Concealed Cavities In Wood Floors

Addressed possible fire spread within the cavities or concealed draft openings in wood frame construction.

Concealed cavities in wood floors.

However there are some hidden cavities that are harder to spot. Platform framing here s the first of several admittedly simplified examples of what is intended by the code s requirements. This is particularly so in the case of void spaces above a suspended ceiling in a roof space or in a raised floor system. Fire protection of concealed spaces cavities hidden voids in the construction of a building provide a ready route for the spreading of smoke and flame.

Without the presence of the fireblockingfire in a concealed space could spread through interconnected concealed spaces as. However the need for sprinklers specifically located in the concealed spaces of floors and roofs is dependent on the type of sprinkler system specified nfpa 13 or nfpa 13r and the use of fireblocking and draftstopping. Concealed spaces or cavities in a building provide a ready route or flue for smoke and flame to spread undetected thus increasing the risk to life safety of occupants in the building. Afpa has recommended subdividing the large concealed spaces by draftstopping with materials such as wood sections or.

Cavities are usually painful and they can be easily spotted by a dentist. Stud cavity subfloor finish material 1st flr stud cavity fire in wall cavity walls. The international building code ibc requires all buildings containing group r occupancies to have sprinklers throughout.