Windbreak barrier

roller blind

J&D Manufacturing's DC Curtain System offers easy installation and trouble-free operation. With the sealed keder curtain and matching roll tube, the J&D Curtain System can be installed in a fraction of the time of conventional curtain systems. Curtain System: - End drive or center drive systems - Single roll up, double roll up, middle roll up, or middle double roll up - Fully adjustable for minimum winter ventilation or maximum summer ventilation Drive Options: - Manual drive with 6' or 9' sheperd's hook - Motorized climbing drives with built in adjustable limit switches and optional protective cable guide - 2 year warranty on motors Control Options: - Manual control (JDN4M-5) - Programmable control with thermostat, temperature sensor and power supply (JDN4-5) - 12 or 16 stage ventilation control (JD412M) with optional remote power supply (JDR2-5) Wind Pockets and Restraints: - Heavy gauge galvanized wind pockets to protect your drive system - End drive systems include drive end cover and dead end cover - Center drive systems include center drive cover and 2 dead end covers