Introducing the powerful fire output OS hand burner Magnum!

Compact yet delivers 17,000 kcl/h of high power. Compatible with both propane gas and gas cartridges, featuring a one-touch ignition function.

last updated May 29, 2025

Balancing power and portability! Can-type gas cartridge "OS Hand Burner"

【Continuous burning time approximately 60 minutes】Can-type gas cylinder, no need for gas refilling! Also serves as an alternative to LP gas (propane) cylinders. *Exhibited at the Waterproof Technology Exhibition.

last updated May 29, 2025

【Labor Shortage Resolution】10-Year Warranty (with Extension) Modified Asphalt Waterproof Sheet

Since only the joints of the waterproof sheet are melted for joining, anyone can easily install it! Using a small burner, there is no need for gas refilling. *Shortens construction time and reduces costs.

last updated May 29, 2025

Waterproof construction method "OS-sheets Waterproof System" to improve productivity.

Realizing labor-saving and productivity improvement in construction! An environmentally friendly waterproofing construction system.

last updated May 29, 2025

Increase productivity in rooftop waterproofing work! For that, use the "OS-sheets Waterproofing System."

"Shortened construction period and increased productivity!" With a reassuring 10-year warranty. By shortening the construction period, we reduce construction costs and lessen the burden on residents!

last updated May 29, 2025

Achieve not only the resolution of labor shortages but also a reduction in construction time! The easy-to-install 'Waterproofing Construction System'.

Achieving labor-saving in construction! A rooftop waterproofing revolution that pursues "easy, fast, and safe" while ensuring quality. [NTEIS registered product]

last updated May 29, 2025

Lighten the burden of waterproofing work under the scorching sun! OS-sheets waterproofing system.

Reduce fire usage by 90% to improve harsh working conditions in summer! Suppressing fire also helps prevent heatstroke.

last updated May 29, 2025

"Hybrid Type Modified Asphalt Sheet Construction Method" *NETIS Registered

It will bring transformation to the processes of the "exposed roof waterproofing insulation construction method" and "exposed roof waterproofing insulation method" in the standard specifications for public building construction!

last updated May 29, 2025

Waterproof sheet with a safe design that is sealed during sheet installation.

You can achieve temporary waterproofing with a protective seal (self-adhesive seal), so you can feel secure even in sudden rain! It guards against not only rainwater but also the intrusion of flames.

last updated May 29, 2025

Modified asphalt waterproof sheet "OS-sheets"

Stop rainwater with the self-adhesive seal part! Waterproof sheet with joint watertightness.

last updated May 29, 2025

Features of OS-sheets

The conventional layering process has been shortened to one step! Sandwich structure of modified asphalt layer.

last updated May 29, 2025