The major difference is that it is not protected.
For example, in a Type I building we will see columns and beams covered with fire resistive spray on material as seen in the first picture.
In a Type II building these columns and beams are not protected and will be exposed during a fire.27 Dec 2010
What is Type 1 and Type 2 Construction?
TYPE II – This type of building has steel or concrete walls, floors, and structural framework similar to type I construction; however, the roof covering material is combustible. The roof covering of a type II building can be a layer of asphalt waterproofing, with a combustible felt paper covering.
What is type II construction?
TYPE II-B–Unprotected Non-Combustible (Most common type of non-combustible construction used in commercial buildings). These buildings are frequently found in “warehouse” districts of older cities.) 2 Hr. Exterior Walls* No fire resistance for structural frame, floors, ceilings, or roofs.
What is the difference between type IIA and type IIB construction?
The less restrictive Type IB construction requires 2-hour protection for the beams, columns, bearing walls, and floor construction. The roof construction is permitted to be protected for 1 hour. construction. The most common use of Type IIB construction is in big box retail stores, warehouses, and industrial buildings.
What are the different building construction types?
Conventional building types
- Type I. Fire resistive.
- Type II: Non-combustible.
- Type III: Ordinary.
- Type IV: Heavy timber.
- Type V: Wood frame/combustible.
1 Jul 2012