|
Value |
MAGBOARD |
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. |
2.2 |
3.1 |
1.6 |
1.9 |
2.4 |
2.0 |
|
Combustibility |
Non |
Non |
Burns |
Facing |
Facing |
Burns |
|
Structural |
Yes |
No |
Yes |
No |
No |
Yes |
|
Environmental |
Good |
Good |
Good |
OK |
OK |
Poor |
|
Freeze/Thaw |
Good |
Good |
Good |
Poor |
Poor |
Good |
|
Finish |
||||||
|
Interior |
Tape and paint |
Provide cladding |
Provide cladding |
Tape and paint |
Tape and paint |
Provide cladding |
|
Exterior |
Apply stucco or cladding
|
N/A |
Apply paper and stucco or cladding |
N/A |
Apply stucco or cladding |
Apply paper and stucco or cladding
|
