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Mandolite® CP-2
Underwriters Laboratories Designs

Click here for CP-2 UL Design Cross Reference '97


D-764 Protected Floor Assembly
Material Thickness (In)
Restrained
Assembly Rating
Unrestrained
Assembly Rating
Unrestrained
Beam Rating
Concrete
Type
Beam
Cellular
Deck
Fluted
Deck
2
1
1
LW/NW
1/2
3/8
3/8
2
2
2
LW
15/16
3/8
3/8
2
2
2
NW
7/8
3/8
3/8
2
2
3
LW
1-7/16
3/8
3/8
2
2
3
NW
1-1/4
3/8
3/8
3
1-1/2
1-1/2
LW/NW
3/4
NR
15/16
3
3
3
LW
1-7/16
NR
15/16
3
3
3
NW
1-1/4
NR
15/16
4
2
2
NW
7/8
NR
1-1/4
4
4
4
NW
1-15/16
NR
1-1/4


D-922 Unprotected
Floor Assembly
Material Thickness
Restrained
Assembly Rating
Unrestrained
Assembly Rating
Unrestrained
Beam Rating
Beam
Joist
1, 1-1/2, 2
1
1/2
1, 1-1/2, 2, 3
1-1/2
3/4
1
1
1
1/2
1-1/4
1-1/2
1-1/2
1-1/2
3/4
1-7/8
2
2
2
15/16
2-3/8
3
3
3
1-7/16
3


G-709 Protected Floor Assembly
Restrained
Beam Rating, hr
Unrestrained
Beam Rating, hr
Unrestrained
Assembly Rating, hr
On W8X28
Beam
On Deck
Joist
More than
3ft 6 in. OC
Joist
Less than
3ft 6in OC
1
1
1
1/2
1/2
1-1/16
13/16
1-1/2
1
1
1/2
1/2
1-1/8
1-1/16
1-1/2
1-1/2
1-1/2
3/4
1/2
1-1/4
1-1/16
2
1
1
1/2
1/2
1-1/8
1-1/8
2
1-1/2
1-1/2
3/4
1/2
1-1/4
1-1/16
2
2
2
15/16
1/2
1-5/8
1-1/2
3
2
2
15/16
7/8
2-7/16
2-7/16
3
3
2
1-7/16
7/8
3-1/4
3-1/4


J-711 Protected Concrete Floor
Restrained
Assembly Rating
Unrestrained
Beam Rating
Material Thickness (In)
2
1
7/8


N-765 Floor Beam
REDUCED FLANGE TIPS*
Rating
Restrained
Beam
Unrestrained
Beam
Restrained
Beam
Unrestrained
Beam
1
1/2
1/2
9/16
9/16
1-1/2
9/16
3/4
5/8
13/16
2
3/4
15/16
7/8
1-1/16
3
1-3/16
1-7/16
1-7/16
1-11/16
4
1-11/16
1-15/16
2
2-1/4
*FLANGE TIPS CAN BE REDUCED BY 1/2 THICKNESS GIVEN


N-767 Floor Joist
Restrained Beam Rating, hr
Unrestrained Beam Rating, hr
On Joist More than 4 ft OC
On Joist 4 ft or Less OC
On Deck*
1
1
1-1/16
13/16
3/8
1-1/2
1
1-1/8
1-1/16
3/8
1-1/2
1-1/2
1-1/4
1-1/16
3/8
2
1
1-1/8
1-1/8
3/8
2
2
1-5/8
1-1/2
1/2
3
2
2-7/16
2-7/16
1/2
3
3
3-1/4
2-3/4
1/2
*12 Inches Both Sides


P-722 Protected Roof Assembly (Polyisocyanurate insulation)
With 5/8" Gyp Board
Over Deck
Restrained Assembly Rating
Unrestrained Assembly Rating
Unrestrained Beam Rating
Deck
Beam
Joist
> 4ft.
< 4ft.
1
1
1
1
9/16
1-1/16
13/16
1
1
1
1-1/16*
9/16
1-1/16
13/16
1-1/2
1
1
1-1/4
3/4
1-1/8
1-1/16
1-1/2
1-1/2
1-1/2
1-7/16*
3/4
1-1/4
1-1/16
1-1/2
1-1/2
1-1/2
1-1/4
3/4
1-1/4
1-1/16
2
2
2
1-3/4*
1-1/16
1-5/8
1-1/2
2
1
1
1-7/16
1-1/16
1-1/8
1-1/8
2
2
2
1-7/16
1-1/16
1-5/8
1-1/2
3
2
2
1-7/8
1-1/4
2-7/16
2-7/16
with polyiso directly over deck
1
1
1
1
9/16
1-1/16
13/16
1
1
1
1-15/16*
9/16
1-1/16
13/16
1-1/2
1
1
1-7/16
3/4
1-1/8
1-1/16
1-1/2
1-1/2
1-1/2
2-9/16*
3/4
1-1/4
1-1/16
1-1/2
1-1/2
1-1/2
1-7/16
3/4
1-1/4
1-1/16
2
2
2
3-3/16*
1-1/16
1-5/8
1-1/2
2
1
1
1-3/16
1-1/16
1-1/8
1-1/8
2
2
2
1-13/16
1-1/16
1-5/8
1-1/2
3
2
2
NR
1-1/4
2-7/16
2-7/16
* no minimum insulation thickness required


