Rust-Oleum® Industrial Specialty

Steel-Tech™ High-Build Epoxy Mastic

266698 128 oz Steel-Tech DTM Epoxy Mastic Base
Click to Enlarge

Metallic Gray

Select a Color (4)

  • Color :

  • Activators (340 VOC) :

  • Activators (250 VOC) :

Technical Documents

Safety Data Sheets (SDS)
Note: To view the SDS or TDS you need to have the Acrobat Reader Software.
Technical Support

About Steel-Tech™ High-Build Epoxy Mastic

Get ultimate protection in harsh environments with Rust-Oleum High Performance Steel-Tech™ High-Build Epoxy Mastic. This innovative coating is fortified with stainless-steel flakes to provide armor-like protection against rust, chemicals, moisture and abrasion.

  • Requires 1/3 less product and 1/3 less dry time than other brands
  • Applies direct-to-metal (DTM)—no primer or additional coats needed
  • Two-year rust-proof guarantee—maximum corrosion protection
  • For interior/exterior use on steel (including sound, rusted steel), concrete and more
  • Can be used with a range of activators for a variety of environments; easy 1:1 mixing ratio

For Best Results

  • This is a two-component system—order base and activator separately.

Available Sizes

  • Gallon