24' x 30' Rectangular Gable Vent Keep your attic and roof space properly ventilated with a purposebuilt 24' x 30' rectangular gable vent. Designed to fit a standard 24' by 30' gable opening, this vent provides a reliable path for passive airflow that helps control attic temperature and moisture. Key benefits Ensures effective attic ventilation: promotes continuous airflow through the gable end to reduce heat buildup and moisture accumulation. Simple replacement and compatibility: sized specifically for 24' x 30' rectangular gable openings for straightforward installation or retrofit. Protects structure and comfort: by improving attic ventilation, it supports longer roof life, reduces the risk of condensation and mold, and can help maintain more consistent indoor temperatures. Primary attributes Functionality: passive gable vent for intake or exhaust airflow at the gable end of a building. Compatibility: designed for rectangular gable openings measuring 24 inches by 30 inches. Size: 24' x 30' overall dimensions to match standard gable framing and openings. Performance: facilitates crossventilation when used with other attic vents (ridge vents, soffit vents, or other gable vents) to optimize air exchange. Typical applications Residential attics: an existing gable vent or install in construction to improve attic air circulation and reduce heat stress on roofing materials. Outbuildings and garages: ventilate enclosed loft or storage spaces to limit humidity and protect stored items. Barns and utility structures: provide passive airflow to maintain drier, more stable interior conditions. Installation and use notes Confirm the gable opening measures 24' x 30' before ordering or installing. Install as part of a balanced attic ventilation system—combine with soffit or ridge ventilation where appropriate for results. Follow local building codes and standard installation practices for cutting, mounting, and weatherproofing the opening. The 24' x 30' rectangular gable vent offers a straightforward way to improve ventilation where a standard rectangular gable opening is present. Its sizing and function make it an efficient option for homeowners and builders seeking reliable passive airflow at the gable end.