List of Opening material products
- classification:Opening material
946~990 item / All 2335 items
An ideal gas spring that surpasses coil springs!
- Reinforcement and repair materials
- Special function opening
- others
Installation in just 60 minutes per window! Say goodbye to worries about cold and heat with easy interior window renovations.
- Window and shutter openings
It can be installed on the inside of the existing window! This product balances insulation and design.
- Window and shutter openings
The goal was a rational approach to infectious disease control! The restroom will be transformed into a safe zone.
- Ventilation system
- Ventilation openings
- Ventilation and smoke exhaust equipment

Commercialization of infection control solutions within buildings.
On May 18, 2022, we received an introduction to "Marun Ventilation" in the pages of "Air Conditioning Times."
Ferocrete® louvers are high-strength mortar louvers that provide solar shading effects and a unique appearance to buildings with free color design and surface finishing.
- Unit and other construction
- Concrete wall
- Eaves/Canopy

[Breaking News] PC Curtain Wall Exhibition Hall Under Construction!
We are currently preparing a full-scale PC curtain wall exhibition at the Tsukuba factory in Yachiyo Town, Ibaraki Prefecture. Here are some of the products we are currently manufacturing, aiming for completion by the end of September 2021. We are preparing a variety of colorful and uniquely shaped PC panels that have never been seen before. Please look forward to it!
Improved insulation performance! Building windows that make ALC and RC homes comfortable by the window side.
- Window and shutter openings
- Mouldings and decorative windows
A large opening window for homes that realizes a comfortable and dreamy life wrapped in wind and light!
- shutter
- Disaster prevention supplies
- Window and shutter openings
A pleasant light pours down, and a refreshing breeze rustles the resin window!
- Window and shutter openings
- Mouldings and decorative windows
Typhoon measures you can take with windows! A wide variety of disaster prevention and mitigation products available.
- shutter
- Disaster prevention supplies
- Window and shutter openings
Add a remote-controlled shutter to the window you have now!
- shutter
- Window and shutter openings
We will create a new comfortable space to enjoy your home!
- Mouldings and decorative windows
- Renovation Design
- Window and shutter openings
Available as a replacement for the manifold system! Ships in a leak-free installation state.
- Reinforcement and repair materials
- Special function opening
It emphasizes reducing overall impact force and a durable design with a long lifespan!
- Reinforcement and repair materials
- Special function opening
Would you like to think about "windows"? Introducing DAKO's windows, nurtured by energy-saving habits and the cold of Northern Europe.
- Security glass and sashes
- Wooden sash
- Stainless steel sash
A rich lineup of products boasting a high market share in compact winches!
- Hardware Doors, Handles and Locks
- Lifting and transport system
NBC's non-rail gate has no casters running on the floor and is also excellent in terms of maintenance!
- Gates, walls and fences
- Entrance/Exterior Doors
- Steel Door
Questions about the installation method are resolved in one go with a video!
- Entrance/Exterior Doors
- Hardware Doors, Handles and Locks
- Grip ball/lever handle

[Video Information] Collection of videos explaining the installation of Keylex.
We have released installation videos for the Keylex 500 series. The instructional videos feature the frame door compatible throne replacement lock (model number: 22275) and the surface-mounted deadbolt (model number: 22204). For the frame door compatible throne replacement lock, the installation method varies depending on the door's hinge side and opening direction, so please refer to this. We have prepared four patterns. Difficult content explained in the video can be resolved immediately! - Installation instructions for 22275 - Right hinge side / outward opening - Installation instructions for 22275 - Left hinge side / outward opening - Installation instructions for 22275 - Right hinge side / inward opening - Installation instructions for 22275 - Left hinge side / inward opening - Installation instructions for 22204
Mini gas spring with return cushioning feature! Two load models (0.3/0.5 tons) are available.
- Reinforcement and repair materials
- Special function opening
- others
We provide antiviral and antibacterial doors and door components using special stainless steel!
- Entrance/Exterior Doors
- Interior/Interior Doors
- Stainless steel copper door
"Large swing doors" and "counter doors (mini swing doors)" are now available in the lineup!
- Entrance/Exterior Doors
- Interior/Interior Doors
- Stainless steel copper door
All swing doors are produced in-house! We can offer proposals that benefit our customers!
- Entrance/Exterior Doors
- Interior/Interior Doors
- Stainless steel copper door
We have examples such as the "kitchen swing door" introduced in cloud kitchens!
- Entrance/Exterior Doors
- Interior/Interior Doors
- Stainless steel copper door
If you need to create a workspace of up to 500 m² or 150 tsubo, tent construction is suitable! This is for those who are having trouble with the height, width, and workspace during rainy weather in th...
- Large tents and tent warehouses
- Large tents and tent warehouses
- Other fixtures and fittings
Rain protection for outdoor storage areas and sunshade during events. Easy to extend and move with casters.
- Temporary Construction Materials
- Large tents and tent warehouses
Differences in sensors you should know to avoid "failure" with inexpensive overseas products.
- Ventilation openings
- Ventilation system
- Ventilation and smoke exhaust equipment
New generation groove-type glass "Linitt Glass" changes the concept of groove-type glass as we know it.
- Glass construction
- Window and shutter openings
Featuring excellent aesthetics and a lasting effect of 3 years! Includes door handles with bio-coating.
- Hardware Doors, Handles and Locks
A key box that enables advance reservations and remote operation! Strongly supports the rental business.
- Hardware Doors, Handles and Locks
- Storage
- Other office supplies
You can check the operation method and memory number changes of the Keylex 3100 series in a video!
- Entrance/Exterior Doors
- Hardware Doors, Handles and Locks
- Grip ball/lever handle

