These covered openings allow air to escape the attic. Several of these vents are usually required to properly ventilate the attic. They should be placed evenly across the roof. Choose from metal or plastic in roundsquare or slant-back designs.... more
RBG51000 Square Galvanized Roof Vent; Mill; 50 SQIN Net Free Area Per Piece; 16-3/4 x 18-3/4 Base; 9-1/2 Diameter Opening; 8 x 8 Aluminum Screen; Square Dome; 1 Piece Dome Construction For Greater Strength; Louvered On 3 Sides For Maximum Air Flow;... more
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