Strong Steel Warehouse Industrial Sliding Door 2.5mm Sheet Windproof

High Quality Factory price Strong Steel Warehouse Industrial Sliding Door
 

This is a new type of door that is specially developed for the gates of workshops, warehouses, etc., often with insufficient space on both sides of the wall opening and the top space. It can effectively save the space occupied by the door. The folding door has the advantages of light weight, light insulation, heat insulation, moisture proof, fire retardant, noise reduction, soundproofing, acid and alkali resistance, corrosion resistance, etc. It is easy to install and convenient to maintain.

Features:
* Heat preservation & sound insulation thanks to the excellent material and craftsmanship
* Suit all bigger and higher headroom doors of the building
* Peculiar chip type and blade type anti-dropping device
* Metal parts is made of 2.5mm hot-dip galvanized steel sheet, corrosion and rust resisted
* Available for pressure air bag switch at bottom as a safeguard against accidents and ensure door a safe operation
* The running speed is about 150mm/s
* Small door and window cutout is available to brighten the building
* The 50cm thickness of door panel is made of 0.5mm bi-layer color steel sheet filled with polyurethane foam, stable and long lifetime, excellent wind resistant function (the density of the polyurethane foam is 43kg/sqm)
* Optimum balanced system performance: The torsion spring is made of quality 602 silicomanganese, more than 3 million life cycles