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Home > Putty, Filler, and Patches

KBS NuMetal - Epoxy Putty

review 62 Reviews +See Reviews
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KBS NuMetal - Epoxy Putty

NuMetal Epoxy Putty is a easy-to-use, two part putty you simply mix and mold like clay no complicated weighing or measuring required. Select BLACK, TAN, WHITE or GREY.

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Part #: 700
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NuMetal Overview

NuMetal Epoxy Putty is an easy-to-use, two-part putty that mixes like clay but hardens like steel! NuMetal bonds, seals, fills, insulates, anchors, caulks and waterproofs. It cures without shrinking or sagging and can be drilled, tapped, sanded, primed and painted. NuMetal will not only stick to damp surfaces, but it will cure underwater!

Our Black NuMetal is ideal for automotive applications ... if the surface coating sustains damage, the black epoxy putty beneath remains unseen! Use White NuMetal for marine applications and boat repairs. Satisfaction guaranteed!

NuMetal Features

  • Bonds to almost anything
  • Cures underwater
  • Will not shrink or sag
  • Can be applied to vertical surfaces
  • Sand, drill or carve
  • Paint, stain or gel coat
  • Withstands temps up to 300°F (150°C)
  • Easy 1:1 mix ratio
  • Cut only what you need
  • Soap & water clean up

NuMetal Applications

Pool & Spa: tile & grout • PVC & ABS pipe • sealing underground pipe fittings • cracked pump housing • skimmers • pool decks • concrete decks • cracked timer & control boxes • filter grids & screens • broken control handles & knobs • patching cracks in pool gunite • concrete & plastered walls • bottoms & steps • broken pool tools • cracked coping • mounting hardware & ladders • hand rails • diving boards • water fittings • gaskets

Marine – Yacht & Boat: scrapes • dents • chips • holes • leaks • breaks on fiberglass, wood, metal & plastics • broken fuel lines • broken or cracked water lines & tanks • bonds loose carpet • waste system repairs for tanks & lines • emergency repair to engine fuel & water lines

RV & Auto: PVC & ABS pipe • water lines, fittings & tanks • broken fixtures • chipped grills • handles • emergency repair engine fuel & coolant lines • gaskets • plumbing cracks & leaks • furniture, wood, fiberglass, ceramic & plastic • tubs, toilets, sinks, tiles & caulking • emergency repairs for radiator & cracked engine blocks • battery terminals & cases

Home: furniture • water lines • PVC & ABS pipe • dents, scrapes, chips & nicks • cast iron, brick, concrete, tile, ceramics, stone, glass, pottery, wood, plastic & ceramic • sprinkling line repair • sealing underground connections & elbows • cracks & leaks in plumbing fixtures • tubs, toilets, sinks, tiles & caulking • broken filling on appliances • air conditioning & refrigeration coils • attaching golf club shafts to golf club heads

Industrial: leaking drum repair • water & air lines • HVAC coolant & refrigeration lines • plumbing fixtures

NuMetal Directions and Tech Info

NuMetal on the
KBS Support Forum

NuMetal Used to Repair a Steering Wheel - Part 1

Tank Sealer - Stop Rust - Video

NuMetal Used to Repair a Steering Wheel - Part 2

Tank Sealer - Stop Rust - Video
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Questions and Answers
+See All Questions

Q: Can Epoxy Putty be applied over Rust Seal?

Asked by:  - 4/29/2015

A: Yes, you can apply NuMetal Epoxy Putty over cured RustSeal (24 hours) by scuffing up the RustSeal with 300 grit and then applying the NuMetal Epoxy Putty.

Was this answer helpful?   9 of 10 Customer(s) found this Answer helpful.

Customer Reviews - Others Say It Best +See All Reviews
review 62 Total Reviews Sorting:
Rating NuMetal
I wish I had this stuff 30 years ago! It's easy to shape and work with. I've learned that if you reinforce a joint and make it look like a 1/4 welding bead and then coat it with one of your products, it looks very professional. Awesome stuff. Will be ordering more in the future.
Reviewed by:  from LAKE GEORGE. - 7/21/2017
Rating would buy this again
used as directed very easy to apply and smooth out
Reviewed by:  from suffolk va. - 10/23/2016
Rating Excellent for minor rust repairs on body panels.
Had purchased to restore a cracked steering wheel but was working on 37 Ford body with small rust pin holes in difficult area to replace metal panel. Cleaned rust and applied epoxy. Adhered and dried prefect. A little sanding and pin holes fixed. Much better than bondo.
Reviewed by:  from Houston, Tx. - 9/7/2016
Rating Great Product
Go with the smaller cans when planning multiple openings of the product, can lids just don't hold up after opening
Reviewed by:  from Missouri. - 12/31/2015
Rating perfect patch
I am working on Old Chevy truck. Had lots of pin hole areas around windshield, cab corners, dash. Cleaned and sanded areas, applied rust blast. then applied rust seal and filled with KBS epoxy putty. Let it harden sanded smooth then did regular body work were needed and primed. If you have thin metal that you don't want o weld in new piece or can't because of location this is the stuff.
Reviewed by: (Verified Buyer)  from nixa mo.. - 11/20/2014
Rating Great product
I used it to repair a rusty truck. It worked just as described.
Reviewed by:  from Willianstown ky. - 9/20/2014
Rating great stuff
Used around windshield and between rocker and floor pan. Had some rust and small holes. Cleaned area first. Used some Blast to stopped the rust and harden the metal. Sprayed in some rust resistant paint then filled the area with the epoxy and sanded. Worked great.
Reviewed by:  from Missouri. - 11/27/2013
Rating Good Product
I used this to rebuild a steering wheel on a vintage truck. It was easy to use and it looks great.
Reviewed by:  from Everett, WA. - 10/24/2013
Rating Worked well so far.
Followed the how to video which I found on You Tube and it worked very well to fill the cracks on my 66 Volvo 1800S steering wheel.
Reviewed by:  from Surrey, BC Canada. - 8/27/2013
Rating Kudos to KBS
I would not have ever believed that I would find a product to repair rust holes in the trunk of my car. I had been coping forever to repair these holes in my 1973 Pontiac Ventura. Kudos to KBS Coatings for discovering this product.
Reviewed by:  from Fort Lauderdale, Florida. - 6/24/2013
Review KBS NuMetal - Epoxy Putty
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