Glass Insulation Low E Vs Tempered. Can allow the sun’s rays to pass through the glass.
        
        
        
        from glassed.vitroglazings.com
    
        
        Can allow the sun’s rays to pass through the glass.
    
    	
            
	
		
	
        
    Heat Strengthened vs. Tempered Glass
    Glass Insulation Low E Vs Tempered Can allow the sun’s rays to pass through the glass. Can allow the sun’s rays to pass through the glass.