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.lv{color:#1d2b3a;line-height:1.65}.lv h2{color:#0B3558;margin:34px 0 12px}.lv h3{color:#0B3558;margin:18px 0 8px} .lv-hero{width:100%;height:auto;border-radius:6px;display:block;margin:0 0 18px} .lv-note{background:#eef3f8;border-left:4px solid #0B3558;padding:14px 18px;border-radius:4px;margin:18px 0} .lv-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:16px;margin:18px 0} .lv-card{background:#fff;border:1px solid #d8e1e8;border-radius:8px;padding:14px;text-alig …

An open gable louver leaves a passage between the slats so air can move. A closed louver keeps the outer shape and uses a solid face, so the wall looks like a vent and does not act as one. Use an open louver in a framed opening when that gable is part of how the attic breathes. Use a closed louver where the wall is already sealed, or where the elevation only needs the profile. Both versions are in our range of decorative gable vents. These parts are not a ridge vent, a soffit vent, or a roof tur …