Modified asphalt sheet Product List and Ranking from 5 Manufacturers, Suppliers and Companies

Last Updated： Aggregation Period:Sep 17, 2025～Oct 14, 2025
This ranking is based on the number of page views on our site.

Modified asphalt sheet Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Sep 17, 2025～Oct 14, 2025
This ranking is based on the number of page views on our site.

  1. 田島ルーフィング 市場開発部 Tokyo//Building materials, supplies and fixtures manufacturers
  2. Robusto Osaka//Building materials, supplies and fixtures manufacturers
  3. 日新特殊建設 Tokyo//Other construction industries
  4. 東和工業 本社 Tokyo//Building materials, supplies and fixtures manufacturers
  5. 5 昭石化工 Tokyo//Building materials, supplies and fixtures manufacturers
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Modified asphalt sheet Product ranking

Last Updated： Aggregation Period:Sep 17, 2025～Oct 14, 2025
This ranking is based on the number of page views on our site.

  1. Modified asphalt sheet for civil engineering and construction underground waterproofing "Gumron Fort" 田島ルーフィング 市場開発部
  2. Gumlon Fort: Underground Waterproofing and Pre-Installation Method (Civil Engineering Underground / Building Underground) 田島ルーフィング 市場開発部
  3. Gumronfort underground waterproofing and post-construction method (civil engineering underground and architectural underground) 田島ルーフィング 市場開発部
  4. "Hybrid Type Modified Asphalt Sheet Construction Method" *NETIS Registered Robusto
  5. 4 Modified asphalt sheet "Custom NT40" 日新特殊建設

Modified asphalt sheet Product List

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Underground waterproofing

Underground waterproofing

Introduction to Highness underground waterproofing that supports the foundation of urban functions.

The functions of a city, as seen in subways, utility tunnels, underground shopping areas, underground passages, and elevated intersections, have increasingly gained importance in their development. Our company offers "Highness Sheet SS32" and "Highness Sheet W32," which are suitable for modified asphalt cold adhesive methods. Shoseki Chemical's civil engineering waterproofing has overcome various conditions in this field and has built numerous achievements. 【Features (Highness Sheet SS32)】 ■ Base material made of special synthetic fiber non-woven fabric ■ High-viscosity modified asphalt coating ■ Mineral particles tightly adhered to the surface ■ Sand-coated modified asphalt sheet used in cold adhesive methods with an adhesive layer on the back ■ Dimensions: Thickness 3.2mm, Width 1m × Length 10m *For more details, please refer to the PDF materials or feel free to contact us.

  • Renovation and repair methods
  • Waterproofing work

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"OS-sheets" has been registered in "NTEIS"!

"OS-sheets" has been registered in "NTEIS"!

The advancement of the "hybrid type modified asphalt sheet construction method" has been recognized.

The hybrid modified asphalt sheet construction method we handle, 'OS-sheets,' has been recognized for its advancement and registered as a new technology in NETIS on November 30, 2020. The main points registered in NETIS include "shortened construction period," "no need for skilled labor required for torch bonding," and "increased construction speed." This method using our product brings revolutionary changes to the processes outlined in the public building construction standard specifications for "Roof Exposed Waterproof Insulation Construction ASI-T1" and "Roof Exposed Waterproof Insulation Construction AS-T3." [Benefits of Using NETIS Registered Technology] ■ Using new technology (NETIS) in construction → Possible to shorten construction period and reduce costs ■ Using new technology (NETIS) in public works, etc. → Points added in comprehensive evaluation method ■ Proposals for utilizing new technology from contractors → Eligible for additional points in construction performance evaluation *For more details, please refer to the PDF materials or feel free to contact us.

  • Waterproof sheet
  • Waterproofing work

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Modified asphalt sheet "Kurtal Construction Sheet"

Modified asphalt sheet "Kurtal Construction Sheet"

By simply adhering the sheet to the primed substrate, a highly water-resistant waterproof layer of the same quality and integrity is formed.

