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.


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







MINERAL AND FIBER BOARDS
FOR ROOFING SYSTEMS
CLASSIFIED BY

UNDERWRITERS LABORATORIES, INC.

AS TO EXTERNAL FIRE EXPOSURE ONLY
ILO8, R14206
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

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)


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.