[Video Information] Video Collection of the Keylex 3100 Series
The second installment of the video collection features the new Kirex series, the "3100 Series." The 3100 has a slim body size and makes changing memory codes easy, combining design and functionality, which has received positive feedback! The video also includes the newly released surface-mounted sliding door automatic locking system. In this sliding door type, the developer explains the development process and key points, making it highly recommended!! - 3100 Surface-Mounted Sliding Door Automatic Locking System: Key Points Explained by the Developer - 3100 Surface-Mounted Sliding Door Automatic Locking System: User Manual - How to Change Memory Codes: Quick Number Change Method - How to Change Memory Codes: Dual-Sided Button - How to Replace from the 800 Series to the 3100 Series - Introduction to the Cover
Introducing how to change memory numbers in videos for each series!
- Hardware Doors, Handles and Locks
- Entrance/Exterior Doors
- Grip ball/lever handle

【Video Information】We have compiled a video collection on how to change the memory number of Keylex!
Did you know that the method for changing memory numbers varies by series for Keylex!? We are introducing the number change methods for each series on the official Nagasawa Seisakusho YouTube page. With detailed explanations, you can feel confident about future number changes just by watching this! We will continue to provide more video information!! ● Keylex 4000 Memory Number Change Method Video ● Keylex 3100 Memory Number Change Method Video ● Keylex 3100 Double-Sided Button Memory Number Change Method Video ● Keylex 2100/1100 Memory Number Change Method Video ● Keylex 800 Memory Number Change Method Video
Supports the creation of a comfortable space and energy saving! By looking at the position of the lever, you can easily check the open and closed status at a glance.
- Window and shutter openings
◆In a place without anchor points◆
- Special function opening
- Safety and consumables
- Other store equipment and supplies
Heat-insulating film materials lead to reduced heating and cooling costs! Leave all design, manufacturing, and construction to us.
- Large tents and tent warehouses
- Large tents and tent warehouses
Equipped with NDIR sensors that comply with the Ministry of Economy, Trade and Industry guidelines; simply place the ventilation timing on the tabletop; numerous domestic implementation case studies.
- Ventilation openings
- Ventilation system
- Ventilation and smoke exhaust equipment
Installation is a one-touch process with just a hammer! It is especially suitable for entrances and exits in the hallway and kitchen.
- Eaves/Canopy
Experience the gentleness of wood with every touch. We manufacture a wide variety of wood species and designs for fixtures and interior materials that enhance your space!
- wood
- Solid wood flooring/indoor and outdoor
- Interior/Interior Doors
A non-rail gate that requires no rails for both the entrance and the withdrawal. Minimizes construction costs and time!
- Gates, walls and fences
- Entrance/Exterior Doors
- Steel Door
Equipped with NDIR sensors that comply with the Ministry of Economy, Trade and Industry guidelines, simply place the ventilation timing on the table; numerous domestic implementation case studies avai...
- Ventilation openings
- Ventilation system
- Ventilation and smoke exhaust equipment
Equipped with NDIR sensors that comply with the Ministry of Economy, Trade and Industry guidelines; simply place the ventilation timing on the tabletop; numerous domestic implementation case studies.
- Ventilation openings
- Ventilation system
- Ventilation and smoke exhaust equipment
Equipped with NDIR sensors that comply with the Ministry of Economy, Trade and Industry guidelines, simply place the ventilation timing on the table; numerous domestic implementation case studies avai...
- Ventilation openings
- Ventilation system
- Ventilation and smoke exhaust equipment
The simple design allows for installation in a short time and at a low cost!
- Large tents and tent warehouses
- Large tents and tent warehouses
We repair and replace any type of window glass!
- Glass construction
- Security glass and sashes