Must polyurethane be completely stripped before application?

I doubt it as long as you have prepped the surface so that the exposure can bind to it. Basically it needs to be clean from grease/contamination and sanded to a rough or medium grit.

Is this product UV resistant?

I Used this normally excellent product on the backside of a small topside mailbox nameplate that was about 4” x 12. One side faced east which survived due to partial shade, but the west side which was more exposed to full sun ultimately peeled off.

Would this one or 206 work for plastic kayak hole repair?

I fixed a split in an Old Town canoe. The engineers at Gougeon Brothers recommended the G/Flex 655 kit. I followed the directions and it has worked great.

Can you use fiberglass mesh with this product i have to do the underside of an rv slide out

Yes, This epoxy works well with fiberglass.

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WEST System 105A Epoxy Resin (32 fl oz) Bundle with 207SA Special Clear Epoxy Hardener (10.6 fl oz) and 300 Mini Pumps Epoxy Metering 3-Pack Pump Set (3 Items)

WEST System 105A Epoxy Resin (32 fl oz) Bundle with 207SA Special Clear Epoxy Hardener (10.6 fl oz) and 300 Mini Pumps Epoxy Metering 3-Pack Pump Set (3 Items)

Product ID: 84286589

Details

Brand
West System
Color
Clear
Item Form
Liquid
Item Package Quantity
1
Material
Clear Epoxy

⏳20-26 min pot life at 72°F

💪7000 PSI tensile strength

🧪3:1 resin-to-hardener ratio

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€ 332.64

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Sold byAmazon CyprusDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

✨ Mix it right, shine bright, last forever! 💎

CRYSTAL CLEAR FINISH - 207SA Special Clear Hardener delivers a water-clear, blush-free, moisture-resistant finish that elevates your wood and fiberglass projects.
DURABLE DEPENDABLE - Marine-grade epoxy cures to a rock-hard surface with 7000 PSI tensile strength, built to withstand the elements and time.
PRECISION PERFECT MIX - Calibrated pumps ensure flawless 3:1 resin-to-hardener ratio every time—no guesswork, no waste.
ECO CONSCIOUS CRAFTING - No VOCs, high flash point, and no solvent odor make this epoxy bundle a safer, cleaner choice for your workspace.
USER FRIENDLY WORKFLOW - Low-viscosity resin wets out smoothly without fisheyes, rolls out thin, sands easily, and requires less prep for flawless coatings.

The WEST SYSTEM 105A Epoxy Resin Bundle pairs a 32 fl oz low-viscosity resin with a 10.6 fl oz 207SA Special Clear Hardener and calibrated mini pumps for precise 3:1 mixing. Designed for crystal-clear, durable coatings and bonding, it cures to a hard, moisture-resistant finish with 7000 PSI tensile strength. Ideal for marine, woodworking, and fiberglass projects, this eco-friendly epoxy offers a 20-26 minute pot life and cures fully in 5 days, delivering professional-grade results with less sanding and no blush in humid conditions.

Specifications

ASIN	B07JWB983K
Best Sellers Rank	#36,814 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #53 in Tile Epoxy Adhesives
Brand	West System
Color	Clear
Date First Available	October 17, 2018
Full Cure Time	5 Days
Item Form	Liquid
Item Package Quantity	1
Item Volume	946.3 Milliliters
Item Weight	1 pounds
Item model number	207SA-BUNDLE
Manufacturer	Gougeon Brothers, Inc.
Material	Clear Epoxy Hardener, Dispensing Pumps, Epoxy Resin
Number of Pieces	3
Package Information	Can
Product Dimensions	14.1 x 12.3 x 4.6 inches
Tensile Strength	7000 Pounds Per Square Inch
UPC	657379078880
Unit Count	1.0 Count
Viscosity	1000 centipoise at 72°F (22°C)
Viscosity Level	Medium
Water Resistance Level	Waterproof

Reviews

N**R

28.08.2020

K**R

5.07.2025

J**.

14.01.2024

A**R

22.01.2022

B**T

13.12.2022

A**Z

1.08.2024

A**R

5.03.2026

B**S

2.06.2024

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