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  1. Home
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  3. Building Materials
  4. Opening material
  5. Ventilation openings
  6. Corner and flat roof combined ventilation "W-Vents"

Corner and flat roof combined ventilation "W-Vents"

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last updated:Aug 26, 2025

日本住環境
日本住環境
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Even the ridge beam won't compromise! Risk avoidance with versatile ridge ventilation!

With the best waterproof performance in the series, there is no leakage even at wind speeds of 40 m/s for both flat and hip ridges. This versatile ridge ventilation allows for ventilation at the hip ridge when used in combination with open boards (sold separately), not just on the flat ridge. 【Features】 ■ Suitable for hip ridge types, ideal for apartments with gabled roofs separated by firewalls ■ Reliable waterproofing even in strong wind areas ■ Durable with rot-resistant plastic battens ■ Full guard against insects and animals *For more details, please refer to the materials. Feel free to contact us with any inquiries.

    Ventilation openings
イプロス-Wベンツ.jpg

Corner and flat roof combined ventilation "W-Vents"

イプロス-Wベンツ.jpg
イプロス-Wベンツ.jpg
  • Related Link - https://www.njkk.co.jp/product/tabid75.html?pdid=k…
  • Special site - Product/service details - https://pr.www.ipros.com/njkk/product/

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【Specifications】 Material: Galvalume steel sheet (thickness = 0.35mm), polypropylene, polyethylene, polystyrene, EPDM Color: Black/Brown Effective opening area: 【0.5P】60cm²/piece 【1.0P】120cm²/piece 【2.0P】240cm²/piece Quantity: 1 piece per case *You can view the product catalog by downloading the PDF. Please feel free to contact us with any inquiries.

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*For more details, please refer to the materials. Feel free to contact us as well.*

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Corner and flat combined ridge ventilation "W-Vents"

Corner and flat combined ridge ventilation "W-Vents"

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Ventilation Pathway Securing Material "Open Board"

Ventilation Pathway Securing Material "Open Board"

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News about this product(1)

Corner and flat-compatible ridge ventilation component "W-Bentz"

Announcement of the new release of the corner and flat-compatible ridge ventilation component "W Vent."

  • Product news

The new product "SEV-15FD" will be released on Thursday, June 1! This product is a ventilation component suitable for both flat and hip roofs, with no water leakage even at wind speeds of 40 m/s. It is a versatile ridge ventilation system that can be used not only with flat roofs but also in conjunction with open boards (sold separately) for ventilation at hip roofs. <Product Highlights> ■ Suitable for hip roofs, making it ideal for apartments with partitioned gable roofs ■ Waterproof for peace of mind in strong wind areas ■ Durable with rot-resistant plastic battens ■ Fully guards against insects and animals For more details, please refer to the product page below.

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日本住環境

日本住環境

Building materials, supplies and fixtures manufacturers

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The products and services developed by our company over a quarter of a century are not visible to the people living in them. We believe that our mission at Japan Living Environment Co., Ltd. is to create a comfortable living environment for the main character of the home, "people," from behind the scenes where it is not visible.

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