| Value |
9/16" DRAGONBOARD |
Cement Board |
Plywood |
Gypsum Wallboard |
Gypsum Sheathing |
O.S.B. |
| Flame Spread |
0 |
0 |
High |
Low/15 |
Low/10 |
High |
| Smoke Developed |
None |
None |
High |
Low |
Low |
High |
| Water Resistant |
Yes |
No |
No |
No |
No |
No |
| Mold/Mildew Resistant |
Yes |
Yes |
No |
No |
No |
No |
| Termite Resistant |
Yes |
Yes |
No |
Yes |
Yes |
No |
| Thermal Insulation R-Value per inch |
1.2 |
0.8 |
1.2 |
0.9 |
1.1 |
1.0 |
| Impact Strength |
High |
Medium |
High |
Low |
Low |
Medium |
| Weight lbs/sq.ft. |
3.06 |
3.1 |
1.6 |
1.9 |
2.4 |
2.0 |
| Combustibility |
Non/Com PerUL |
Non/Com |
Burns |
Facing |
Facing |
Burns |
| Structural |
Yes |
No |
Yes |
No |
No |
Yes |
| Environmental |
Good |
Good |
Good |
Fair |
Fair |
Poor |
| Freeze/Thaw |
Good |
Good |
Good |
Poor |
Poor |
Good |
2-HOUR 
