W x 4 in.
													
																	Modular concrete black wall. 
									
	
		
	
																	This article surveys the choices and explains the options. 
																	Minimum concrete clear cover to reinforcement shall be 1 5 in. 
																	Refer to manufacturer s specifications for pmb tolerances. 
																	Entrained air content shall be between 5 and 7. 
															
													
									
	
		
	
																	L x 12 in. 
																	Ft pack model 3000180 211 00 211 00. 
																	Each block is made from wet cast air entrained concrete with a minimum psi of 3 000 for incredible strength and durability that exceeds industry standards. 
																	H bluestone tumbled concrete garden wall block 20 pieces 6 5 sq. 
															
													
									
	
		
	
																	They are produced from a carefully controlled mixture of quality aggregates and cement to bring you a premier block designed to the highest standards of dimensional accuracy. 
																	Concrete for precast modular unit shall have a minimum 28 day compressive strength of 4 000 psi. 
																	By the diy experts of the family handyman magazine. 
																	Modular interlocking concrete blocks we manufacture and install precast concrete interlocking megablocks. 
															
													
									
	
		
	
																	With a standard face size of 48 x 16 place just one block and you have installed 5 33 sq. 
																	Rockwood retaining walls lakeland i 8 in. 
																	Modular concrete blocks for retaining walls and garden projects are available in a huge range of styles and prices. 
																	Reinforcing steel if used shall be grade 60. 
															
													
									
	
		
	
																	Set your store to see local availability add to cart.