Exhibit 21.1
| State or Other | ||
| Jurisdiction | ||
Under the Laws of | ||
Subsidiaries of Owens Corning (12/31/11) | Which Organized | |
| CDC Corporation | Wisconsin | |
| Crown Mfg. Inc. | Ontario | |
| Dutch OC Cooperatief Invest U.A. | The Netherlands | |
| Engineered Pipe Systems, Inc. | Delaware | |
| EPS Holding AS | Norway | |
| Eric Company | Delaware | |
| European Owens Corning Fiberglas SPRL | Belgium | |
| FiberTEK Insulation, LLC | Florida | |
| FiberTEK Insulation West, LLC | Utah | |
Instalaciones Especializadas en Confort Termoacustico y Ampliacion, S. de R.L. de C.V. | Mexico | |
| IP Owens Corning I, S. de R.L. de C.V. | Mexico | |
| IPM Inc. | Delaware | |
| Modulo SAS | France | |
| Norske EPS BOT AS | Norway | |
| OC Belgium Invest SPRL | Belgium | |
| OC Canada Finance Inc. | Canada | |
| OC Canada Holdings Company | Nova Scotia | |
| OC Canada Holdings General Partnership | Delaware | |
| OC Celfortec Company | Nova Scotia | |
| OC NL Invest Cooperatief U.A. | The Netherlands | |
| OC PRO CV | The Netherlands | |
| OCCV1, Inc. | Delaware | |
| OCCV2, LLC | Delaware | |
| OCV (Thailand) Company Limited | Thailand | |
| OCV Chambéry France | France | |
| OCV Chambéry International | France | |
| OCV Composites (China) Co., Ltd. | China | |
| OCV Czech Sro | Czech Republic | |
| OCV Distribution ANZ Pty-Limited | Australia | |
| OCV Fabrics (Changzhou) Co., Ltd. | China | |
| OCV Fabrics UK Ltd. | United Kingdom | |
| OCV Finance, LLC | Delaware | |
| OCV Holdings Belgium Sprl | Belgium | |
| OCV Intellectual Capital, LLC | Delaware | |
| OCV Italia Srl | Italy | |
| OCV Mexico S. de R.L. de C.V. | Mexico | |
| OCV Reinforcements (Beijing) Co., Ltd. | China | |
| OCV Reinforcements (Hangzhou) Co., Ltd. | China | |
| OCV Reinforcements Alcala Spain, S.L. | Spain | |
| OCV Reinforcements Manufacturing Private Ltd. | India | |
| OCV Revetex Srl | Italy | |
| OCV Servicios Mexico, S.A. de C.V. | Mexico | |
| OCV Steklovolokno OAO | Russia | |
| Owens Corning (China) Investment Company, Ltd. | China | |
| Owens Corning (Guangzhou) Fiberglas Co., Ltd. | China | |
| Owens Corning (Japan) Co., Ltd. | Japan |
| Owens Corning (Jiangyin) Building Materials Co., Ltd. | China | |
| Owens Corning (Nanjing) Building Materials Co., Ltd. | China | |
| Owens Corning (Shanghai) Fiberglas Co., Ltd. | China | |
| Owens Corning (Shanghai) Trading Co., Ltd. | China | |
| Owens Corning (Singapore) Pte Ltd | Singapore | |
| Owens Corning (Tianjin) Building Materials Co., Ltd. | China | |
| Owens Corning (Xi’an) Building Materials Co., Ltd. | China | |
| Owens Corning Alloy Canada GP Inc. | Canada | |
| Owens Corning Alloy Canada LP | Manitoba | |
| Owens Corning Argentina Sociedad de Responsabilidad Limitada | Argentina | |
| Owens Corning (Australia) Pty Limited | Australia | |
| Owens Corning Automotive (UK) Ltd. | United Kingdom | |
| Owens Corning BM (Korea), Ltd | Korea | |
| Owens-Corning Britinvest Limited | United Kingdom | |
| Owens Corning Building Materials Romania SRL | Romania | |
