Pro: Ventilation The horizontal gable at the end of a gable roof generates an ideal location for an attic vent. This is often preferable, as gable vents are a number of the most effective strategies to vent an attic, above other options like ridge vents, roof turbines, and soffit vents. https://www.tumblr.com/sustainablemilkcartons/780225923730522112/water-in-gabletop-sustainable-living-staple?source=share