"Leaf guard" is a general term for any gutter cover that keeps leaves out of the trough. It includes micro-mesh, perforated metal, reverse-curve, brush, and foam systems of varying effectiveness.
Leaf guard is the catch-all name homeowners use for gutter protection, but the category spans very different products. Fine micro-mesh handles everything down to pine needles; perforated aluminum screens block leaves but can pass small debris; reverse-curve guards use surface tension and can overshoot in heavy rain; brush and foam inserts are cheap but degrade and become debris traps themselves. Choosing the right leaf guard depends on your trees, roof, and climate — which is why a professional matches the system to the home rather than selling one product for every situation.
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