A building surface cover, including: a plurality of meshed sheets (10A, 10B), for permanently connecting thereof, one adjacent to the other, onto a building surface (20), wherein adjacent sides (32A, 32B) of the adjacent meshed sheets (10A, 10B) are shaped complementary one to the other, thereby borders (42) between the adjacent meshed sheets (10A, 10B) are substantially indistinguishable.