The Steel Fireproof door 3 Hrs. rate, Double Door

The Steel Fireproof door 3 Hrs. rate, Single Door ( SFD22 )

• Made from 2 Electro Galvanized Cold Rolled Steel Sheet thickness 1.6 mm. Weld together.
• Inside Structures have a steel plate thickness 1.6 mm. Fold down as a C character Style ([). The space not more than 250 mm.
• Inside structures around the installation accessories area (Lockset , Push bar , Door closer) made from steel sheet thickness 1.6 mm.
• The areas of the Hinge of the frame Reinforcement plate steel thickness 3 mm.
• Inside the Door Leaf are compressed firmly with Rockwool.
• The Door Frame Used the Electro Galvanized Cold Rolled Steel Sheet thickness 1.0 mm. and have a space for install The Protection a smoke rubber band have a smoke rubber (Neoprene Rubber) adhere around door frame.
• Have The Hinge are stainless steel Flag Type 5” x 4” x 3 mm. thickness.
• The Door Set are surface by Zinc Phosphate Coating final coated with powder coating from the factory as well.

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