LIT 1001 (X-Grade Physical Properties) 032514Rigid Insulation
®
ATLAS, the Globe Logo, Solutions. Delivered., the color Pale Creamy Orange, ThermalStar and X-Grade
are registered trademarks of Atlas Roofing Corporation
Atlas EPS, a Division of Atlas Roofing Corporation 8240 Byron Center Ave SW, Byron Center, MI 49315 (800) 917-9138 www.atlaseps.com
X-Grade® Physical Properties— Typical Load
Compressive Strength @ 10% Deformation 15 25
hcni / 02.4 hcni / 02.4 815C F57 ta eulav-R
Product Name X-Grade® 15 X-Grade® 25
Typical Applications
Cavity Wall
XPS Substitution
Perimeter
Below Slab
XPS Substitution
Sheathing
ASTM C578 Classification Type II Type II
hcni / 7.4 hcni / 6.4 815C F04 ta eulav-R
R-value at 25F C518 4.8 / inch 4.9 / inch
isp 0.11 isp 8.8 7186D %1 @ noisserpmoC
Flexural Strength (minimum psi) C203 42 psi 55 psi
isp 05 isp 04 3261D htgnertS elisneT
Shear Strength C273 26 psi 38 psi
hcni / 042.0 hcni / 042.0 F57 ta rotcaF-K
Water Absorption C272 1.5 vol% max 1.25 vol% max
xam mrep 5.2 xam mrep 5.2 69E ytilibaemreP ropaV retaW
Surface Burning
US via E84 = Flame Spread 20, Smoke Developed 400
Canada via CAN/ULC S102.2 = Flame Spread 290, Smoke Developed
> 500
Termite Resistance 2nd Generation EPS registered Termiticide validated by lab and field
exposure testing
Mold Resistance NO growth of mold as tested via ASTM G21, D3273 and C1338
Freeze / Thaw Exposure NO degradation of thermal resistance, dimensional stability or strength
after ASTM C1512 moisture / temperature cycling test for insulation
15-year Below Grade NO degradation of thermal resistance, dimensional stability or physical
strength after 15-year foundation exposure test
*The physical properties listed above are presented as typical average values as determined by accepted ASTM test methods and are subject to normal manufacturing variation.
This data is offered as a service to our customers and is subject to change. All information can be confirmed by contacting the Atlas EPS Technical Department.
Rigid Insulation
®
X-Grade® Physical Properties— High Load
Compressive Strength @ 10% Deformation 40 60
hcni / 04.4 hcni / 02.4 815C F57 ta eulav-R
Product Name X-Grade® 40 X-Grade® 60
Typical Applications Below Slab
XPS Substitute
Below Slab
XPS Substitute
ASTM C578 Classification Type XIV Type XV
hcni / 7.4 hcni / 7.4 815C F04 ta eulav-R
R-value at 25F C518 5.0 / inch 5.0 / inch
isp 0.02 isp 0.51 7186D %1 @ noisserpmoC
Flexural Strength (minimum psi) C203 75 psi 95 psi
isp 09 isp 07 3261D htgnertS elisneT
Shear Strength C273 45 psi 58 psi
hcni / 722.0 hcni / 042.0 F57 ta rotcaF-K
Water Absorption C272 1.25 vol% max 1.0 vol% max
xam mrep 5.2 xam mrep 5.2 69E ytilibaemreP ropaV retaW
Surface Burning US via E84 = Flame Spread 5, Smoke Developed 170
Termite Resistance 2nd Generation EPS registered Termiticide validated by lab and field
exposure testing
Mold Resistance NO growth of mold as tested via ASTM G21, D3273 and C1338
Freeze / Thaw Exposure NO degradation of thermal resistance, dimensional stability or strength
after ASTM C1512 moisture / temperature cycling test for insulation
15-year Below Grade NO degradation of thermal resistance, dimensional stability or physical
strength after 15-year foundation exposure test
*The physical properties listed above are presented as typical average values as determined by accepted ASTM test methods and are subject to normal manufacturing variation.
This data is offered as a service to our customers and is subject to change. All information can be confirmed by contacting the Atlas EPS Technical Department.
LIT 1001 Rev 03-25-2014