1. Ceiling materials: a. High strength Hollow polycarbonate panel with 8mm thick. b. allows 5 years guarantee. c. Impact resistance: Polycarbonate panel when the impact strength of 250 times of common glass. It's so call non-broken glass,
no harmful. d. Flame retardant: according to the national GB8624-97 test flame retardant B1 level, no fire, no poison. e. Temperature resistance: Within the scope and -40 to +120 degrees Celsius, no deformation or degradation phenomenon. f. UV protection on the surface, can withdrawn 98% UV rays from sun, means that lounging outside on a sunny day is both enjoyable and safe for your family, but will also protect your garden furniture,BBQ and other belongings all year round. g. Blue, brown, green, white and black colors available, or customized color. 2. Aluminum Frame: a. 3mm thick aluminum frame, strong & steady. b. Allows 15 years guarantee. c. Wind load up to 12th typhoon (40M/S or 120KM/H). d. With water down pipes allow collecting rain water for gardening and ponds. e. Easy and simple DIY. Easy clean and free maintenance. f. With snow load capability of 100kg/m2 and additional 50% of safety margin high impact hail resistant g. Brown, white, black colors available, or customized color.