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100-sq ft 3.6-ft W x 29-ft L x 4 -mm T Premium Polypropylene Moisture Resistant Flooring Underlayment For Use Under Vinyl Plank, For Use Under Laminate,

DMX 1-Step 100-sq ft 3.6-ft W x 29-ft L x 4 -mm T Premium Polypropylene Moisture Resistant Flooring Underlayment For Use Under Vinyl Plank, For Use Under Laminate,

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There seem to be confusing R-values mentioned. Description says 3.5 per inch, one of the answered questions says 0.56, spec says 4. What is the R-value?


Hi Sharma, We apologize for the confusion! DMX 1-Step 2.0 has an R-value of 3.5 per inch, and 0.56 overall. To provide context on its thermal performance: DMX 1-Step 2.0 will make your floor feel approximately 6.5 degrees Celsius (11.5 degrees Fahrenheit) warmer, due to the thermal gap that DMX 1-Step 2.0 provides. If you have further questions, please feel free to reach us toll free at 1-855-501-7837 or customerservice@dmxmembranes.com. We look forward to hearing from you. DMX Customer Care

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