Metal Fabrication
MS Panel Doors — Electrical & Fire Shaft
Electrical rooms and fire shafts need a door built for function first — mild steel for strength, a flush panel for shaft clearance, and hardware sized for a utility opening rather than a domestic one. It's the least decorative product in the catalogue and it's built that way on purpose.
What matters about this product
- Mild steel construction.
- Stronger and more impact-resistant than a domestic door, appropriate for a utility opening that takes more knocks over its life.
- Sized for shaft and service access.
- Panel dimensions and swing are specified to the shaft or electrical room opening, not a standard domestic door size.
- Fire-resistant options.
- Available in fire-rated configurations for shaft and service openings where code requires it.
- Pre-fabricated for straightforward installation.
- Components arrive ready to fit, reducing site work on what's usually a utility area with limited access time.
- Low ongoing maintenance versus a wood equivalent.
- No warping or swelling in a service riser or electrical room, which tend to run hotter or more enclosed than living spaces.
- Needs its paint system maintained.
- Mild steel relies on its primer and paint coat to resist rust — skip a repaint cycle in a damp shaft and surface rust starts. Build this into facility maintenance, not a one-time install.
Specifications
- Material
- Mild steel (MS)
- Configuration
- Flush panel, fire-rated on request
- Typical use
- Electrical rooms, fire shafts, service risers
- Finish
- Primed and powder-coated / painted
Questions people actually ask
Is this door fire-rated?
Fire-rated configurations are available for shaft and service openings where code requires it — this needs to be specified at order, since it affects the door's construction, not just its finish.
How is this different from a standard entry door?
It's built for function over appearance — mild steel construction, sized to shaft or service openings, and finished for durability rather than domestic aesthetics. It's the utility end of the door range.
What maintenance does an MS door need?
The paint system is what protects the steel from rust, so it needs to stay intact — a scratch through to bare metal in a damp shaft is where corrosion starts. Periodic inspection and repainting, especially in enclosed or humid service areas, keeps it in condition.
Can it be sized to a non-standard shaft opening?
Yes — these are typically fabricated to the specific shaft or electrical room opening rather than off a fixed catalogue size.
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