【45° Louver Design】: The grille cover is designed a round flat cover with 45°Louver to prevent rainwater from flowing in; and built in fine mesh grille to stop sundries and small pet from ...

Squirrels can also enter through roof vents, attic louvers, and ventilation fan openings. “As cute as they may be, squirrels are also very destructive,” Castro says. “The most serious ...

Attic venting usually involves soffit vents, which can be little circular devices with screened louvers or a continuous band of screened louvers in the roof overhang, to bring in fresh air.