MasterShield filters water to 50 microns, about half the width of a human hair, so that nothing but water will enter your gutter. Keeping gutters clear and free flowing helps prevent water damage and ...

Mastershield offers gutter guards made to be installed on any type of gutter or roof. It uses a micromesh technology invented and patented in 2001 by Alex Higgenbotham. MasterShield gutter guards are ...

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