Heat Mirror Solar Control 75 insulating glass suspends a clear, coated film between two panes of glass to reduce heat gain by more than 50 percent and to block 99.5 percent of ultraviolet radiation and reduce interior fading. Heat Mirror controls noise transmission, says the company, and is available in bronze, blue, green, clear, and gray. 650.962.9111. www.southwall.com. Circle 185.
