Quick Details

  • Place of Origin: Chungcheongbuk-do, South Korea
  • Brand Name: RAVI
  • Type: Other Waterproofing Materials
  • Size: 1m X 10m
  • Usage: basement structures, complex waterproof (sheet + membrane)
  • Material: SBS modified bitumen, non-woven polyester, other materials


It is an un-exposure bitumen sheet and consists of SBS modified bitumen, non-woven polyester and fine sand on its top and bottom

Product Description

RAVI DUPLEX SAND consists of SBS modified bitumen, non-woven polyester as reinforcement, fine sand on its top and bottom. It is un-exposure type.

Product Feature

1> It has good quality against cracking, shaking and the change of seasons
2> It has excellent properties in general
3> It is possible to work with safety and ease relatively
4> It is excellent adhesive strength between membrane surface and upper / lower layer.

Product Specification




 SBS Modified bitumen

Top surface

 Fine sand

Bottom surface

 Fine sand



 2.0mm, 2.5mm, 3.0mm

Width(m) X Length(m)

 1m X 10m


1> General use in waterproofing works
2> Un-exposure waterproof sheets
3> Basement structures (parking lot...)
4> complex waterproof (sheet + membrane)


1> Sheet on Floor : RAVI SEAL
2> Sheet on Sheet : Torch application / RAVI SEAL

Other Information

If you want more inforamtion about general terms and conditions, please feel free to contact us or visit our web site at

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South Korea
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