Summer Heatwave, Expanding Heatstroke Countermeasure Products - Launching "Thermo Barrier Sky Method" for Roof Heat Shielding

Ishizuka Co., Ltd. (Headquarters: Chiyoda-ku, Tokyo; President: Hiroshi Kumagai; hereinafter "the Company"), which is committed to improving workplaces and the environment with plastic products such as vinyl curtains, will begin sales of its roof heat-shielding solution "Thermo Barrier Sky Method" this May.

In recent years, against the backdrop of normalized extreme heat and soaring energy costs, the importance of "heat countermeasures" and "energy-saving measures" in factories, warehouses, and commercial facilities has rapidly increased. In particular, radiant heat entering through roofs is a major factor causing the risk of heatstroke for employees, decreased air conditioning efficiency, and deterioration of the working environment, also impacting safety and productivity.

To address these challenges, the "Thermo Barrier Sky Method" provided by our company is a construction method that significantly reflects radiant heat from the sun and suppresses temperature rise inside buildings by installing a heat-shielding sheet made of high-purity aluminum material on the roof surface. This simultaneously achieves heatstroke prevention, improvement of work efficiency, reduction of electricity costs by alleviating air conditioning load, and improvement of employee satisfaction.

"Thermo Barrier Sky Method"

■ Features of "Thermo Barrier Sky Method"

・High heat-shielding performance: Reflects approximately 97% of radiant heat, suppressing indoor temperature rise.

・Energy-saving effect: Reduces electricity costs by decreasing air conditioning usage.

・Ease of installation: Can be installed without stopping operations inside the factory. Achieves short-term construction.

・Wide range of applications: Compatible with factories, warehouses, logistics facilities, commercial facilities, etc.

・Uses a sheet certified for fire spread based on the Building Standards Act (Certification No.: DR-2073).

■ "Thermo Barrier Sky Method" - A new construction method that solves the challenges of heat-shielding paint

By using a special sheet (Sky Sheet) made of 99% pure aluminum foil, which has excellent performance in reflecting radiant heat, approximately 97% of radiant heat from the sun is cut. It suppresses the temperature rise of folded plate roofs, significantly reduces radiant heat from folded plate roofs into the building interior, and suppresses indoor temperature rise.

With heat-shielding paint, variations in heat-shielding effect occur due to uneven coating caused by the skill of the worker. However, the "Thermo Barrier Sky Method" exhibits a uniform heat-shielding effect regardless of the skill level of the worker or the weather conditions during work.

■ About the heat-shielding effect

When installed on the roof of a stationery manufacturing factory, a temperature difference of 11.3°C was observed before and after installation.

About the heat-shielding effect

■ Main uses and purposes

・Heatstroke countermeasures for factories and warehouses

・Improvement of air conditioning efficiency in factories and warehouses

・Improvement of employee satisfaction in factories and warehouses

・Improvement of work efficiency in factories and warehouses

・Measures against deterioration of inventory caused by heat

・Also effective for rain leakage countermeasures

■ Price information

We will provide a quotation after an on-site survey.

*If you have on-site photos and overhead views, we may be able to provide a rough estimate before the on-site survey, so please consult us.

*On-site surveys are free of charge.

■ Estimated construction period (from start of work)

Construction area 50㎡: Approx. 2-4 days

200㎡: Approx. 4-7 days

500㎡: Approx. 7-14 days

1,000㎡: Approx. 12-16 days

2,000㎡: Approx. 20-30 days

*The above may vary depending on construction environment, folded plate type, weather, and other conditions, so there is a possibility of extension.

*This is the period from the start of work. It does not include the material preparation period.

*The Sky Method can be installed without removing existing roofs, so work can be done without stopping factory or warehouse operations.

■ Other Thermo Barrier series product lineup

(1) Thermo Barrier Fit

By covering machinery and furnaces in factories with Thermo Barrier Fit, the heat emitted from them is blocked, improving harsh working environments.

There are cases where covering a cupola (iron melting furnace) with a surface temperature exceeding 200°C with Thermo Barrier Fit resulted in a surface temperature of 25°C, and heat was no longer felt during work in the vicinity. Certified non-combustible by the Minister of Land, Infrastructure, Transport and Tourism (NM-5169).

https://ishizuka-net.co.jp/contents/detail/458/

(2) Thermo Barrier S

This is a sheet that combines insulation and radiant heat reflection properties, with aluminum foil applied to both sides of air cap. By installing it on ceilings, walls, and floors, it reflects radiant heat from outside in summer to prevent indoor temperature rise, and reflects internal heat inwards in winter to maintain indoor warmth. Certified non-combustible by the Minister of Land, Infrastructure, Transport and Tourism (NM-2805).

https://ishizuka-net.co.jp/contents/detail/557/

Reference)

Here is some reference data on the recent extreme heat situation and its potential impacts.

■ Average number of extreme heat days in 11 major cities nationwide *Calculated from past data by the Japan Meteorological Agency

2015 (Heisei 27): 7.3 days

2024 (Reiwa 6): 28.5 days (approximately 4 times increase in 10 years)

*Extreme heat day: A day when the maximum temperature is 35°C or higher.

■ May-September