EXHIBIT NO. 21
                             (as of January 1996)

 
 
                                                             Jurisdiction of
Domestic Subsidiaries                                         Incorporation
- ---------------------                                        ---------------
                                                           
ArmStar (50%-owned unincorporated affiliate)
Armstrong Cork Finance Corporation                             Delaware    
Armstrong Enterprises, Inc.                                    Vermont     
Armstrong Industrial Specialties, Inc.                         Pennsylvania
Armstrong Industrial Specialties International, Inc.           Nevada      
Armstrong Realty Group, Inc.                                   Pennsylvania
Armstrong Ventures, Inc.                                       Delaware    
Armstrong World Industries Asia, Inc.                          Nevada      
Armstrong World Industries (Delaware) Inc.                     Delaware    
Armstrong World Industries Latin America, Inc.                 Nevada      
A W I (NEVADA), INC.                                           Nevada      
Charleswater Products, Inc.                                    Delaware    
Chemline Industries, Inc.                                      Delaware    
IWF, Inc.                                                      Nevada      
I.W. Insurance Company                                         Vermont     
The W. W. Henry Company                                        California   
The Worthington Armstrong Venture (50%-owned unincorporated
 affiliate)

Foreign Subsidiaries
- --------------------

Alphacoustic (UK) Ltd.                                         England                    
Armstrong-ABC Co., Ltd.                                        Japan                      
Armstrong Architectural Products S.L.                          Spain                      
Armstrong Building Products                                    England                    
Armstrong Building Products B.V.                               Netherlands                
Armstrong Building Products G.m.b.H.                           Germany                    
Armstrong Cork (Ireland) Limited                               Ireland                    
Armstrong Europa G.m.b.H.                                      Germany                    
Armstrong Europe Services                                      England                    
Armstrong Floor Products Europe G.m.b.H.                       Germany                    
Armstrong Floor Products Europe Ltd.                           England                    
Armstrong Floor Products Europe Sarl.                          France                     
Armstrong FSC, Ltd.                                            Bermuda                    
Armstrong Insulation (Panyu) Co. Ltd.                          People's Republic of China 
Armstrong Insulation Products                                  England                    
Armstrong Insulation Products A.G.                             Switzerland                
Armstrong Insulation Products Benelux, S.A.                    Belgium                    
Armstrong Insulation Products S.A.                             Spain                      
Armstrong Insulation Products Sp. zo.o.                        Poland                     
Armstrong Insulation Rus.                                      Russia                     
Armstrong (Japan) K.K.                                         Japan                      
Armstrong Metal Ceilings Ltd.                                  England                    
Armstrong-Nylex Pty. Ltd.                                      Australia                  
Armstrong (Singapore) Pte. Ltd.                                Singapore                  
Armstrong World Industries - A.C.I. B.V.                       Netherlands                
Armstrong World Industries Canada Ltd.                         Canada                     
Armstrong World Industries (China) Ltd.                        People's Republic of China 
Armstrong World Industries de Mexico, S.A. de C.V.             Mexico                     
Armstrong World Industries - France, S.A.                      France                     
Armstrong World Industries, G.m.b.H.                           Germany                    
Armstrong World Industries (H.K.) Limited                      Hong Kong                  
Armstrong World Industries Italia S.r.l.                       Italy                      
Armstrong World Industries Korea, Ltd.                         Korea                      
Armstrong World Industries Ltd.                                England                     
 

 
 
                                                           
Armstrong World Industries - Pontarlier S.A.                   France
Armstrong World Industries Pty. Ltd.                           Australia
Armstrong World Industries (Thailand) Ltd.                     Thailand
Inarco Limited (50%-owned affiliate)                           India
ISA Co., Ltd. (25%-owned affiliate)                            Japan
ISO Holding, A.G.                                              Switzerland
Liberty Commercial Services Ltd.                               Bermuda
Recubrimientos Interceramic S.A. de C.V.                       Mexico
     (49%-owned affiliate)
Worthington Armstrong Metal Products Co. (Shanghai) Ltd.       People's Republic of China
Worthington Armstrong Venture Europe S.A. (owned by WAVE)      France