that lasts and dazzles!

OPTIMIZED COVERAGE - Pint kit covers up to 12.5 sq ft, ideal for precise cosmetic repairs and touch-ups.
WAX ENHANCED FINISH - Includes wax for a tack-free cure, perfect for final coats on exterior and interior fiberglass surfaces.
CUSTOM COLOR MATCHING - Easily tint with compatible pigments for seamless repairs or personalized finishes.
VERSATILE APPLICATION - Brush, roller, or spray on a thick, non-sag formula that sands and polishes to a high-gloss shine.
MARINE GRADE DURABILITY - Formulated to withstand harsh UV exposure and marine environments for long-lasting protection.

Fiberglass Supply Depot White Gelcoat with Wax is a professional-grade, UV-resistant polyester gelcoat designed for marine and composite surfaces. It offers durable protection, customizable color tinting, and easy application via brush, roller, or spray. The included MEKP hardener ensures a smooth, high-gloss finish with a workable pot life of 20-25 minutes, making it perfect for cosmetic repairs and final coats on boats, RVs, and other fiberglass projects.

Specifications

ASIN	B07571BGWH
ASIN	B07571BGWH
Best Sellers Rank	#36,886 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #30 in Boat Painting Supplies
Brand Name	Fiberglass Supply Depot
Customer Reviews	4.6 4.6 out of 5 stars (642)
Date First Available	August 29, 2017
Global Trade Identification Number	00819794020114
Item Form	Liquid
Item Weight	0.76 kg
Manufacturer	Fiberglass Supply Depot Inc.
Manufacturer	Fiberglass Supply Depot Inc.
Number of Items	1
Package Dimensions	6.73 x 4.29 x 4.29 inches; 1.68 pounds
Package Size Name	Pint
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	16 Fluid Ounces

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