DMX 1-Step

The best choice for Laminate or Engineered Hardwood over concrete or wood subfloors


  • DMX 1-Step™ underlayment is 4 in 1 protection – moisture, mold, sound and thermal barrier
  • The best choice for Laminate or Engineered Hardwood (minimum thickness 8mm) over concrete or wood subfloors
  • Makes your floors warmer and provides protection against moisture and mold
  • Only dimpled underlayment certified by North American Laminate Floor Association
  • 50-year Warranty – most comprehensive warranty in the business
  • Completely waterproof on both sides
  • DMX 1-Step does not require a complicated Calcium Chloride test of the concrete slab like foam underlayments
  • Crush strength 4,000 lbs/sq.ft. or 27 PSI
  • DMX 1-Step is not recommended with laminate or engineered flooring with an attached padding
Dimensions Imperial Metric
Roll Length 27.5 feet 8.38 metres
Roll Width 44 pouces 1.12 metres
Dimple Height 5/16″ 8 mm
Roll Weight 15 lbs 6.5 kg
Sq. Ft. / Roll 100 sq.ft. 9.38 sq.ft.

DMX 1-Step™ videos

DMX 1-Steptm – Introductory
DMX 1-Steptm – Installation
DMX 1-Steptm – Compression Test

Just the facts

Space-age contoured foam designed to absorb noise and vibration.

Tough HDPE membrane with unique dimple design doesn’t trap moisture like traditional foam underlayments.

Air flow and air circulation beneath your finished floors allows moisture to evaporate. No moisture = No mold.


“I completed approximately 3 months of research on Underlayments as I wanted to ensure that my floor were protected from moisture. I did my research online and came across DMX 1-Step. I found the videos helpful and noticed an increase in the warmth of the floors before I even completed my project, when I only … Continued

Brian H. Harrisburg, PA

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“We wanted to add useable living space to our existing home by renovating the basement. We were concerned about moisture getting in as well as the comfort and warmth of a laminate in the basement. 1-Step has made the floors and room warm and cozy, and is super comfortable to walk on! Our sons friend … Continued

S. Shabaz

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“My wife and I hired a general contractor to finish our unfinshed basement in our newly built home. In order to save money I decided that I would handle the subfloor and floor installation in order to save labour costs and we would leave all the rest (framing, electrical, plumbing, drywall etc) to the pros. … Continued


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“This product was very easy to use and the results were excellent. I started with a small room and after the flooring was laid down there was no sound what so ever when you walked on it. It gave a cushioned feeling yet you could tell the strength was there to support anything. I am … Continued

Jim D, Rochester, NY

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