Firestone Building Products’ SkyScape is a vegetative roof system featuring double interlocking trays. Available in a modular tray or multilayered system, SkyScape provides an insulating layer that makes building heating and cooling more efficient, protects roofing materials from UV and heat stress degradation, and extends the service life of the underlying roof system. Trays are 2 feet by 2 feet and 45/8 inches deep. When fully saturated they weigh 23 pounds per square foot. www.firestonebpco.com; 800.428.4442.