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. This is particularly so in the case of void spaces above a suspended ceiling in a roof space or in a raised floor system. Without the presence of the fireblockingfire in a concealed space could spread through interconnected concealed spaces as. Wood structural members can shrink to 19 moisture content as the wood sea sons. However there are some hidden cavities that are harder to spot.
The international building code ibc requires all buildings containing group r occupancies to have sprinklers throughout. Stud cavity subfloor finish material 1st flr stud cavity fire in wall cavity walls. 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. Platform framing here s the first of several admittedly simplified examples of what is intended by the code s requirements.
Cavities are usually painful and they can be easily spotted by a dentist. These cavities or hidden caries are often missed in an exam because they are so deeply hidden within the pits and fissures of the teeth. 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.