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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TotalBoat 5:1 Marine Epoxy Resin Kit for Bonding, Filleting, Coating, and Laminating - Use for Fiberglass, Wood, Carbon Fiber, Boat Building, Repairs, Woodworking (Quart, Slow Hardener, Pumps)

TotalBoat 5:1 Marine Epoxy Resin Kit for Bonding, Filleting, Coating, and Laminating - Use for Fiberglass, Wood, Carbon Fiber, Boat Building, Repairs, Woodworking (Quart, Slow Hardener, Pumps)

Product ID: 7048187

Details

Brand
TotalBoat
Item Form
Liquid
Material
Epoxy Resin
Specific Uses For Product
Repair

⚓7500 PSI tensile strength

🕒20 min pot life (slow hardener)

🧪5:1 precise resin-to-hardener ratio

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$165.33

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Sold byAmazon British Virgin IslandsDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚓ Build stronger, last longer—epoxy that means business.

ALL IN ONE REPAIR KIT - Includes resin, hardener, and mixing tools—ready to tackle boat building, woodworking, RV repairs, and more.
EXTENDED WORKING TIME - Slow hardener option offers a generous 20-minute pot life, ideal for complex projects and warm climates.
PRECISION MIXING PUMPS - Color-coded pumps guarantee a flawless 5:1 resin-to-hardener ratio every time—no guesswork, no waste.
VERSATILE APPLICATION MASTERY - Perfect viscosity and self-leveling formula for seamless fiberglass wet-out, bonding, coating, and laminating.
UNMATCHED MARINE GRADE STRENGTH - Engineered for 7500 PSI tensile strength to withstand the harshest marine environments.

TotalBoat 5:1 Marine Epoxy Resin Kit delivers professional-grade bonding, coating, and laminating with 7500 PSI tensile strength. Featuring precise color-coded pumps for an exact 5:1 mix ratio and a self-leveling formula ideal for fiberglass and composite materials, this kit offers slow and fast hardener options to suit any project timeline. Waterproof, chemical-resistant, and compatible with fillers, it’s the ultimate all-in-one solution for boat building, repairs, woodworking, and industrial composites.

Specifications

ASIN	B00HR8517A
Best Sellers Rank	#5,056 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #5 in Boat Painting Supplies
Brand Name	TotalBoat
Color	Clear (cures to amber)
Compatible Material	Concrete, Fiberglass, Glass, Masonry, Metal, Stone, Wood
Container Type	Bottle
Customer Reviews	4.5 4.5 out of 5 stars (1,773)
Full Cure Time	7 Days
Global Trade Identification Number	00811932021014
Included Components	Resin, Hardener
Item Form	Liquid
Item Package Quantity	1
Item Weight	6 Pounds
Manufacturer	TotalBoat
Material Type	Epoxy Resin
Model	365646
Other Special Features of the Product	Self-leveling properties, ideal viscosity for fiberglass cloth, compatibility with various reinforcement fabrics, bare metals, and lead, includes precise mixing pumps, available in different kit sizes
Part Number	365248
Specific Uses For Product	Repair, Fiberglass projects
Tensile Strength	7500 Pounds Per Square Inch
UPC	811932021014
Unit Count	36.0 Fluid Ounces
Viscosity Level	Medium to High
Volume	946.35 Milliliters
Water Resistance Level	Waterproof

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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