VELUX offers the best product warranties in the industry with the tube lining guaranteed not to discolor, fade, or delaminate for 20-Years! Sun4LIght offers a 10-Year NO Leak Original Installation Warranty. One 14- TMR/TGR unit is 3.9 times brighter than a 100-watt light bulb and illuminates 325 square feet (about the area of a parking space) of living space. The following photos show typical installations of single units.
