Not quite, a gasket is a seal, to make the gap between fan and surface airtight. The spacer/bracket is generally referred to as a shroud.
True that was my fault jumping to the shrouds, my bad. Though both are good ideas if you can fit them.
Anyway, get the pics up with the red dye in

	
 
 
	
	
  Though has given me an idea of how to run my loop