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407 Low Density Filler, 4 oz.
407 Low Density Filler, 4 oz. Item #37277
In stock
Special Price $9.99 Each Regular Price $25.99 SAVE $16 (61.56%) Each
406 Colloidal Silica Filler, 1.9 oz.
406 Colloidal Silica Filler, 1.9 oz. Item #37251
In stock
Special Price $7.99 Each Regular Price $16.99 SAVE $9 (52.97%) Each

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WEST SYSTEM® Epoxy-Filler

WEST SYSTEM epoxy fillers include 404 High Density Filler (optimum strength), 407 Low Density Filler (optimum volume) and 406 Colloidal Silicate Filler (optimum versatility).
Item #
40% of 100

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.
2.0 / 5.0
1 Review
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Wood glue filler.
Have not used in a project as yet. Be aware that the flimsy packaging can open in shipment causing a horrible mess as it did in my shipment.
May 24, 2019
5 months ago
Woodworking Experience:
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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.