| Owens Corning Canada GP Inc. | Canada | |
| Owens Corning Canada Holdings B.V. | The Netherlands | |
| Owens Corning Canada LP | Manitoba | |
| Owens Corning Cayman (China) Holdings | Cayman Islands | |
| Owens-Corning Cayman Limited | Cayman Islands | |
| Owens Corning Celfortec Canada GP Inc. | Canada | |
| Owens Corning Celfortec LP | Manitoba | |
| Owens Corning Composite Materials, LLC | Delaware | |
| Owens Corning Composite Materials Canada GP Inc. | Nova Scotia | |
| Owens Corning Composite Materials Canada LP | Manitoba | |
| Owens Corning Construction Services, LLC | Delaware | |
| Owens Corning Elaminator Insulation Systems, LLC | Delaware | |
| Owens Corning Enterprise (India) Pvt. Ltd. | India | |
| Owens Corning Fabwel, LLC | Delaware | |
| Owens Corning Fiberglas A.S. Limitada | Brazil | |
| Owens Corning Fiberglas S.R.L. | Uruguay | |
| Owens-Corning Fiberglas Deutschland GmbH | Germany | |
| Owens Corning Fiberglas Espana, SL | Spain | |
| Owens Corning Fiberglas France | France | |
| Owens-Corning Fiberglas (G.B.) Ltd. | United Kingdom | |
| Owens-Corning Fiberglas (U.K.) Pension Plan Ltd. | United Kingdom | |
| Owens Corning Financial Services ULC | Nova Scotia | |
| Owens Corning Foam Insulation, LLC | Delaware | |
| Owens Corning Franchising, LLC | Delaware | |
| Owens-Corning Funding Corporation | Delaware | |
| Owens Corning Holdings 1 CV | The Netherlands | |
| Owens Corning Holdings 3 CV | The Netherlands | |
| Owens Corning Holdings 4 CV | The Netherlands | |
| Owens Corning Holdings 5 CV | The Netherlands | |
| Owens Corning Holdings Holland B.V. | The Netherlands | |
| Owens Corning HOMExperts, Inc. | Delaware | |
| Owens Corning Hong Kong Limited | Hong Kong | |
| Owens Corning HT, Inc. | Delaware | |
| Owens-Corning (India) Private Limited | India | |
| Owens Corning Insulating Systems, LLC | Delaware | |
| Owens Corning Insulating Systems Canada GP Inc. | Canada | |
| Owens Corning Insulating Systems Canada LP | Manitoba | |
| Owens Corning Intellectual Capital, LLC | Delaware |
| Owens Corning International Holdings C.V. | The Netherlands | |
| Owens Corning Korea | Korea | |
| Owens Corning Living Solutions, Inc. | Delaware | |
| Owens Corning Manufacturing Limited | Japan | |
| Owens Corning Mexico, S. de R.L. de C.V. | Mexico | |
| Owens Corning Receivables LLC | Delaware | |
| Owens Corning Remodeling Canada GP Inc. | Canada | |
| Owens Corning Remodeling Canada LP | Manitoba | |
| Owens Corning Remodeling Systems, LLC | Delaware | |
| Owens Corning Roofing and Asphalt, LLC | Delaware | |
| Owens Corning Sales, LLC | Delaware | |
| Owens Corning Science and Technology, LLC | Delaware | |
| Owens Corning Sunrooms Franchising, LLC | Delaware | |
| Owens-Corning Sweden AB | Sweden | |
| Owens Corning U.S. Holdings, LLC | Delaware | |
| Owens-Corning Veil Netherlands B.V. | The Netherlands | |
| Owens-Corning Veil U.K. Ltd. | United Kingdom | |
| Soltech, Inc. | Kentucky | |
| Tecnologia Owens Corning I, S. de R.L. de C.V. | Mexico |