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Slotted Floor Underlayment


  • Unique slotted design for underfloor heating
  • Water-resistant and durable closed cell EVA foam
  • Attached moisture prevention barrier film
  • Avaliable in vourious sizes and colors


  • Fast and easy to install
  • Perfect match for underfloor heating system
  • Moisture protection and impact noise reduction
  • Shock absorbing and heat insulation
  • Mold and mildew resistant protection

Slotted Underfloor Heating Underlay

Our slotted foam floor underlayment is composed of durable EVA foam featuring a unique slotted design for underfloor heating system. It is an economical solution for home flooring with underfloor heating, but is quite effective and useful. The underfloor heating underlay can bounce back quickly from compression to make sure your floor is fully supported. With the closed cell structure, our slotted floor underlay provides your flooring with strong comfort, moisture proof and noise & heat insulation protection. Meanwhile the underfloor heating underlay is offered in various colors and customized sizes to fit your local market use.

Size100 sq. ft. (1.1m x 8.45m), 200sq.ft. (1.1m x 16.9m) Thickness 2mm, 3mm
ColorBlack, Bule, Red and Green etc.
MaterialClosed Cell EVA Foam
Density70 ~ 90 kg/m³
Applicable Temperature-25°C ~ +50°C
Life ExpectancyAbove 10 Years
Laminated filmPE film, Aluminum film, Gold film
NoteSizes and colors can be customized with custom printing available


  • laminate flooring
  • engineered wood flooring
  • hardwood flooring
  • luxury vinyl tiles
  • luxury vinyl planks
  • rubber flooring
  • ceramic tile
  • porcelain tile
  • cork flooring
Packaging Information
Item DescriptionPacking Per Bundle
Gross Weight
Quantity For
20GP Container
Quantity For
40HQ Container
NoteUnderlayment rolls are packed by shrink bag or bundles; More custom packaging is available.


  • Ensuring the subfloor is clean, dry and free of any debris.
  • From the corner of the room start to roll out the underlay with the aluminum or moisture resistant film on the bottom.
  • Roll out a second roll of foam underlayment and joint the seams together with seal tape.
  • Continue installing the underlay repeating the previous steps until the floor is completed.
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