12 x 24 2 x 4 8 w10 x 25 beam floor units and beam support 3 hr.
Roof ceiling assembly in concrete.
Stagger joints between.
Ul tests rate an entire assembly.
Steep slope or pitched roofs will almost never include insulation as a part of the roof assembly.
See the links below for building code information about r values and residential construction.
Roof ceiling and floor ceiling construction assemblies which are tested and assigned hourly ratings mandated by building codes or other building safety requirements.
3 4 fr 83 12 x 12 z runners fluorescent type none 2 1 2 concrete.
Face layer attached with 2 3 8 60 mm galvanized roofing nails 8 203 mm o c.
276 fire rated ceiling assemblies suspension ceiling designs floor ceiling designs a003 3 hr.
Our range of drawings can help pros plan projects more effectively by utilizing designs for a fire rated ceiling assembly.
A concrete roof is exactly what it sounds like.
Base layer attached with 1 7 8 48 mm galvanized roofing nails 16 406 mm o c.
You can use only the specific type size and.
Helpful documents and resources for usg s roof assemblies can be found on this page.
Here you can find drawings for our ul fire rated floor assemblies and ul fire rated ceiling assemblies.
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.
However floor ceiling designs that specify a finish floor are typically not used as roof ceiling assemblies.
Urb concealed grid system and tile.
For example the florida based company hurricane proof systems offers a 7 inch 18 centimeter slab of concrete in three layers.
Exact specifications vary but most concrete roofs are several inches thick.
Z106hy protected floor ceiling.
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.
Concrete slab with concrete beam support.
Concrete with cellular steel 3 hr.
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.
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.
A solid slab of concrete capping the top of your house.