Building Materials

Our Building Materials business supplies housebuilding-related products—which are developed with a focus on fireproofing, ventilation, and waterproofing, and by utilizing our unique forming technologies to roll, bend, and press metals—to manufacturers of housing fixtures/equipment etc. Our product portfolio—including the ventilating and fire-resistant corner bead, exterior products such as stainless steel handrails and mailboxes, and pent roofs for homes—is trusted by many customers, including major housebuilders.

Furthermore, our metal bending technology also feature in development of new products, such as heat exchangers that efficiently remove the heat accumulating inside electrical equipment, etc.

Fireproof ventilation

Metal material that provides ideal ventilation for the underside of eaves, thus making homes more durable


Simple and functional eaves that are perfect for the modern home


A classy handrail with stainless steel.


A functional mailbox with a simple design

Pipe space cover
(Piping blindfold cover)

Components to hide piping and other components for a clean exterior design.