Frequently Asked Questions
What materials are the door panels made of?
The panels consist of two layers of 0.4mm powder-coated galvanized steel with a high-density PU foam core (45-48kg/m3) for superior insulation.
Does the door include safety features?
Yes, it includes a torsion spring anti-breaking system, steel wire rope anti-falling devices, and a safety pressure switch that rebounds upon touching objects.
What is the lifespan of the torsion spring?
The high-quality torsion springs are designed for a lifespan of at least 50,000 opening and closing cycles.
Can the door be customized for small lintel spaces?
Yes, we offer multiple lifting methods including low lintel lifting type specifically for restricted overhead spaces.
Is the door resistant to extreme weather?
Yes, with wind resistance ≥450N/m2 and EPDM sealing strips on all sides, it provides excellent rainproof, dust-proof, and thermal insulation performance.