Ceiling Fire Separation In Existing Wood Floor
However the gypsum association manual has a new note for certain assemblies.
Ceiling fire separation in existing wood floor. For occupancies such as stores apartments of fices and other commercial and industrial uses build ing codes commonly require floor ceiling and wall assemblies to be fire resistance rated in accordance with standard fire tests. The main goal in this converstion is to not displace the tenants or destroy the apartments by ripping up the hardwood floors and installing a new approved fire rated floor system. Your wood framing members are required to be not more than 16 on center. Wall finishes and their ratings.
Fire rated wood frame wall and floor ceiling assemblies. Fire protection rating is calculated from the flame side of the assembly and of course some assemblies have multiple flame sides. The secondary goal would be to not destroy the ceiling of the 1st floor since the owner just hung 5 8ths drywall over the old plaster lathe at some expense. In new construction the entire floor assembly is often use to achieve the rating.
Nov 16 2016 1. Start date nov 16 2016. Here you can find drawings for our ul fire rated floor assemblies and ul fire rated ceiling assemblies. The fire area is the combined area of the floor in between fire walls fire barriers exterior walls or horizontal fire barrier assemblies within a building.
Joined oct 19 2009 messages 401 location lincoln. Building code requirements. Ceiling provides two hour fire resistance protection for wood framing where that note is included the entire rating is provided by the gypsum and you don t need a particular floor. Our range of drawings can help pros plan projects more effectively by utilizing designs for a fire rated ceiling assembly.