Note : All Dust / Thermal / Fumes / Odour barrier units will function as partial insect barriers. This result varies, based on site conditions. Note : For all locations please specify & confirm the motor position vis-à-vis the availability of space on the sides of the proposed installation position, prior to order placement. Please refer to the attachment“Side mounted motor position sketch” for a better interpretation of our request. We will need 12 to 14” space on left / right side of the opening.