Housing and construction materials(Industrial Products Company)

For inquiries about material, processing technology and/or applications, contact:

For more information on research and development at INOAC, visit:

For detailed information on housing and construction materials, visit:

Housing & Construction Materials Company

Persistence without limit—INOAC as a total solution company of housing and construction materials

About half a century has passed since INOAC entered the piping material business in 1960. Times have been changing rapidly since those days. Under such circumstances, INOAC intends to continuously conduct new trials, presenting creative ideas free from stereotypes and with the pioneering spirit to pursue new businesses, while learning from the achievements of earlier generations. To realize healthy, comfortable and safe living environments and office environments, INOAC supplies many product lines that are high-quality and diverse. To realize labor-saving installation, excellent energy efficiency and durability, INOAC intends to contribute toward the realization of a better, sustainable society through housing and construction materials.

Major products

Piping for water supply, hot-water supply and warm-water room heating
Polyethylene pipes
Hot- and cold-insulation piping materials
Warm-water room-heating and snow-melting system
Air conditioning related components

Piping for water supply, hot-water supply and warm-water room heating

	INOAC supplies energy-efficient, easy-to-install products, including cross-linked polyethylene pipes that feature heat resistance and long durability. Cross-linked polyethylene pipes for water and hot-water systems Insulated copper tubes for hot-water and room-heating systems Cross-linked polyethylene pipes for hot-water room heating and bath-water reheating systems Coated copper tubes for bath-water reheating and hot-water room heating systems Bath-water reheating piping materials For more information, visit the Housing & Construction Materials Company web site: (Japanese)

INOAC supplies energy-efficient, easy-to-install products, including cross-linked polyethylene pipes that feature heat resistance and long durability.

Cross-linked polyethylene pipes for water and hot-water systems
Insulated copper tubes for hot-water and room-heating systems
Cross-linked polyethylene pipes for hot-water room heating and bath-water reheating systems
Coated copper tubes for bath-water reheating and hot-water room heating systems
Bath-water reheating piping materials

For more information, visit the Housing & Construction Materials Company web site: (Japanese)

Polyethylene pipes

	Polyethylene pipes with many advantages, such as low-temperature resistance, impact resistance and chemical resistance These pipes can be used for many applications, such as for household water supply systems, small water supply systems and water heaters, as well as for industrial applications such as civil engineering, agriculture and manufacturing. Two-layer pipes for water-system, general-purpose pipes, and high-pressure pipes Polyethylene-coated gasoline and kerosine resistant pipes Pipes for hot-spring-water introduction and closed conduit drain pipes For more information, visit the Housing & Construction Materials Company web site (Japanese)

Polyethylene pipes with many advantages, such as low-temperature resistance, impact resistance and chemical resistance
These pipes can be used for many applications, such as for household water supply systems, small water supply systems and water heaters, as well as for industrial applications such as civil engineering, agriculture and manufacturing.

Two-layer pipes for water-system, general-purpose pipes, and high-pressure pipes
Polyethylene-coated gasoline and kerosine resistant pipes
Pipes for hot-spring-water introduction and closed conduit drain pipes

For more information, visit the Housing & Construction Materials Company web site (Japanese)

Hot- and cold-insulation piping materials

	INOAC supplies environmentally friendly products that are designed to enable easy installation, while providing them with heat and thermal insulation characteristics of such materials as rigid urethane foam, isocyanurate foam, polyethylene foam and EPDM foam. Rigid urethane foam Isocyanurate foam Polyethylene foam EPDM foam For more information, visit the Housing & Construction Materials Company web site.(Japanese)

INOAC supplies environmentally friendly products that are designed to enable easy installation, while providing them with heat and thermal insulation characteristics of such materials as rigid urethane foam, isocyanurate foam, polyethylene foam and EPDM foam.

Rigid urethane foam
Isocyanurate foam
Polyethylene foam
EPDM foam

For more information, visit the Housing & Construction Materials Company web site.(Japanese)

Warm-water room-heating and snow-melting system

	INOAC supplies environment-friendly, easy-to-install system products and cross-linked polyethylene pipes that feature excellent long-term heat resistance and durability. Underground heat-exchange system pipes Hot-water floor-heating system Hot-water snow-melting system Cross-linked polyethylene pipes for hot-water heating For more information, visit the Housing & Construction Materials Company web site. (Japanese)

INOAC supplies environment-friendly, easy-to-install system products and cross-linked polyethylene pipes that feature excellent long-term heat resistance and durability.

Underground heat-exchange system pipes
Hot-water floor-heating system
Hot-water snow-melting system
Cross-linked polyethylene pipes for hot-water heating

For more information, visit the Housing & Construction Materials Company web site. (Japanese)

Air conditioning related components

	INOAC supplies many value-added products, including insulated copper pipes for air conditioning, easy-to-install fire protection vents, and cosmetic cases for air-conditioner pipelaying use designed in consideration of appearance and extended product service life. Air conditioning copper pipes Fire-preventive through-wall components Case-enclosed duct series for use with indoor and outdoor air conditioning For more information, visit the Housing & Construction Materials Company web site. (Japanese)

INOAC supplies many value-added products, including insulated copper pipes for air conditioning, easy-to-install fire protection vents, and cosmetic cases for air-conditioner pipelaying use designed in consideration of appearance and extended product service life.

Air conditioning copper pipes
Fire-preventive through-wall components
Case-enclosed duct series for use with indoor and outdoor air conditioning

For more information, visit the Housing & Construction Materials Company web site. (Japanese)

Various products available from Housing & Construction Materials Company

As a total solution supplier regarding housing environment, INOAC supplies various products and services. Catalogs are available on the Internet.

For more information, visit the Product Information page of the Housing & Construction Materials Company web site. (Japanese)

For inquiries about material, processing technology and/or applications, contact:

For inquiries on research and development
at INOAC, visit: