Flooring installers do this by tapping a makeshift tongue called a spline or slip tongue into the grooves of the boards in the first course.
													
																	Making hardwood flooring splines. 
									
	
		
	
																	Butâ now imagine putting a lot of stress on a miterâ joint assembled with a thin long grainâ spline. 
																	Each individual spline is 1 4 in. 
																	Parallel wall lines to the flooring direction is where we need to be square. 
																	3 1 4 3 4 4. 
															
													
									
	
		
	
																	Width x 42 in. 
																	Our hardwood floor spline sliptongue is made from domestic hardwoods. 
																	Packaged 10 per pack. 
																	A change in direction refers to the positioning of the tongue and groove joints between each adjacent plank. 
															
													
									
	
		
	
																	The easiest way to make a hardwood spline is to simply rip a thin strip from a board. 
																	Our sliptongue is produced using either red oak or poplar depending on availability. 
																	Thickness x 1 2 in. 
																	Length x 1 2 in. 
															
													
									
	
		
	
																	Measure from one corner of the starting wall out the same width of your flooring then add the recommended expansion gap equal to the thickness of the flooring make a check mark on the measurement. 
																	While in the first room the grooves on each plank might point away from the door a transition allows that direction to change and the grooves to point the. 
																	Width x 1 4 in. 
																	3 4 x 3 1 4 would be. 
															
													
									
	
		
	
																	Hardwood floor spline is used for a transition piece in tongue and groove flooring when changing the direction of the hardwood floor. 
																	36 â sold individually or by the pack. 
																	Spline dimensions are 42 in. 
																	A successful hardwood floor transition requires one of two different joints in order to change the direction of the planks. 
															
													
									
	
		
	
																	The best way to make a hardwood spline is shown in the drawings at right. 
																	1 snap a straight line to mark the first course of.