Is this polyester resin

No it is not polyester resin. It is epoxy with a 5 to 1 ratio, and cures extremely hard. Polyester should not be used on a repair below the water line. Epoxy will not allow water to absorb into the repaired area.

can I use this to fix lamination on my RV side walls

Worked great for me rebuilding the wall sandwich (fiberglass, thin ply, foam board,,,) after water delamination.

Can you do inside of bathtub with this?

Good Afternoon, this product cures to a high strength, water resistant finish, so using within a bathtub should be fine. Thank you.

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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TotalBoat 5:1 Epoxy Kit (Quart, Fast Hardener)

Product ID: 753709657

Details

Brand
TotalBoat
Item form
Liquid
Item package quantity
1
Material
Epoxy Resin
Special feature
Strong

⚓Marine-grade strength

🧪5:1 precise mixing ratio

⏱️Fast 12-min cure option

Description

⚓ Build stronger, faster, and smarter with TotalBoat 5:1 Epoxy Kit!

VERSATILE BONDING POWER - Bonds wood, steel, aluminum, fiberglass, carbon fiber, and more with superior strength.
CUSTOMIZABLE WITH FILLERS - Compatible with thickeners and additives for fairing, filleting, and gap filling.
FAST OR SLOW CURE OPTIONS - Choose 12-minute fast hardener or 20-minute slow hardener to fit your project timeline.
PRECISION 5 1 MIXING RATIO - Color-coded pumps ensure perfect resin-to-hardener balance every time.
UNMATCHED MARINE GRADE DURABILITY - Engineered to resist salt, moisture, and harsh weather for long-lasting repairs.

TotalBoat 5:1 Epoxy Kit is a professional-grade marine epoxy system designed for high-strength bonding, coating, and lamination. Featuring a precise 5:1 resin-to-hardener ratio with color-coded pumps, it offers fast (12 min) or slow (20 min) curing options. This versatile kit bonds a wide range of materials including wood, metals, fiberglass, and carbon fiber, and is compatible with fillers for custom applications. Engineered to withstand harsh marine environments, it delivers durable, sandable, and paintable repairs trusted by boaters and craftsmen alike.

Specifications

ASIN	B00HR8515W
Brand	TotalBoat
Compatible Material	Fibreglass
Container Type	Bottle
Customer Reviews	4.4 4.4 out of 5 stars (632)
Global Trade Identification Number	00811932020994
Item Form	Liquid
Item Package Quantity	1
Item Volume	946 Millilitres
Manufacturer	TotalBoat
Manufacturer Part Number	365246
Material	Epoxy Resin
Model Number	365246
Number of Pieces	1
Other Special Features of the Product	Strong
UPC	811932020994
Unit Count	1.0 count

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