Sliding door 3000 & 4000

steelstainless steelcustom

Designed where high usage and up to a 4-hour label are required. Both models are custom manufactured and available in single slide or center parting with UL label ratings of 20 minutes to 4 hours. Standard features include an automatic close system with thermal heat detectors and low maintenance heavy-duty hardware. FEATURES CONSTRUCTION Door Panel – Model 4000 incorporates steel tubing construction and a calcium silicate core. Model 3000 has a Kraft honeycomb core. The door is shipped prime painted with a high quality gray rust resistant paint. Optional finishes include galvanized with prime paint or stainless steel. Door Construction – Model 4000 incorporates modular panel construction with silicate core, for a 250 degree Fahrenheit temperature rise rating, securely bonded to 18 gauge cold rolled face sheets and 18 gauge interior channels. Door Construction – Model 3000 incorporates modular panel construction with Kraft honeycomb core securely bonded to 18 gauge cold rolled face sheets and 18 gauge interior channels. Track System – The patented Easy Roll track system gives Models 3000 & 4000 the lowest friction of any fire door on the market. Both models are equipped with a weight or reel type closing system (control speed closing optional) 2" x 2" x 3/8" angle track system, 5-1/4" diameter wheels and thru-wall linkage. All hardware is UL labeled and prime painted. Optional Track Hood is available in 18 gauge cold rolled prime painted steel or stainless steel. Capping Channel – The panels are assembled with 14 gauge capping channel and a 10 gauge bottom guide roller channel.