About product and suppliers:
            484 green roof blocks products are offered for sale by suppliers on Alibaba.com, of which refractory accounts for 1%. 

A wide variety of green roof blocks options are available to you, such as brick. You can also choose from alumina block green roof blocks, as well as from 1770°< refractoriness< 2000° green roof blocks

There are 484 suppliers who sells green roof blocks on Alibaba.com, mainly located in Asia. The top countries of suppliers are China, India, and Vietnam, from which the percentage of green roof blocks supply is 96%, 1%, and 1% respectively. 

Green roof blocks products are most popular in United States, Australia, and Canada.