An anti-splitting device including a base portion, a plurality of protrusions and first, second, third and fourth extensions. The base portion has a first surface and a second surface oppositely disposed relative to the first surface, a first edge and a second edge oppositely disposed relative to the first edge, and a third edge and a fourth edge oppositely disposed relative to the third edge. The plurality of protrusions are positioned about and extending from the first surface. The first extension is positioned at an intersection of the first and third edges, the second extension is positioned at an intersection of the third and second edges, the third extension is positioned at an intersection of the second and fourth edges and the fourth extension is positioned at an intersection of the fourth and first edges. Each of the first, second, third and fourth extensions extend from the second surface.

There is disclosed a gutter installation secured at an edge of a roof of a building. The gutter installation includes a gutter having a gutter channel to receive water flowing from the roof. The gutter installation further includes gutter mesh to cover at least a portion of the gutter channel and a gutter mesh fastener operatively adapted to secure the gutter mesh to the edge of the roof. The gutter mesh fastener includes (i) a fastener body operatively adapted to be secured to the roof and (ii) a plurality of fastener teeth outwardly extending from the fastener body. The fastener teeth are operatively adapted to pass through mesh openings of the gutter mesh to secure the gutter mesh to the roof.