1-Tsubo (approx. 3.3 m2) Guard Box

Ideal for preventing work incidents, such as heatstroke.
Solar power systems can also be installed on existing facilities.

Preventing workplace accidents, optimizing working environment conditions, and building good workplaces

Every year, fatal accidents occur during the summer at construction sites, parking lots, and event venues due to heatstroke suffered by security guards, workers, and guides while on the job.

In addition to the intense heat from the sun during the day, road surfaces can reach temperatures of 40 to 50 °C. Even a few hours of work can be extremely dangerous, potentially leading to a loss of the body’s ability to regulate temperature or elevated body or brain temperatures caused by damage to the central nervous system.

The Ministry of Health, Labour and Welfare’s “Workplace Safety Site” states, “An air-conditioned rest area and facilities, large enough for a person to lie down, must be provided at or near the worksite.”

Use this Guard Box to ensure the workers’ safety and prevent accidents.

The Guard Box operates without a commercial power supply. The air conditioner and personal computers can be used as soon as installation is completed.

The Guard Box features insulation made of metal siding, with 15 mm rigid urethane foam as the core material.

In-situ rigid urethane foam is sprayed at the site onto the four walls and ceiling in a thickness of 25 mm, providing excellent thermal insulation.

The indoor temperature of the Guard Box is automatically adjusted to between 24°C and 27°C during summer, ensuring worker safety and preventing heatstroke and other workplace accidents.

The Guard Box can be used for various purposes, including workplace rest areas, security guard rest areas, and lifeguard huts at beaches.

In-situ foamed rigid urethane foam [Insulation material]

• Excellent thermal insulation properties
  The bubble structure created by urethane resin provides excellent thermal insulation performance. The non-fluorocarbon type traps air within the bubbles, ensuring a consistent thermal insulation performance over time.
• Seamless insulation layer
  With conventional insulation methods, seams are unavoidable, allowing heat and water vapor to enter the building. This can lead to condensation and heat loss. By using the spray method, an insulation layer without seams is created.
• Excellent water and moisture resistance
  The foam is made up of independent air bubbles, so it absorbs very little water and allows minimal moisture penetration.

In-situ foamed rigid urethane foam is applied onto the four walls and the ceiling.

The use of spray and injection methods allows for the creation of a gap-free insulation layer. This superior thermal insulation performance provides excellent heat insulation and prevents dew condensation.

The in-situ foamed rigid urethane foam is applied by spraying the undiluted solution onto the target surfaces with a specialized foaming machine and spray gun.

As soon as the foam is sprayed onto the target, it adheres firmly to the target surfaces and immediately expands and hardens.

The thickness of the foam can be easily adjusted by applying it in layers.

Additionally, the non-fluorocarbon foam is eco-friendly, as it does not contribute to ozone depletion or global warming.

Windproof, waterproof, moisture-permeable sheets

Moisture-permeable waterproof sheets combine waterproofing properties to prevent rainwater from infiltrating the building and moisture permeability to allow moisture within the walls to escape outside. These sheets are installed between the exterior wall material and insulation material throughout the house.

By preventing outside air from entering the building, these moisture-permeable waterproof sheets help maintain the insulation performance of the insulation material.

Heat-shielding, high-insulation type Low-E double-glazed glass [Window glass]

Double-glazed glass for preventing dew condensation

Windows featuring low-emissivity double-glazed glass with a special metallic film (Low-E film) coated on plate glass are installed.

The air gap between the glass layers provides heat insulation and enhances its effectiveness.

In the summer, the windows reduce hot sunlight, improving the cooling effect. In winter, they provide effective heat insulation.

House specifications

Construction	Angular steel tubes, lightweight structural steel
Outer dimensions	3,200(W)×1,710(D)×2,728(H) (including solar panels)
Ceiling height	CH=2,310
Surface area	3.25 m²
Weight	980 kg (including solar panels)
Wall material	Exterior walls: Metal siding, Interior walls: Printed plywood
Ceiling	Printed plywood
Roof	Prepainted steel sheets (with condensation prevention agent)
Floor	Prepainted waterproof plywood (with insulation material)
Insulation	25 mm in-situ foamed rigid urethane foam (sprayed on ceiling and walls)
Fixtures	Flush door, aluminum sash windows
Equipment	LED lighting, ventilator, ventilation port, breaker, wall outlet, LED sign panel

Electrical specifications (for 3.3 m² size)

Maximum solar panel output	960 W
Average expected daily power generation	Approx. 3 kWh (summer)/approx. 2 kWh (winter)
Cell type	Monocrystalline silicon
Controller	Charging management / backflow prevention
Solar panel charging method	MPPT (Maximum Power Point Tracking)
Storage battery type	Sealed battery
Environmental temperature	-10 to 45°C (with no condensation)
AC output	Single-phase 100V, 30A
Output waveform	Sine wave
Display unit (LCD)	Storage battery charge amount (%), main power supply (ON/OFF)

Options

Choose from a variety of metal siding and ceramic siding exterior wall samples to suit the application and preference. (The photo is an example.)

* The detailed specifications of the product are subject to change.