I use syicky backs all the time in my job as an electrician.  But, I woundlt use the foam backed, self adhesive ones.  Not sure what ashesive is on there, or if there is a anti mold agent or whatnot.  Just the bare ones with silicone to attach would be a gaeantee safe 
		
	
		
		
		
		
		
	
		
		
	
	
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