CAFCO^® SprayFilm^® WB Series /
ISOLATEK^® Type WB Series

UL Designs & Thicknesses for Isolatek’s passive fireproofing materials for the commercial and construction industry.

For the most current UL designs, please visit the UL Product iQ page

CAFCO SprayFilm WB 5 / ISOLATEK Type WB 5

KEY:
NW= Normal Weight	LW= Light Weight	R= Restrained Beam
HF= Half Flange	RT= Rectangular Tube	ST= Square Tube
HSS= Hollow Steel Section	SP= Standard Pipe	WF= Wide Flange
AF= All Fluted	C= Cellular	WT= T Shaped Beam
MW= Mineral Wool	PTF= Painted Top Flange

Floor-Ceiling Assembly

Columns

Miscellaneous Shapes

CAFCO SprayFilm WB 3 & WB 4 / ISOLATEK Type WB 3 & WB 4

KEY:
NW= Normal Weight	LW= Light Weight	R= Restrained Beam
HF= Half Flange	RT= Rectangular Tube	ST= Square Tube
HSS= Hollow Steel Section	SP= Standard Pipe	WF= Wide Flange
AF= All Fluted	C= Cellular	WT= T Shaped Beam
MW= Mineral Wool	PTF= Painted Top Flange

Floor-Ceiling Assembly

Columns

Miscellaneous Shapes