This strong, durable board is manufactured from hardy northern
wood fibers and incorporates up to 15% recycled fiber. Asphalt
impregnation increases strength and adds a high resistance to
moisture. Roof Board is available uncoated or one side asphalt
coated.
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ADVANTAGES
|
PROPERTIES
|
Dimensional
Stability
Economical |
Compressive
Strength
Water Absorption |
1/2"
- 39psi
3.5% by Vol. |
| Reliable
Service |
R-Value
1/2" |
1.32 |
CERTIFICATION & COMPLIANCES
ASTM C208, C209
CAN/CSA A247-M86
UL Listed
790 Class A
|
|
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MINERAL AND FIBER BOARDS
FOR ROOFING SYSTEMS
CLASSIFIED BY
UNDERWRITERS LABORATORIES, INC.
AS
TO EXTERNAL FIRE EXPOSURE ONLY
ILO8, R14206
|
|
|
|
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SIZE
|
PCS/UNIT
|
SQ/UNIT
|
UNITS/TRK
|
SQ/TRK
|
|
1/2"
4x8
|
95
|
30.4
|
22
|
668.8
|
|
1/2"
4x4
|
95
|
15.2
|
44
|
668.8
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PHYSICAL
PROPERTIES
1/2" Roof Board - Regular Density Grade 1
|
|
Property
|
Average
Result
|
ASTM
C208
(Grade 1, 1/2" Roofboard)
|
CAN/CSA-A247
-M86 Criteria (Type 1, 12.5 mm)
|
|
Transverse
Strength
|
|
|
|
|
-Lbf.
|
10.8
|
7
(min)
|
6.7
(min)
|
|
-N
|
48.0
|
31.1
(min)
|
30
(min)
|
|
Modulus of Rupture
|
|
|
|
|
-psi
|
239
|
140
(min)
|
N/A
|
|
-kPa
|
1648
|
965
(min)
|
N/A
|
|
Tensile Strength
Parallel to Surface
|
|
|
|
|
-psi
|
185
|
50
(min)
|
50.8
(min)
|
|
Tensile Strength
Perpedicular to Surface
|
|
|
|
|
-psf
|
1440
|
500
(min)
|
500
(min)
|
| -kPa |
82.7
|
23.9
(min)
|
23.9
(min)
|
Compressive Strength
at 10% Deflection |
|
|
|
| -psi |
39.3
|
N/A
|
N/A
|
| -kPa |
271
|
N/A
|
N/A
|
Water Absorption %
by Volume |
3.7
|
10 (max)
|
10 (max)
|
Linear Expansion,
50-90% RH, Max. % |
0.28
|
0.50 (max)
|
0.50 (max)
|
Thermal Conductivity (k) Max
Btu•in/h•ft²•ºF
(W/m•k) at mean temp. of
75±5ºF (24± 3ºC) |
0.053
|
0.055
|
0.055 (max)
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General Warranty:
Any
deviation from our current installation instructions voids all warranties,
both express and implied, including IMPLIED WARRANTIES OF MERCHANTABILITY
and FITNESS FOR A PARTICULAR PURPOSE. In addition, International Bildrite,
Inc. will not be liable for any lost profits or other consequential,
exemplary, incidental, indirect or special damages sustained on any
loss caused by application of woodfiber roof insulation in deviation
or departure in any way from our current written application instructions.
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