

⚡ Fix it fast, fix it strong — the pro’s choice in epoxy fillers!
West System 40445 High Density Filler is a 43-ounce, off-white epoxy filler designed for strong, rapid bonding primarily on wood and hardware. With a lightweight 1.5 kg bottle and an ultra-fast 0.08-hour cure time, it delivers professional-grade durability and finish. Highly rated by users, it’s a must-have for automotive and woodworking professionals seeking reliable, high-performance repair solutions.



















| ASIN | B0006JJAU6 |
| Batteries Required? | No |
| Best Sellers Rank | #206,047 in Automotive ( See Top 100 in Automotive ) #487 in Automotive Fillers, Adhesives & Sealants |
| Color | off-white |
| Customer Reviews | 4.7 4.7 out of 5 stars (95) |
| Date First Available | 30 October 2013 |
| Item model number | 404-45 |
| Material Type(s) | epoxy; filler |
| Number of Puzzle Pieces | 1 |
| Product Dimensions | 53.98 x 40.64 x 29.21 cm; 1.5 kg |
B**I
Nice addition to west epoxy, thickens mixture and fills gaps, just as advertised.
G**S
Works has West System had said
R**U
west system is great products
K**A
I use West System products exclusively when doing marine fiberglass repairs/modifications. There are many different filler options, so choose the one that best fits your needs. Mix the resin, add the filler and mix to your desired consistency, then apply. For me, usually similar to mayonnaise works best. Drying time will depend on your choice of hardener and if you've adjusted the resin/hardener ratio.
I**G
Must have for epoxy work, mixes well without clumps
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