Factories & warehouses
Compartment boundaries, equipment rooms and service passages.
Configurable single and double doors for protected openings in commercial and industrial projects. Select the rating, vision panel, hardware and finish that fit your approved door schedule.
Compare ratings ↓Request a quoteSteel leaves and frames, fire resistant core, perimeter seals, compatible closer and lockset are specified as one assembly. Choose a flush design or a rated vision panel for visibility in busy corridors.
Common options include single leaf, equal or unequal pairs, transom designs, pull handles, lever sets, panic exit hardware and door closers. Confirm every component against the required tested assembly.
Explore styles →Sizing guide →
The following configurations reflect the supplied product reference. Final rating is determined by the certified door set and installation requirements for the destination market.
| Option | Fire resistance | Leaf thickness | Leaf steel | Frame steel |
|---|---|---|---|---|
| Grade C | ≥ 30 minutes | 50 mm | 0.8 mm | 1.2 mm |
| Grade B | ≥ 60 minutes | 50 mm | 0.8 mm | 1.2 mm |
| Grade A | ≥ 90 minutes | 60 mm | 0.8 mm | 1.2 mm |
Layouts below are schematic. Full size, frame, glazing and hardware are confirmed on shop drawings.
Flush face; hinge on right, lock and handle on the free left edge.
Narrow secondary leaf and wider active leaf.
Symmetrical leaves for broad openings.
Rated narrow vision panel where approved.
Vision on the active leaf.
A vision panel in each leaf.
Overhead transom above a solid single leaf.
Transom with unequal pair and active-leaf vision.
Transom and paired narrow vision panels.
Reference finish codes from the supplied sample chart are shown below. Confirm the physical sample before production; display colors are approximate.
These architectural scene images show typical project settings. Door configuration and rating must follow each building's fire strategy and local code.
Compartment boundaries, equipment rooms and service passages.
Protected circulation and designated escape routes.
Clinical corridors, plant rooms and back of house zones.
Classroom wings, service rooms and shared circulation.
Application images are illustrative architectural scenes.
Record the finished structural opening, wall depth and floor level before confirming the frame size. Use millimeters and send site photos with your drawing.
Measure top, middle and bottom. Note the smallest clear dimension.
Measure left, center and right from finished floor to underside of head.
Measure wall thickness at several points; note floor finish, thresholds and obstructions.
Imagine that you are the person shown below each diagram, standing outside and looking toward the room. The gold dot shows the hinge. The solid blue line shows the open door; the dashed line shows its closed position.
Product photography is presented with the entire door and frame in view. Six product views from supplied steel fire door material. Promotional graphics have been removed from selected images; the corridor image is an on-site photograph.
Include rating, opening width × height, wall depth, quantity, handing, finish, vision size and hardware requirements. We will review your request and propose a matching configuration.
Explore more: Steel fire door products · SHENGHAO home