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  3. 緑化計画研究所
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緑化計画研究所

addressKanagawa/Minami-ku, Yokohama-shi/2-27-17 Nagatahigashi
phone045-326-6587
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last updated:Jan 13, 2026
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  • Products/Services(16)
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緑化計画研究所 Company Profile

Fail-proof rooftop greening system: Evergreen Kiri-so bag method for sale. Achieving easy greening with a safe and secure rooftop greening technique. A rooftop greening system that does not require irrigation.

In manufacturing, there are people, and in projects, there is drama. The "passion" of three individuals transcends the boundaries of the company, leading to "co-creation" and "hope." In April 2007, at an exhibition, a project team was born. They wanted to create new solutions originating from the field to solve customers' problems. Three professionals who shared such passionate thoughts met, and the Evergreen Kiri-Sou Promotion Association was established. Professionals in plants, architecture, civil engineering, and facilities breathe new life into the city. Moments of inspiration are continuous. The opportunities to experience moments where the heartbeat never stops are becoming fewer. Why is that? Perhaps it is because of the increase in fakes and deceptions. We aim to remain professionals involved in plants, architecture, civil engineering, and facilities, and we operate the Evergreen Kiri-Sou Promotion Association. The professionals have developed new greening methods and greening systems. That is the Evergreen Kiri-Sou bag method.

Business Activities

Evergreen Kiriinso and Evergreen Kiriinso Bag Method Sales The "fail-proof rooftop greening system" that realizes "soil erosion prevention," "weed control," and "easy greening" utilizes the evergreen Kiriinso bag method (FTM bag) (rooftop greening method) with a zipper-type planting bag. This is a triple intellectual property product consisting of the bag method (Patent No. 4911418 + Registered Trademark No. 6125712) and variety registration (Variety Registration No. 15866). Recently, intense rains like guerrilla downpours have caused issues with soil erosion and scattering due to wind in rooftop greening. Additionally, the decline of plants and the proliferation of weeds have become significant problems in rooftop greening. The evergreen Kiriinso bag method (zipper-type greening bag: FTM bag: rooftop greening method) addresses these issues. It is a fail-proof rooftop greening system that allows for easy greening and portability (movement) by simply placing it down. Beyond rooftops, it is also effective in various construction and civil engineering applications such as folded plate roof greening, wall greening, slope greening, slope protection, vegetation mats, greening of sediment control dams, retaining wall greening, road greening, weed control, anti-weed greening, environmental greening, and landscape protection.

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Products/Services (16)

Why does rooftop greening fail? | Structural causes of rooftop greening product image
Why does rooftop greening fail? | Structural causes of rooftop greening
Rooftop greening, no watering needed (water-free) / low maintenance (effort-free) product image
Rooftop greening, no watering needed (water-free) / low maintenance (effort-free)
Rooftop greening: Easy rooftop greening - no watering needed / Rooftop greening that doesn't grow weeds!! product image
Rooftop greening: Easy rooftop greening - no watering needed / Rooftop greening that doesn't grow weeds!!
Rooftop greening method: Evergreen Kiri-so bag method - A safe and secure rooftop greening method. product image
Rooftop greening method: Evergreen Kiri-so bag method - A safe and secure rooftop greening method.

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catalog(14)

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Rooftop Greening - 10 Check Sheet Before Decision

Rooftop Greening - 10 Check Sheet Before Decision

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Fail-proof Rooftop Greening System 'Evergreen Kiri Grass Bag Method' (Overview Version)

Fail-proof Rooftop Greening System 'Evergreen Kiri Grass Bag Method' (Overview Version)

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Rooftop Greening Revolution - Soil Erosion and Dispersion Experiment - Evergreen Kiri Grass Bag Method

Rooftop Greening Revolution - Soil Erosion and Dispersion Experiment - Evergreen Kiri Grass Bag Method

TECHNICAL
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Rooftop Greening Revolution B - A Rooftop Greening System That Won't Fail - Evergreen Kiri Grass Bag Method

Rooftop Greening Revolution B - A Rooftop Greening System That Won't Fail - Evergreen Kiri Grass Bag Method

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Detailed information

Company name 緑化計画研究所
Contact addresspostalcode 232-0072 Kanagawa/ Minami-ku, Yokohama-shi/ 2-27-17 NagatahigashiView on map TEL:045-326-6587 FAX:045-326-6588
Industry Other construction industries
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