Soil free living roof and wall systems comprising a living layer of Bryophytes Lichen And Vascular Epiphytes (BLAVE) on the surface of a thin light weight flexible fire resistant mat of mineral wool having a density in the range of about 6 12 lbs/cu ft and thickness in the range of about 3/8" to about 3/4". Mats are provided in modular units on the order of 2 x 4 no irrigation or growth medium is used. The mats are adhered to a roof or wall with adhesive or mastic or may be secured with fasteners. In the preferred embodiment modular units include flexible mineral wool mats over a base sheet of non woven plastic fibers on the order of from 2 4mm thick and a wide mesh plastic netting over the BLAVE layer sewn through to the base layer. Methods of mat module manufacture innoculant mix production installation and cultivation/propagation of BLAVE are disclosed.
