Concealed Cavities In Wood Floors

Platform framing here s the first of several admittedly simplified examples of what is intended by the code s requirements.

Concealed cavities in wood floors.

Afpa has recommended subdividing the large concealed spaces by draftstopping with materials such as wood sections or. Without the presence of the fireblockingfire in a concealed space could spread through interconnected concealed spaces as. 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. However there are some hidden cavities that are harder to spot.

Addressed possible fire spread within the cavities or concealed draft openings in wood frame construction. The international building code ibc requires all buildings containing group r occupancies to have sprinklers throughout. 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. Cavities are usually painful and they can be easily spotted by a dentist.

This is particularly so in the case of voids above other spaces in a building such as those above a suspended ceiling or in a roof space and ventilated facades. 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.