synthetic lawn3E369A-336?Drainage layers? prevent water poolingsynthetic lawn3E369A-336?DIY Alert: Can be installed over concrete or decking in under 4 hours.synthetic lawn3E369A-336?6. High-Traffic Commercial Grass?synthetic lawn3E369A-336?Best for: Restaurants, event venuessynthetic lawn3E369A-336?Key Features:synthetic lawn3E369A-336?Dual-polymer fibers? withstand heavy foot trafficsynthetic lawn3E369A-336?Class A fire rating? for public spaces