The usual answer: parts of it
A single-storey storage building with sprinklers is often allowed an unrated frame. Ratings tend to appear where people work above ground or where fire must be held back: office blocks inside the warehouse, mezzanines, columns along a firewall and rooms for flammable goods.
Questions to settle with your fire protection engineer
- What will be stored, and how high?
- Will the building be sprinklered?
- Is there an office or mezzanine inside the frame?
- Are there firewalls dividing the floor area?
- Does your insurer or tenant ask for more than the code?
Targeted protection keeps cost down
Once the rated members are known we coat only those – often a fraction of the tonnage – and design columns at firewalls so the wall can stand if one side collapses. Everything else gets the standard anticorrosion paint system for its location.
FAQ
Do roof purlins in a warehouse need fire protection?
Rarely. Check the fire safety plan.
Will fireproofing delay delivery?
No – rated members are coated in our plant in the same programme as the rest of the frame.
Preliminary calculations are provided for estimation purposes only. Final coating thickness and fire protection system selection must be verified against the approved product documentation, applicable project requirements and relevant engineering assessments.