Underlayment Product List and Ranking from 5 Manufacturers, Suppliers and Companies

Last Updated： Aggregation Period:Oct 08, 2025～Nov 04, 2025
This ranking is based on the number of page views on our site.

Underlayment Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Oct 08, 2025～Nov 04, 2025
This ranking is based on the number of page views on our site.

  1. ホーム建材 本社 Aichi//Interior construction business
  2. 服部猛 Aichi//others
  3. かな和工業 Toyama//Building materials, supplies and fixtures manufacturers
  4. 4 マルゲンマテリアル 本社 Aichi//Trading company/Wholesale
  5. 4 誠泰工業科技股份有限公司（Cherng Tay Technology Co.,LTd） 台湾本社 Taiwan//Building materials, supplies and fixtures manufacturers
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Underlayment Product ranking

Last Updated： Aggregation Period:Oct 08, 2025～Nov 04, 2025
This ranking is based on the number of page views on our site.

  1. External insulation underlayment material "Yane Fuki Meijin (Direct Injection Method)" ホーム建材 本社
  2. Sample presentation! Ventilated waterproof underlayment for metal roofs "Air Gap Sheet" 服部猛
  3. Suppresses roof condensation. Ventilated, moisture-permeable waterproof underlayment "Air Gap Sheet." マルゲンマテリアル 本社
  4. [R&FC Construction Case] New Warehouse Construction for Company A in Tochigi Prefecture かな和工業
  5. 4 Waterproof sheet / Asphalt waterproof sheet 誠泰工業科技股份有限公司（Cherng Tay Technology Co.,LTd） 台湾本社

Underlayment Product List

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External insulation underlayment material "Yane Fuki Meijin (Direct Injection Method)"

External insulation underlayment material "Yane Fuki Meijin (Direct Injection Method)"

A roofing underlayment that combines waterproofing and breathability! Save on heating and cooling costs with external insulation!

The "Yane Fuki Meister" is an exterior insulation roofing underlayment that provides a comfortable living space through external insulation. By adopting the "direct injection method," it enables standardization of construction, achieving high precision in roofing that is not affected by the skill level of the workers. Additionally, it exhibits high waterproofing and breathability, preventing roof deterioration. We promise long-lasting peace of mind with speedy construction, accurate finishing, high performance, and durability. The optional "strong wind countermeasure method" uses polyfoam in the adhesive. Its strong adhesion prevents damage from earthquakes and typhoons. 【Features】 ■ High waterproofing and breathability ■ No worries about leaks ■ Speedy construction ■ Standardization of construction is possible ■ Outstanding durability For more details, please refer to the catalog. Feel free to contact us with any inquiries.

  • Shingle, bark and grass roofs
  • Waterproofing work
  • Roof and gutter construction

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Suppresses roof condensation. Ventilated, moisture-permeable waterproof underlayment "Air Gap Sheet."

Suppresses roof condensation. Ventilated, moisture-permeable waterproof underlayment "Air Gap Sheet."

One layer of ventilation space and waterproof sheet. From now on, roofing materials will not rust. The underlayment will not decay.

With easy installation, a ventilation layer of about 1 cm can be created between the roofing material and the sheathing board. Since a breathable waterproof sheet is used, moisture from the sheathing board and attic is expelled into the ventilation layer. By drying the materials around the roof, rust and decay deterioration are prevented. 【Features】 ■ Condensation Prevention The airflow in the ventilation layer averages 3 to 3.9 m/min. This flow rate is sufficient to expel humidity. The humidity on the north side of the sheathing in winter is reduced by an average of about 16%. It prevents condensation that can damage the roof. ■ Insulation Effect The ventilation layer also functions as an insulation layer. The temperature in the attic during summer was reduced by 5.2°C compared to roofs without a ventilation layer. It creates a roof structure that is cool in summer and warm in winter. ■ Easy Installation Performance No special tools are required, and it is lightweight with no stickiness. Additionally, there is little change in stiffness or expansion due to temperature, allowing for stable work throughout the year. ■ Excellent Pressure Resistance ■ Excellent Reliability ■ Excellent Durability This metal roofing-specific roofing material is chosen for higher-quality construction. "Air Gap Sheet" *For more details, please download the PDF or contact us.

  • Heat Insulation Roofing
  • Heat-insulating and moisture-permeable roofing
  • Metal roof

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Sample presentation! Ventilated waterproof underlayment for metal roofs "Air Gap Sheet"

Sample presentation! Ventilated waterproof underlayment for metal roofs "Air Gap Sheet"

To enhance the comfort and longevity of metal roofs.

Ever Corporation's "Air Gap Sheet" is a ventilation and waterproof underlayment material for metal roofs that realizes the longevity of roofs. By creating a 10mm air layer between the roofing material and the sheathing, it efficiently expels moisture and heat, preventing condensation and improving durability. Additionally, it effectively reduces heat in the attic during summer and minimizes the impact of radiative cooling in winter, enhancing insulation performance. We are currently offering samples for free! Please feel free to contact us. 【Features】 - Reduces the unpleasant sound of rain on metal roofs! Soundproofing effect - Made of polypropylene that withstands high temperatures and humidity - The three-dimensional mesh structure excels in surface pressure resistance, with minimal deformation under load - Lightweight and easy to install, available in rolls of 15m - Easily cut with scissors or a cutter *For more details, please download the catalog or contact us.

  • Soundproofing Sheet
  • Roof and gutter construction
  • Insulation work

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[R&FC Construction Case] New Warehouse Construction for Company A in Tochigi Prefecture

[R&FC Construction Case] New Warehouse Construction for Company A in Tochigi Prefecture

Smooth installation just like regular roof insulation! Introducing examples of the beam-top insulation system.

During the clear winter days, the new construction of Company A's warehouse in Tochigi Prefecture took place. The installation of the title frame was completed the day before, and on the day of work, we began with the unloading of the underlayment material from "R&FC." After unloading about ten sheets, we fitted each underlayment sheet into the tight frame one by one. About an hour after the unloading started, we made significant progress, and the flat underlayment material looked even more beautiful against the blue sky. We completed the installation of approximately 150m2 in about half a day. Since we are constructing the roof and ceiling simultaneously, this also contributes to shortening the construction period. [Project Overview] ■ Construction Location: Company A's warehouse in Tochigi Prefecture ■ Benefit: Simultaneous construction of the roof and ceiling helps shorten the construction period. *For more details, please refer to the PDF document or feel free to contact us.

  • System ceiling

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Waterproof sheet / Asphalt waterproof sheet

Waterproof sheet / Asphalt waterproof sheet

Diamond pattern!? I've never seen it!?

Stop Leaks! Protect your building with Seitai's self-adhesive waterproof sheet! No more worries about waterproofing your building's ceilings and roofs! Seitai Industrial Technology's self-adhesive waterproof sheet is specifically designed for waterproofing structural components. Shut out water intrusion! It effectively prevents water from entering from the outside, protecting your building from moisture. Handles cracks too! It has the elasticity to accommodate deformation caused by fine cracks. Stable quality! Achieves consistent quality and uniform waterproof performance through mass production. Safe and easy without using fire Safe installation: There is no risk of fire or contamination since it does not use fire or heated asphalt. Easy installation: No complicated training required! Just peel off the release film and stick it on. Shortened construction time: The installation is speedy, significantly reducing the construction period. Let's protect your building from rain with Seitai Industrial Technology's self-adhesive waterproof sheet and create a safe and comfortable space! Related video: https://www.youtube.com/watch?v=aTraxWNSYvo

  • Modified asphalt sheet
  • Waterproof sheet

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