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Waterproofing Materials for Construction and Related Products

Neo Roofing E Exposure Waterproofing Method (EPDM rubber sheet waterproofing material)

  • Neo Roofing E Exposure Waterproofing Method (EPDM rubber sheet waterproofing material)サムネイル1
  • Neo Roofing E Exposure Waterproofing Method (EPDM rubber sheet waterproofing material)サムネイル1

This is the standard specification for sheet waterproofing with a track record of over 50 years.
It is widely used for general rooftop waterproofing, dome roofs, ALC roofs, etc. As it is vulcanized rubber sheet waterproofing,
it is lightweight and an excellent method for saving energy through external thermal insulation.

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Method Details

Features

  • Excellent substrate adhesion
    The excellent elasticity and expansion/contraction properties of the material mean it has excellent adaptability to the substrate, and it also has excellent crack adhesion and repeated expansion/contraction properties.
  • Fewer processes and shorter construction period
    The rubber sheets can be installed at room temperature, and because they are installed in a single layer, the number of processes is reduced, shortening the construction period and making process management easier.
  • High adaptability
    It can be installed on a variety of roofs, including relatively steep roofs and roofs with irregular shapes.
  • You can choose the insulation performance you want
    The insulation material used is expanded polyethylene, which can also be used in adhesive construction methods. By changing the thickness of the insulation material, you can obtain the required insulation effect.

  • Before

    Before

  • after

    after

Construction Case Studies

Hyogo Prefectural Office Building Rooftop [RV-101 Waterproofing Method]

Neo Roofing E exposed waterproofing method [RV-101 waterproofing method] was adopted on the roof of Takeuchi Co., Ltd. in Himeji City, Hyogo Prefecture.
The elasticity of rubber sheets makes them resistant to movement of the underlying surface, and the full-surface adhesion makes them extremely resistant to wind pressure.

  • Before construction
    Before construction
  • After construction
    After construction

Process

  • Product Name

    RV-401 (Insulation Bonding Method)

    (1) NEO-PRIMER
    (2) NEO-BOND R
    (3) Heat insulating material
    (4) NEO-ROOFING E
    (5) NEO-SEAL TAPE N
    (6) NEO-COLOR

Process Product name Application Specification Remarks
1 NEO-PRIMER Solvent-based primer 15 kg/can chloroprene rubber
2 NEO-BOND R Solvent-based Adhesive 15 kg/can chloroprene rubber
3 Heat insulating material Expanded polyethylene foam - -
4 NEO-ROOFING E Seat waterproof main body Thickness 1.0, 1.2, 1.5, 2.0 mm
Width 1200 mm		 EPDM vulcanized rubber-based homogeneous sheet
5 NEO-SEAL TAPE N Joint and end seal tape 0.8 mm thick x 30 mm wide x 30 m long Butyl rubber
6 Finishing Paint (select) NEO-COLOR A Standard paint 15 kg/can Acrylic (water-based)
NEO-COLOR E Standard paint 16 kg/can Acrylic (water-based)
NEO-COLORCOOL Standard paint 17 kg/can Acrylic (water-based)
NEO-COLOR ASI Standard paint 18 kg/can Acrylic (water-based)
NEO-COLORCLEAN Standard paint 19 kg/can Acrylic (water-based)
NEO-COLORGAINA Standard paint 20 kg/can Acrylic (water-based)

Product name Application Specification Remarks
NEO-ROOFING RN Expansion sheet (underlay) for the role-playing section 1.5 mm thick x 300 mm wide x 10 m long Butyl rubber
NEO-ANGLE Metal clamp at the end of the seat 2m/roll Various shapes Aluminum
NEO SEAL Seal material for the 3-sheet overlap section and specialty parts, etc. 330cc cartridge Butyl rubber

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