Table 2
Reported Flame Spread Indices of Factory Finished Products
Material 1	ASTM E-84 Flame Spread
PARTICLEBOARD
5/32" Factory Finished Printed	116-178
5/32" Paper Overlay	159-176
5/32" Vinyl Overlay	180
1/4" Vinyl Overlay	127
3/8" Vinyl Overlay	130
1/2" Vinyl Overlay	175
5/8" Vinyl Overlay	100
MEDIUM DENSITY FIBREBOARD (MDF)
3/16" Factory Finished Printed	167
1/4" Vinyl Overlay	121
HARDBOARD
1/8" Paper Overlay	155-166
1/8" Vinyl Overlay	164
3/16" Vinyl Overlay	148
HARDWOOD PLYWOOD
Cherry 1/4" Factory Finished	160
Elm 1/4" Factory Finished	130-145
Hickory 1/4" Factory Finished	140
Lauan 1/4" Factory Finished Printed	99-141
Lauan 1/4" Vinyl Overlay	120
Lauan 3.6mm Factory Finished Printed	123-191
Lauan 3.6mm Vinyl Overlay	108-158
Lauan 3.6mm Paper Overlay	132-190
Maple 1/4" Factory Finished	155
Oak 1/4" Factory Finished	125-185
Pecan 1/4" Factory Finished	145-150
Pine 1/4" Factory Finished	120-140
Walnut 1/4" Factory Finished	138-160
SOFTWOOD PLYWOOD
1/4" Douglas Fir w/Medium Density Overlay 2	140
3/8" Douglas Fir w/Medium Density Overlay 3	110
3/8" Douglas Fir w/High Density Overlay 3	110
ORIENTED STRAND BOARD, WAFERBOARD (Exterior Glue4)
7/16" Phenolic Paper Overlay 3	150-155
FOOTNOTES 1 Source: Hardwood Plywood and Veneer Association Test Records, except as noted.  2 Canadian Wood Council, Fire Safety Design in Buildings, 1996. 3 APA - The Engineered Wood Association Test Results.  4 Exposure 1 or exterior.
Copyright © 1997, 1998, 2002 American Forest & Paper Association, Inc.