Specimen Common Stock Certificate



 Exhibit 4.2 
  


			
	NUMBER	  	SHARES
		
	[SYMBOL]	  	 

  
 BUILDER ACQUISITION
CORP. 
  
 INCORPORATED UNDER THE LAWS OF THE STATE OF
DELAWARE 
  
 COMMON STOCK 
  
 SEE REVERSE FOR 
 CERTAIN DEFINITIONS 
  

			
	This Certifies that	  	CUSIP _________________
		
	is the owner of	  	 

  
 FULLY PAID AND
NON-ASSESSABLE SHARES OF THE PAR VALUE OF $.0001 EACH OF THE COMMON STOCK 
 OF 
  
 BUILDER ACQUISITION CORP. 
  
 transferable on the books of the Corporation in person or by duly
authorized attorney upon surrender of this certificate properly 
 endorsed. This certificate is not valid unless countersigned by the
Transfer Agent and registered by the Registrar. Witness the seal of 
 the Corporation and the facsimile signatures of its duly
authorized officers. 
  

					
	Dated:	  	BUILDER ACQUISITION CORP.	 	 
			
	 	  	CORPORATE	 	 
	 	  	SEAL	 	 
	 	  	2006	 	 
			
	 	  	DELAWARE	 	 
	 CHAIRMAN
	  	 	 	 SECRETARY









 The following abbreviations, when used in the inscription on the face of this certificate, shall be construed as though
they were written out in full according to applicable laws or regulations: 
  

									
	TEN COM –	  	as tenants in common	  	UNIF GIFT MIN ACT                 Custodian
	TEN ENT –	  	as tenants by the entireties	  	 	  	             (Cust)
	  	(Minor)
	JT TEN –	  	as joint tenants with right of survivorship	  	under Uniform Gifts to Minors Act
	 	  	and not as tenants in common	  	 	  	_____________________
				
	 	  	 	  	 	  	(State)

  
 Additional
Abbreviations may also be used though not in the above list. 
  
 BUILDER ACQUISITION CORP. 
  
 The Corporation will furnish without
charge to each stockholder who so requests the powers, designations, preferences and relative, participating, optional or other special rights of each class of stock or series thereof of the Corporation and the qualifications, limitations, or
restrictions of such preferences and/or rights. This certificate and the shares represented thereby are issued and shall be held subject to all the provisions of the Certificate of Incorporation and all amendments thereto and resolutions of the
Board of Directors providing for the issue of shares of Preferred Stock (copies of which may be obtained from the secretary of the Corporation), to all of which the holder of this certificate by acceptance hereof assents. 
  
 For value received,
                                        
                     hereby sell, assign and transfer unto 
  
 PLEASE INSERT SOCIAL SECURITY OR OTHER 
 IDENTIFYING NUMBER OF ASSIGNEE 
  
  
  
 (PLEASE PRINT OR TYPEWRITE NAME AND ADDRESS, INCLUDING ZIP CODE, OF ASSIGNEE) 
  
  
  
 shares 
  
 of the capital stock represented by the within Certificate, and do hereby irrevocably
constitute and
appoint                                       
     
                                        
                                        
                                        
                                        
                     Attorney to transfer the said stock on the books of the within named Corporation will full power of substitution in the premises.

  
 Dated
                         
  

			
		
	 	 	 
	Notice: 	 	The signature to this assignment must correspond with the name as written upon the face of the certificate in every particular, without alteration or enlargement or any change
whatever.


  

	Signature(s)	Guaranteed: 


			
		
	  	 	  
	THE SIGNATURE(S) SHOULD BE GUARANTEED BY AN ELIGIBLE GUARANTOR INSTITUTION (BANKS, STOCKBROKERS, SAVINGS AND LOAN ASSOCIATIONS AND CREDIT UNIONS WITH MEMBERSHIP IN AN APPROVED
SIGNATURE GUARANTEE MEDALLION PROGRAM, PURSUANT TO S.E.C. RULE 17Ad-15).

  
 The holder of this certificate shall
be entitled to receive funds from the trust fund only in the event that Builder Acquisition Corp. is liquidated because it does not consummate a business combination or the holder seeks to convert his respective shares into cash upon a business
combination which he voted against and which is actually completed by the Company. In no other circumstances shall the holder have any right or interest of any kind in or to the trust fund.