Exact specifications vary but most concrete roofs are several inches thick.
Roof ceiling assembly in concrete.
Two layers 5 8 15 9 mm densglass fireguard sheathing applied vertically or horizontally to 2 x 4 wood studs 16 406 mm o c.
Ul tests rate an entire assembly.
A concrete roof is exactly what it sounds like.
Ibc item 4 or item 5 would allow use of assemblies tested as floor ceiling or roof ceiling in the other application even if not specified as such in the listing based upon rational design provided to the building official.
12 x 24 2 x 4 8 w10 x 25 beam floor units and beam support 3 hr.
No ceiling or suspension system product alone constitutes a fire rated assembly.
276 fire rated ceiling assemblies suspension ceiling designs floor ceiling designs a003 3 hr.
See the links below for building code information about r values and residential construction.
Base layer attached with 1 7 8 48 mm galvanized roofing nails 16 406 mm o c.
Click here for roof assemblies and.
Helpful documents and resources for usg s roof assemblies can be found on this page.
3 4 fr 83 12 x 12 z runners fluorescent type none 2 1 2 concrete.
Insulation in this case will be below the roof deck or considered part of the ceiling assembly.
Z106hy protected floor ceiling.
However floor ceiling designs that specify a finish floor are typically not used as roof ceiling assemblies.
Our range of drawings can help pros plan projects more effectively by utilizing designs for a fire rated ceiling assembly.
G floor ceiling designs concrete and steel joists i non load bearing horizontal barrier j or k floor ceiling designs precast and field poured concrete l floor ceiling designs wood or combination wood and steel joist assemblies n beam designs for floor ceiling assemblies p roof ceiling designs s beam designs for roof ceiling assemblies.
Concrete with cellular steel 3 hr.
Refer to our roof ceiling assembly documents which includes ul fire rated roof assemblies for easy guidance through the assembly of a roof or ceiling on your next project.
You can use only the specific type size and.
Face layer attached with 2 3 8 60 mm galvanized roofing nails 8 203 mm o c.
Here you can find drawings for our ul fire rated floor assemblies and ul fire rated ceiling assemblies.
A solid slab of concrete capping the top of your house.
For example the florida based company hurricane proof systems offers a 7 inch 18 centimeter slab of concrete in three layers.
Roof ceiling and floor ceiling construction assemblies which are tested and assigned hourly ratings mandated by building codes or other building safety requirements.
Steep slope or pitched roofs will almost never include insulation as a part of the roof assembly.
