Roll-up door provided with thermal protection means and a direct drive gearing arrangement

摘要: A roll-up door including thermal protection devices provided in the mounting arrangement thereof to prevent transfer of cold outside air, snow, ice and like through doorway covered by door, a plastic member provide break therein, heating members also disposed arrangement, heated hood over support roller on which is rolled up into opened position thereof. The can have snap-on construction facilitate assembling thereof, for removal event replacement necessary. with direct drive gearing between motor gear roll-down mechanism avoid building forces therethrough usually caused when becomes fixed place or difficult rotate due weather conditions. Preferably, includes wind bar sealing fins wind, rain, snow from passing doorway.