The "Kurtal Architectural Sheet" is a modified asphalt sheet that provides advanced water-tight waterproofing through a cold adhesive method. It features a three-layer structure, primarily composed of modified asphalt with excellent viscoelasticity, extensibility, and thermal stability, along with dimensionally stable polyester spunbond (with glass mesh), which is impregnated and coated, and has an adhesive layer on the back. As a result, each layer has the ability to absorb external damage and changes in the structure, ultimately demonstrating effects similar to those of laminated construction. 【Features】 ■ Provides advanced water-tight waterproofing through a cold adhesive method ■ Ensures waterproof functionality through a rational structure ■ Easy to install and labor-saving ■ Environmentally friendly with energy and resource conservation ■ Prefabricated materials with stable materials and shapes *For more details, please refer to the PDF document or feel free to contact us.

  • Waterproof sheet

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Modified asphalt sheet "Custom NT40"

Modified asphalt sheet "Custom NT40"

High-strength, high-elasticity full-layer asphalt-impregnated sheet

The "Custom NT40" is a high-strength, high-elasticity modified asphalt sheet (full-layer asphalt impregnated type) made with a heavy long-fiber non-woven fabric as the core material, which is impregnated and coated with special asphalt. This highly durable sheet is born from a long history of asphalt waterproofing, and compared to standard rubber asphalt sheets, it significantly excels in tensile strength and elongation performance. 【Features】 ■ Excellent properties across a wide range from low to high temperatures ■ Extremely superior puncture resistance and high water pressure resistance ■ Excellent adaptability to uneven substrates *For more details, please refer to the PDF materials or feel free to contact us.

  • Modified asphalt sheet

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Modified asphalt sheet "Custom NT40" <High strength, high elongation>

Modified asphalt sheet "Custom NT40" <High strength, high elongation>

A sheet with a width of 1,000mm and a length of 10m! A highly durable sheet born from a long history of asphalt waterproofing.

We would like to introduce our modified asphalt sheet, "Custom NT40." It features a heavy long-fiber non-woven fabric as the core material, which is impregnated and coated with a special asphalt. Compared to regular modified asphalt sheets, it significantly excels in tensile strength and elongation performance. Additionally, it demonstrates excellent properties across a wide temperature range, as well as superior adaptability to uneven substrates. 【Features】 ■ Fully asphalt-impregnated type ■ Heavy long-fiber non-woven fabric as the core material ■ Impregnated and coated with special asphalt ■ Significantly superior tensile strength and elongation performance compared to regular modified asphalt sheets ■ Exceptional puncture resistance and high water pressure resistance *For more details, please refer to the PDF document or feel free to contact us.

  • Modified asphalt sheet

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Modified asphalt sheet for civil engineering and construction underground waterproofing "Gumron Fort"

Modified asphalt sheet for civil engineering and construction underground waterproofing "Gumron Fort"

It is a modified asphalt sheet-based underground waterproofing method with excellent reliability. (Civil engineering underground and architectural underground waterproofing) It can be applied to both pre-applied and post-applied methods.

"Gumronfort" is a modified asphalt sheet for underground waterproofing, consisting of a high-strength, high-elasticity synthetic fiber non-woven fabric substrate that is impregnated and coated with modified asphalt. It is a fully adhesive layer type that reliably adheres to both the Gumron itself and the substrate simply by peeling off the release paper. The adhesive layer has extremely stable adhesion and fluidity characteristics over a wide temperature range, allowing for all-season application. 【Features】 ■ Fully adhesive layer type ■ All-season application possible ■ Durable non-woven fabric substrate with excellent stretch, tear, and tensile strength ■ Forms a reliable waterproof layer due to the substrate-following properties combined with rubberized asphalt *For more details, please refer to the PDF document or feel free to contact us.

  • Coating film waterproofing material/permeable waterproofing material
  • Coating film waterproofing material/permeable waterproofing material
  • Waterproof sheet

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Gumronfort underground waterproofing and post-construction method (civil engineering underground and architectural underground)

Gumronfort underground waterproofing and post-construction method (civil engineering underground and architectural underground)

With high reliability modified asphalt sheets, excellent workability can be achieved, making it easy to manage and verify quality and performance!

