Gable Vents are a functional additional to the roof of a home. Gable Vents allow heat to escape in the summer and prevent the formation of condensation during the winter. Ply Gem Gable Vents are available in round, square, octagonal, half-round and rectangular sizes in a myriad of colors to accentuate or match your siding. Utility Vents allow for proper airflow in a specific area of the home. Utility Vents are available for garages, foundations, range hoods, dryer vents, bathroom exhaust fans, furnaces, fire-places and soffit. Ply Gem offers a variety of Utility Vents in over 500 colors.