In stock
WEST SYSTEM epoxy fillers include 404 High Density Filler (optimum strength), 407 Low Density Filler (optimum volume) and 406 Colloidal Silicate Filler (optimum versatility).
Grouped product items
Product Name Price Qty
407 Low Density Filler, 4 oz.
407 Low Density Filler, 4 oz. Item #: 37277
In stock
$25.99
Each
404 High Density Filler, 15.2 oz.
404 High Density Filler, 15.2 oz. Item #: 37235
In stock
$17.99
Each
406 Colloidal Silica Filler, 1.9 oz.
406 Colloidal Silica Filler, 1.9 oz. Item #: 37251
In stock
$16.99
Each

WEST SYSTEM® Epoxy-Filler

Item #
GRP17645_3
WEST SYSTEM® Epoxy-Filler WEST SYSTEM® Epoxy-Filler WEST SYSTEM® Epoxy-Filler Fastener Bonding with WEST SYSTEM Epoxy Final Fairing with WEST SYSTEM Epoxy Adding Fillers to WEST SYSTEM Epoxy Bonding with WEST SYSTEM Epoxy Barrier Coating with WEST SYSTEM Epoxy Installing WEST SYSTEM Mini Pumps Dispensing and Mixing WEST SYSTEM Epoxy
WEST SYSTEM® Epoxy-Filler
Frequently bought together
  1. WEST SYSTEM® Epoxy-Filler
  2. +
  3. West System® Mini Pump Set
Total price: $0.00
  • This item: WEST SYSTEM® Epoxy-Filler $0.00
    Grouped product items
    Product Name Qty
    407 Low Density Filler, 4 oz.
    $25.99
    404 High Density Filler, 15.2 oz.
    $17.99
    406 Colloidal Silica Filler, 1.9 oz.
    $16.99

Highly trusted by boat-builders, WEST SYSTEM Epoxy (sold separately) is ideal for use as an ultra-tough waterproof coating, a high-strength, gap-filling adhesive or an easily sanded surface filler. The Resin works in conjunction with a variety of WEST SYSTEM Hardeners (sold separately) and WEST SYSTEM Fillers for a wide range of applications.


When WEST SYSTEM epoxy (sold separately) is combined with 404 High Density Filler (optimum strength) 407 Low Density Filler (optimum volume) or 406 Colloidal Silica Filler (optimum versatility), the epoxy will bridge large gaps and voids and can be easily sanded and shaped when cured. It has no strong solvent odor, making it far safer and more pleasant to work with.

(1) WEST SYSTEM® Epoxy-Filler
More Information
Brand West System
Weight 1.1700
Tech Spec
  • Sizes: 1.9 oz., 4 oz., or 15.2 oz.
Technical Documents
There are no reviews for this item. Write Review
Start typing your question and we'll check if it was already asked and answered. Learn More
Browse 5 questions Browse 5 questions and 13 answers
Why did you choose this?
Rockler Store
Past favorable experience
Arnie B on Jun 3, 2016
Past favorable experience
Arnie B on Jun 3, 2016
I want to use this to fill cracks in wood slabs and put turquoise chips on top. Which would be the best to use for this?
A shopper on Jun 26, 2015
BEST ANSWER: This is not a stand-alone wood filler. This product is meant to be combined with West System epoxy and resin in order to serve as both a filler and a glue. For filling in cracks in wood, there are simpler products (wood fillers). Visiting West System's web page will give you an idea what these products are used for.
Can this be stained with a wood stain?
Victor K on May 25, 2015
BEST ANSWER: I use this as a thickener without color for the West epoxy system and then use it as a pore filler after scraping and before final sanding on marquetry with various wood species on the same piece. I have tinted the epoxy with coloring agents when I use it as an adhesive to help fill areas. I have used different inks and Trans Tint to good effect. I don't see why wood stain wouldn't work. I would suggest coloring the epoxy first and then adding the silicate filler. Then if you feel that more color is needed, you could add it.
When this dries can it be stained with a wood stain?
Victor K on May 25, 2015
BEST ANSWER: Since this filler is used with epoxy, no it will not accept stain. The epoxy itself is not a material that can be reliably stained.
Has anyone tried to mix this with india ink? I need a deep black void filler.
B. Douglas W on Mar 9, 2016
BEST ANSWER: I have not tried to dye thickened epoxy. However, I think most people use this product untinted, then simply paint over the filled area.
Does this dry clear when using it with the 207 hardener?
c w on Apr 14, 2017
BEST ANSWER: As I recall, it did indeed dry clear. However, the project on which I used it (a canoe) is at our other home so I can't go look at it for you right now. I will be there in a few days and would be happy to get back to you if you'd like. Let me know.
More Suggestions