You can deal with door jambs by trimming the molding that conceals the.
													
																	Laminate under door trim. 
									
	
		
	
																	Using a framing square measure the depth of your door jamb by sliding the square under the newly cut gap until the tool hits the door frame or stud. 
																	The 1 2 inch gap is for the doorway only. 
																	If there s a gap under your door casing and also a gap between two rooms under a door where two different installations of laminate flooring join you can install t molding to hide both gaps. 
																	Measure on the inner jamb as well as both sides of the door where the trim is located. 
															
													
									
	
		
	
																	Note that you will leave the standard 1 4 inch expansion gap on either side of the doors. 
																	Install the last row of laminate flooring stopping 1 2 inch from the bottom edge of the patio doors.