P-726 protected roof assembly (mineral fiber insulation)
Restrained Assembly Rating
Unrestrained Assembly
Unrestrained Beam Rating
Deck
Beam
Joist
> 4ft.
< 4ft.
3/4
3/4
3/4
7/8
9/16
1-1/16
13/16
1
1
1
1-1/4
9/16
1-1/16
1-1/16
1-1/2
1-1/2
1-1/2
1-5/8
3/4
1-1/4
1-1/16
2
2
2
2-1/4
1-1/16
1-5/8
1-1/2


P-731 protected roof assembly (polystyrene insulation)
material thickness
restrained assembly rating
unrestrained assembly rating
unrestrained beam rating
deck
beam
Joist
> 4ft.
< 4ft.
1
1
1
7/8
9/16
1-1/16
13/16
1
1
2
7/8
1-1/16
1-5/8
1-1/2
1-1/2
1
1
1-1/4
3/4
1-1/8
1-1/16
1-1/2
1-1/2
2
1-1/4
1-1/16
1-5/8
1-1/2
2
1
1
1-11/16
1-1/16
1-1/8
1-1/8
2
2
2
1-11/16
1-1/16
1-5/8
1-1/2
3
2
2
2-3/8
1-1/4
2-7/16
2-7/16
3
3
3
2-3/8
1-5/8
nr
nr


P-925 unprotected roof assembly (insulating concrete)
restrained assembly rating
unrestrained beam rating
w 6x16 beam
w 8x10 beam
Joist
> 4ft.
< 4ft.
1
1
9/16
1-1/2
13/16
13/16
1-1/2
1-1/2
3/4
1-7/8
1-1/4
1-1/16
2
1-1/2
3/4
2
1-1/4
1-1/16
2
2
1-1/16
2-3/8
1-5/8
1-1/2


S-727 Roof Beam
(Un) Restrained Beam Rating
Min. Thickness
1
1
1-1/2
1-5/16
2
1-5/8
3
2-5/16
4
2-3/4


S-730 Roof Beam
Restrained Rating
Unrestrained Beam
Beam
Deck
1
3/4
3/4
7/8
1-1/2
3/4
7/8
7/8
2
7/8
1-1/8
1-5/8
3
1-5/16
1-1/2
1-7/8
4
2-3/4
2-3/4
1-7/8


X-798 Columns
Column Size
Min. W/D Ratio
Minimum Thickness
1h
1-1/2h
2h
3h
4h
W 6x9
0.331
1-1/16
1-3/8
1-11/16
2-1/4
2-7/8
W 6x12
0.435
1
1-5/16
1-5/8
2-3/16
2-3/4
W 6x16
0.568
1
1-1/4
1-9/16
2-1/8
2-3/4
W 8x28
0.672
13/16
1-1/8
1-7/16
2-1/16
2-11/16
W 10x49
0.827
5/8
7/8
1-3/16
1-13/16
2-7/16
W 12x106
1.443
7/16
11/16
15/16
1-7/16
2
W 14x233
2.492
1/4
7/16
5/8
15/16
1-1/4
W 14x730
6.62
1/4
1/4
1/4
7/16
9/16


X-799 Pipe and Tube Steel
Column Size (In.)
Min. A/P Ratio
Minimum Thickness
1h
1-1/2h
2h
3h
4h
4x4x3/16
0.18
15/16
1-5/16
1-3/4`
2-9/16
3-3/8
4 dia. x 0.237
0.22
7/8
1-5/16
1-13/16
2-11/16
3-5/8
4x4x5/16
0.29
7/8
1-1/16
1-7/16
2-3/16
3
4x4x3/8
0.34
9/16
15/16
1-5/16
2
2-3/4
6 dia. x 0.432
0.40
1/2
13/16
1-1/8
1-13/16
2-1/2
4x4x1/2
0.44
7/16
3/4
1-1/8
1-3/4
2-3/8
36x24x1/2
0.49
5/16
9/16
13/16
1-3/8
1-7/8
8x8x5/8
0.58
3/8
9/16
13/16
1-1/4
1-3/4
20x20x3/4
0.72
5/16
1/2
11/16
1-1/16
1-7/16
20x20x1
0.95
1/4
3/8
1/2
13/16
1-1/8
32x32x1-1/4
1.20
1/4
5/16
7/16
11/16
15/16
20x20x1-1/2
1.39
1/4
1/4
3/8
5/8
13/16
20x20x1-3/16
1.60
1/4
1/4
3/8
1/2
3/4


Y-705 Pipe Column
Rating
Min. Thickness
1
3/8
1-1/2
7/16
2
1/2
3
3/4
4
1-1/16


NOTE: All protected deck designs require galvanized decking. For additional information please refer to the Underwriters Laboratories Fire Resistance Directory or consult us.

Click here for CP-2 UL Design Cross Reference '97


Mandolite



(Draft - Under Construction)