It is used with single channel retainers and is pretty similar to the j type seal.
													
																	Garage door seal types. 
									
	
		
	
																	Action industries rodent block garage door bottom seal kit with l shaped 1 3 8 in. 
																	Also used in single channel retainers the j type creates two letter j s on both sides when the door is closed. 
																	Aluminum retainer and epdm rubber seal for 2 car garage model a13xt 18 a 2. 
																	The flexible material compresses when the door closes sealing the gap along the floor to keep out water dirt cold breezes and critters. 
															
													
									
	
		
	
																	Simple enough the t type seal is an inverted t. 
																	If you look carefully you can find the sealing on all four sides of the door along the edges. 
																	A garage door seal also known as weatherstripping or astragal is a type of sealing mechanism that closes the gap between the ground and the garage door. 
																	Also if you have a sloped driveway or an uneven garage floor and water is seeping under your garage door the door seal adds a 1 2 in. 
															
													
									
	
		
	
																	There are four main types of garage door bottom seals. 
																	Garage door seal replacement material is available in vinyl rubber double t bead and p end. 
																	The garage door bottom seal or door sweep is a long strip of rubber or vinyl that attaches to the bottom edge of the garage door. 
																	The garage door threshold seal creates a tight seal for your garage door which will keep leaves dirt water and snow from being blown under the garage door by the wind. 
															
													
									
	
		
	
																	Tall barrier to the garage floor.