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Product Details

West System 407 Low-Density filler is a blended microballoon-based filler used to make fairing putties that are easy to sand or carve. Reasonably strong on a strength-to-weight basis. Cures to a dark red/brown color.

Reviews for WEST System 407 Low Density Filler

6 of 6 Reviews

December 21, 2020

Pricey, but good results
By Rick from san antonio

Verified Purchase

used for filling weave in 6oz glass sheathing

Bottom Line Yes, I would recommend to a friend

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September 18, 2019

yes
By rocky from green valley AZ

Verified Purchase

on a kit car

Bottom Line Yes, I would recommend to a friend

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June 15, 2018

West system products are tried and true
By Captian from Greensboro, NC

Verified Purchase

Does exactly what they say it will

Bottom Line Yes, I would recommend to a friend

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April 9, 2012

Use on airplane canopy fairing ...
By Rupester from Central Illinois

I used this to achieve final contours on the front edge fairing of an airplane canopy. It worked VERY well ... mixes well, easy to smooth into minor surface irregularities, and sands more readily than microballoons.


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April 3, 2012

Fine Light Weight Filler
By Ptero from Lake Norman, NC.

Use in places you want to fair. I used this on fiberglass boats above and below the waterline. This wets out well and adheres well. It is a bit harder than 410 but spreads out to really fine edge. You can mix any of the West System fillers to get just the right mix you need any job.

Bottom Line Yes, I would recommend to a friend

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June 14, 2010

Been using it for years, works great!
By Penelope from St. John, Virgin Islands

Use it on my boat. Great color and holding power for wooden boats

Bottom Line Yes, I would recommend to a friend

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