DMX 1 STEP 2.0 ™ – Advanced Flooring Underlayment

For Use Under Vinyl Plank, Laminate and Engineered Hardwood Flooring

Where to buy DMX 1-Step 2.0

How it works

DMX 1-STEP 2.0™ space-age contoured foam and unique dimple
design provides the ultimate in sound absorption while allowing
air to circulate beneath your floors, evaporating trapped moisture
and eliminating harmful mold growth.

Why DMX 1 Step 2.0 Advanced Vapor Barrier?

  • Can be used under Vinyl Plank Flooring (5mm or higher)
  • Certified Product – North American Laminate Floor Association
  • VOC Free – No dangerous off gas into the living space
  • 4 in 1 Protection – Mold, sound, thermal and vapor barrier ALL IN ONE
  • IIC (72) – Foam integration dampens sound transmission in living space
  • R-Value 3.5 (per inch) – Foam on dimple side makes the floors warmer and cozier under your feet
  • Membrane is waterproof – water will not reach your finished floors
  • Installs with a simple utility knife, no carpentry tools required
  • Does NOT require a complicated Calcium Chloride Test of concrete slab like foam underlayments
  • Fast and Easy to Install
  • No cumbersome OSB or Plywood required – Saves You Money
  • Joining Tape makes the joints moisture proof


Testimonials from

I used it on top of a concrete floor, pad and carpet over the top. Warm as toast!

Home Depot Customer

Easy to use, very durable and perfect for our basement. Very happy with how this underlayment went down

Home Depot Customer

Excellent product_easy to install, saw an immediate drop in humidity am an increase in room temperature.

Home Depot Customer

Excellent product providing air flow below underlayment. Easy and very quick install

Home Depot Customer