I wanna install a roofing at my backyard, i wanna maximize as much as light as possible and if possibly minimize heat as well. Which materials are good and lower cost? Is polycarbonate good? I need the awning as least 7-8 feet, is it need a pillar to support?

This post has been edited by echoesian: Jul 2 2016, 04:52 PM

Can I ask if a technician can stand to service air-con compressor on a 1.25" x 1.25" steel rod supported polycarbonate roof?