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

Account Cart

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

Help Track order

Account Cart

WEST SYSTEM 403 Microfibres Filler 160g - Thickens Epoxy for Wood, Marine & Fibreglass Repair - Waterproof, Multi Purpose Adhesive Powder for 2 Part Epoxy - for Interior & Exterior Use

WEST SYSTEM 403 Microfibres Filler 160g - Thickens Epoxy for Wood, Marine & Fibreglass Repair - Waterproof, Multi Purpose Adhesive Powder for 2 Part Epoxy - for Interior & Exterior Use

Name: WEST SYSTEM 403 Microfibres Filler 160g - Thickens Epoxy for Wood, Marine & Fibreglass Repair - Waterproof, Multi Purpose Adhesive Powder for 2 Part
Brand: West System
SKU: 626603776
Price: 44.62 USD
Availability: InStock
Rating: 5 (4 reviews)

Product ID: 626603776

Details

Brand
West System
Item form
Powder
Material
Powder
Special feature
Waterproof
Specific uses for product
Woodworking

💧100% waterproof durability

🧱High-strength gap filler

🛠️Versatile multi-surface use

$44.62

Duties & taxes included

In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

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

Secure transaction

Description

🧰 Elevate your epoxy game—thicker, stronger, waterproof perfection!

PRECISION THICKENING - Add just 4-16% by weight to epoxy for optimal viscosity—no more runny messes, just smooth application.
SUPERIOR BONDING POWER - Transforms epoxy into a tough, gap-filling adhesive that lasts through marine and outdoor challenges.
TRUSTED INDUSTRY STANDARD - Favored by pros for consistent, durable results that elevate every DIY or professional project.
WATERPROOF WEATHERPROOF - Ensures your repairs stay intact rain or shine, perfect for exterior and marine applications.
MULTI MATERIAL COMPATIBILITY - Ideal for wood, fiberglass, and engineered materials—your all-in-one repair companion.

WEST SYSTEM 403 Microfibres Filler is a premium cellulose fiber powder designed to thicken two-part epoxy resin, enhancing gap-filling, strength, and waterproofing. Perfect for wood, marine, and fiberglass repairs, it boosts epoxy performance with a durable, weather-resistant bond. Trusted by professionals, it mixes easily at 4-16% by weight to deliver superior adhesion and lasting results in both interior and exterior applications.

Specifications

ASIN	B0CSK4763B
Best Sellers Rank	14,384 in DIY & Tools ( See Top 100 in DIY & Tools ) 1,603 in Adhesives & Sealers
Brand	West System
Colour	Cures to an off-white colour.
Compatible Material	Engineered Wood
Container Type	Aerosol Can
Customer Reviews	4.6 out of 5 stars 18 Reviews
Global Trade Identification Number	05063369040303
Included Components	WEST SYSTEM® Microfibres Filler (160g)
Item Form	Powder
Item Package Quantity	1
Item Type Name	Epoxy Filler
Item form	Powder
Manufacturer	Wessex Resins & Adhesives Ltd
Manufacturer Part Number	403-1
Material	Powder
Model Number	403-1
Other Special Features of the Product	Waterproof, Enhanced Strength, Durable
Special feature	Waterproof, Enhanced Strength, Durable
Specific Uses For Product	Woodworking
Specific uses for product	Woodworking
Unit Count	1.0 count
Viscosity Level	High
Water Resistance Level	Waterproof

Reviews

D**M

Good stuff

My go-to additive for West system epoxy for bonding

2.02.2026

M**E

Stops it running

Industry standard for thickening epoxy resin

30.09.2025

A**R

good

1.07.2025

W**T

worked for my job

easy to use

7.07.2021

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

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

Reema J.

Perfect platform for hard-to-find items. Delivery was prompt.

1 month ago

Meera L.

Smooth transaction and product arrived in perfect condition.

3 weeks ago

View all Trustpilot reviews

Shop Global, Save with Desertcart

Value for Money

Competitive prices on a vast range of products

Shop Globally

Serving millions of shoppers across more than 100 countries

Enhanced Protection

Trusted payment options loved by worldwide shoppers

Customer Assurance

Trusted payment options loved by worldwide shoppers.

Desertcart App

Shop on the go, anytime, anywhere.

$44.62

Duties & taxes included

In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

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

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Abdullah B.

Great price for an authentic product. Fast international shipping too!

3 weeks ago

Vikram D.

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

2 weeks ago

View all Trustpilot reviews