Blue Mountain Co 4mm aluminium gutter guard is a classic, flexible, budget-friendly gutter mesh that keeps animals and medium-sized leaves out of your gutters and roof. Lightweight and flexible, our 4mm aluminium gutter mesh comes in ready-made rolls with all the screws and saddles or clips you need for fast and easy installation. Mesh and componentry is available in 27 COLORBOND colours. Blue Mountain Co 4mm aluminium gutter guard is sold in 10, 15 and 30mtr rolls for easy ordering. Valley mesh is also available.