Fiberglass Reinforcement Mesh comes in variouse sizes. However, this comes in 1m x 50m. It is suitable for the prevention of cracks that occurs between structural concrete and block wall joints. It is fixed at the meeting junction of columns, beams, slabs and block wall prior to plaster for reinforcement purposes.
Also, in the plastering of wider block or concrete surface area. Especially in renovation, retrofitting, refurbishment, rehabilitation works etc. it is also cut and laid intermittently on the bed joint of block wall preferable on every 2 or 3 courses to reinforce the whole block wall area.
For your block, or stone masonry we have 9cm x 50m, 11cm x 50m and 14cm x 50m