A door skin factory specializing in fire‑rated doors uses mineral core materials. This door skin factory adds fire‑retardant resins to the fiber mix. The door skins from a door skin factory for commercial use are thicker (4 mm).
A door skin factory producing fire door skins must follow strict testing standards. Each batch from a door skin factory is sampled for burn‑through resistance. The label from a door skin factory includes the fire rating and test number.
The molds in a door skin factory for fire door skins have deeper panel grooves. Deeper grooves allow for expansion of the fire‑retardant layer inside the door. A door skin factory must keep records of each production lot for 10 years.
For hospitals, a door skin factory offers skins with antimicrobial additives. The finish on a door skin factory’s fire door skins is often paintable only. Some door skin factory products have a wood grain texture for aesthetics.
The pressing temperature for fire door skins at a door skin factory is lower than standard. Too much heat degrades the fire‑retardant chemicals in a door skin factory’s mix. A door skin factory uses water‑cooled presses to control temperature precisely.
After pressing, a door skin factory stamps the fire rating on the back of each skin. The door skin factory also prints installation instructions on the skin. A door skin factory with a quick‑change mold system can switch between fire and non‑fire skins rapidly. For safety, always buy fire door skins from a certified door skin factory.
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