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USC All Metal Quart is rated 4.2 out of 5 by 10.
Rated 5 out of 5 by from Works Great! I have been using this in restorations for years in the body shop. I do not recommend this being your final filler as it is porous to an extent, We have always used it after any metal patch or large repair is accomplished as a base layer for strength and rigidity. Once cured this stuff is rock hard compared to standard polyester fillers, but not brittle... Note though, after wiped and sanded let it sit for a day or so before applying other filler to this to make sure it has time to harden correctly. I would suggest using this on any area you have welded after it has been grinded and before plastic filler work. Outstanding product, been using for 15 years!
Date published: 2013-04-10
Rated 5 out of 5 by from FANTASTIC PRODUCT This filler is versatile with respect to mixing and application especially if only small amounts are used at one time; ie golf ball sized. Sands and feathers well. Very easy to work, shape, and sand. Seems to sand best by hand. Takes primer and top coats well and doesn't seem to shrink in a few days like some fillers tend to do. I am working in temps at around 55 degrees so I allow about 4 hours before I attempt a sanding operation. I will purchase more within one or two days from now.
Date published: 2011-02-28
Rated 5 out of 5 by from Great Product Been using this in restorations for a initial filler after welding and grinding patch panels. Sometimes a quick flip to fill a rust hole (used car special) 5 years later no bubbling or lifting. We never filler over patches without this for an initial base coat. 20 years using it and it's never let us down.
Date published: 2014-03-20
Rated 3 out of 5 by from Excellent product Excellent product! Like always Eastwood products are good quality and easy to use and get professional results. This one is overpriced. I found the same product at the local auto body paint store 15.00 cheaper!!!!
Date published: 2014-06-16
Rated 5 out of 5 by from Great Stuff The product is easy to work with and is easy to sand once you figure out the right mixture. If you're looking for a filler better than bondo this is it. Highly recommened.
Date published: 2013-02-14
Rated 5 out of 5 by from Great product Great product for small areas, easy to apply and work with. After you figure out the product to hardener ratio it's much easier to apply and let dry. Highly recommended
Date published: 2012-12-02
Rated 5 out of 5 by from Love it! There is a learning curve on mixture, but after that this stuff is really good!
Date published: 2013-05-11
Rated 5 out of 5 by from Great results Needed to repair a rear window channel that was in rough shape. Read some reviews, looked into what others have done to fix this type of issue, and went with the All-Metal product. I was very impressed with the ease of mix and applied easily. Results were fantastic. After sanding and primer, can't tell the problem existed.
Date published: 2015-03-01
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Can this be used to build up edges of fenders and doors to correct excessive gaps? 

Asked by: hammerhead
Yes, it can be used to build up minor gaps. You can also use a fiberglass reinforced filler like Duraglas to do the same thing.
Answered by: MikeL
Date published: 2015-06-10

Can this be used over existing / deteriorated lead repairs?

Asked by: Packrat
Ideally the lead should be completely removed and then replaced by this product, especially if the lead has deteriorated.
Answered by: MikeL
Date published: 2015-06-10

Does it have enough metal content to be compatible with electro-static deposit or like operations? In other words, will an E-Coat adhere to it?

Asked by: MF Jones

Is this product good for doing a seam fill between two aluminum panels and how does it perform when powder coated? What are the considerations?

Asked by: Joanne
  • 2015-11-26T08:47CST
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USC All Metal Quart

Item #50751ZP Brand: US Chemical

Aluminum-based filler can be drilled
or tapped; rustproof, waterproof


Repair metal with metal—instead of lead—using USC® All-Metal Ideal for your restoration projects, USC's All-Metal offers excellent adhesion to metals (even stainless) and wood.
  • Can be drilled or tapped
  • Aluminum-based filler
  • Rustproof and waterproof
  • Includes hardener

More info...

About USC All Metal Quart

Ideal for restoration work, repairs metal with metal. Excellent adhesion to metals and wood. Can be drilled and tapped. Ideal for repairing damaged or rotted out sections of metal, offers filing and sanding properties similar to lead. Finishes to a smooth finish and seals out moisture. Excellent adhesion and rust proofing properties. Quart includes 1 1/2 oz hardener Made in the USA


1-quart can of USC® All-Metal, with tube of hardener

MSDS Sheet

Click Here for Material Safety Data Sheet

Product Data Sheet

Click here to view product information sheet

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