@zonofun on Instagram: "The instagram post shares a 64-second video of roofers installing a black plastic ridge vent along a home’s roof peak in a snowy setting, prompting viewers to guess its purpose, which garnered over 2.9 million views and 528 replies. - This device functions as a passive attic ventilator, allowing hot, humid air to escape while drawing in cooler air from soffit vents, reducing attic temperatures by up to 50°F and cutting summer cooling costs by 10-25% per roofing industry d