In "external waterproofing," a modified asphalt sheet called Gamron Fort is installed on the outside of the concrete structure. This allows for good workability and makes it easy to manage and verify quality and performance. Gamron Fort can be applied by peeling off the release paper, which reduces labor and generates almost no odors or smoke. Additionally, a space of about 1.0 to 1.5 meters is required between the retaining wall surface and the concrete surface of the structure. *For more details, please refer to the PDF materials or feel free to contact us.

  • Coating film waterproofing material/permeable waterproofing material
  • Waterproof sheet
  • Civil Engineering Method

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"Hybrid Type Modified Asphalt Sheet Construction Method" *NETIS Registered

"Hybrid Type Modified Asphalt Sheet Construction Method" *NETIS Registered

It will bring transformation to the processes of the "exposed roof waterproofing insulation construction method" and "exposed roof waterproofing insulation method" in the standard specifications for public building construction!

The hybrid modified asphalt sheet construction method "OS-sheets," which our company handles, has been recognized for its advancement and registered as a new technology in NETIS on November 30, 2020 (NETIS number: KT-200118-VR). The main contents registered in NETIS are: 1. Shortened construction period 2. Quality assurance 3. Reduced burden on workers and the natural environment 4. Cost reduction This construction method using our product will bring revolutionary changes to the processes outlined in the public building construction standard specifications for "Roof Exposed Waterproof Insulation Method ASI-T1" and "Roof Exposed Waterproof Insulation Method AS-T3." 【What’s amazing about the OS-sheets Waterproof System】 ■ Reduced installation steps due to the single-layer sheet → Reduced work burden, shortened construction period, and cost reduction ■ Torch bonding only at the joints significantly reduces the workload to about 1/10 of conventional techniques → Increased construction speed ■ Easy confirmation of torch melting results → No need for the skill required for torch bonding ■ Using the OS hand burner for torching the joints of "OS-sheets" → Reduced risk of burns and fires for workers / Reduced workload for handling gas burners *For more details, please refer to the PDF materials.

  • Waterproof sheet
  • Waterproofing work

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Special Modified Asphalt Sheet "Kurtal Sheet SH-80 Corrosion Protection"

Special Modified Asphalt Sheet "Kurtal Sheet SH-80 Corrosion Protection"

Forms a uniform thickness anti-corrosion layer! Special modified asphalt sheet that does not produce hexagonal cracks.

The "Kurtal Sheet SH-80 Anti-Corrosion" is an anti-corrosion sheet developed based on the technology of the self-adhesive special modified asphalt sheet (rubberized asphalt sheet) "Kurtal Sheet." This product, which uses special modified asphalt with excellent physical properties as the main material for anti-corrosion, forms a composite anti-corrosion layer along with Kurtal Primer A on the steel plate and Kurtal Coat on the sheet surface. Compared to methods such as coating anti-corrosion systems, it allows for the application of a much more durable anti-corrosion coating. 【Features】 ■ Uniform film thickness ■ No pinholes ■ Thick anti-corrosion layer ■ Does not crack ■ Can be applied even in the presence of pitting *For more details, please refer to the PDF document or feel free to contact us.

  • Modified asphalt sheet

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Gumlon Fort: Underground Waterproofing and Pre-Installation Method (Civil Engineering Underground / Building Underground)

Gumlon Fort: Underground Waterproofing and Pre-Installation Method (Civil Engineering Underground / Building Underground)

This is a method of performing waterproofing work "in advance" using soil retention and excavation support as a base before the placement of the structural concrete for underground structures. It is a space-saving and highly efficient method due to the narrow excavation area.

The high-reliability modified asphalt sheet "Gumron Fort" is applied to the retaining walls and slopes before the concrete is poured, connecting with the concrete that will be poured later to demonstrate its waterproofing function. Compared to the "post-pouring method," this underground waterproofing method allows for a narrower excavation range and eliminates the need for backfilling and other tasks, making it suitable for space-saving and improving work efficiency. The construction begins by securing the asphalt molded board "Balistar WP" as a base material for applying the waterproofing material to the retaining walls and slopes, followed by attaching Gumron Fort on top, after which the concrete is poured. *For more details, please refer to the PDF document or feel free to contact us.*

  • Coating film waterproofing material/permeable waterproofing material
  • Waterproof sheet
  • Civil Engineering Method

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