List of Opening material products

100% recycled gypsum derived from waste gypsum boards is reused as raw material, achieving effective carbon neutrality during manufacturing!

• Gypsum board and moldings

Since the construction-generated soil will be recycled on-site, the disposal costs for leftover soil and the costs for new purchases will be significantly reduced. 【Disaster Prevention】

• Special Construction Method

Fire-resistant sliding door featuring heat-resistant crystallized glass!

• Sliding door
• Interior/Interior Doors
• Office furniture

Efficiently expels heat and humidity trapped in the attic! Adjustable from 4 inches to 10 inches.

• Ventilation openings
• Ventilation and smoke exhaust equipment
• Air conditioning equipment

HACCP-compliant high-speed sheet shutter. Opens and closes approximately 15 times faster than standard steel shutters!

• Special function opening
• shutter
• Automatic door opening and closing devices for entrances and exits (auto doors)

Ceiling inspection openings compatible with 60-minute semi-fireproof structures and reinforced ceilings that do not pose fire safety issues even when installed on fireproof covering lines [Special col...

• Interior/Interior Doors

Ceiling inspection openings with a 45-minute semi-fire-resistant structure that do not pose a fire safety issue even when installed on fireproof covering lines [Special column now available].

• Ceiling decoration and design materials
• Interior/Interior Doors

59 color variations! Control light, ventilation, and airflow as you wish. An element that enhances the interior aesthetics of the room.

• shutter
• Blind Sunscreen
• Folding doors/accordion doors

Using a portable air conditioner to create a temporary break area.

• Large tents and tent warehouses

Presentation of Information: Is it Common in Developed Countries? An Explanation of the 'Emergency Evacuation Device' Essential for Emergency Exits

• Safety and consumables
• Hardware Doors, Handles and Locks

With a sustainable type, a quick spray provides smoothness, lubrication, and shine.

• Hardware Doors, Handles and Locks
• shutter
• Steel Door

Ideal for kitchens in restaurants, community centers, etc.! A versatile type that uses a framed design with a narrowed processing.

• Ventilation openings
• Ventilation and smoke exhaust equipment
• Air conditioning equipment

For flash-type doors! The gable-shaped louver structure makes it difficult for rain to enter indoors.

• Ventilation openings
• Ventilation and smoke exhaust equipment
• Air conditioning equipment

A simple round design that does not require a strong foundation! It alleviates cold from the floor below.

• Ventilation openings

We offer fixed and manual opening and closing types, as well as temperature-sensing types! Air filters are also adopted to prevent the dropping of waste and other debris.

• Ventilation openings
• Ventilation and smoke exhaust equipment
• Air conditioning equipment

Achieving free access and good visibility, while also preventing dangers such as collisions in advance.

• Other woodworking
• Large tents and tent warehouses
• Large tents and tent warehouses

Ventilation with a small window design! Three levels of air intake adjustment, capable of sealing.

• Ventilation openings
• Ventilation and smoke exhaust equipment
• Air conditioning equipment

Wood is the "eco-building material" of the environmental era. It has been proven by public institutions to have the highest level of performance as a window.

• Window and shutter openings

Installed on residential window sashes! Air supply vent for the ventilation system (individual ventilation).

• Ventilation openings
• Ventilation and smoke exhaust equipment
• Air conditioning equipment

We offer fixed and temperature-sensing types! Variations include square, pentagonal, and single-flow shapes.

• Ventilation openings
• Ventilation and smoke exhaust equipment
• Air conditioning equipment

By utilizing temperature difference ventilation, hot air is expelled from the ventilation openings near the ceiling!

• Ventilation openings
• Ventilation and smoke exhaust equipment
• Air conditioning equipment

By installing it on kitchen swing doors or sliding doors, you can eliminate insufficient air supply during the design phase!

• Ventilation openings
• Ventilation and smoke exhaust equipment
• Air conditioning equipment

Installed on frame-type and flush-type doors! H dimensions can be manufactured in 1mm increments.

• Ventilation openings
• Ventilation and smoke exhaust equipment
• Air conditioning equipment

Adopting insect-proof perforated metal! It can be operated for opening and closing from both the bathroom side and the dressing side.

• Ventilation openings
• Ventilation and smoke exhaust equipment
• Air conditioning equipment

No need for construction to make holes in the wall! No worries about installing furniture or appliances on the indoor side.

• Ventilation openings
• Ventilation and smoke exhaust equipment
• Air conditioning equipment