Determines the resistance of exterior metal roof panel systems to air infiltration resulting from either positive or negative air pressure differences.
0.051 cfm at 6.24 psf static pressure0.066 cfm at 12 psf static pressure
Determines the resistance to water penetration of metal roof panels under uniform positive static air pressure differences
No uncontrolled water penetration through the panel joints at a static pressure of 20 psf
Foam Properties
Foam Density
ASTM D1662
Determines the apparent density of rigid cellular plastics.
2.0 pcf
Foam Compressive Strength
ASTM D1621
Determines the behavior of cellular materials under compressive load
42 psi
Foam Tensile Strength
ASTM D1623
Measures the tensile strength of the foam from a cored sample
30 psi through-thickness
25 psi lowest any other direction
Foam Shear Strength
ASTM C273
Measures the shear strength of the foam from a cored sample
15 psi lowest in any direction
Closed Cell Content
ASTM D6226
Determines the porosity of cellular plastics for situations where it has a direct effect on their properties such as thermal resistance and water absorption
97.8%
Fire Resistance
Surface Burning Characteristics
ASTM E84
Provides comparative measurements of surface flame spread and smoke density measurements relative to that of select grade red oak and fiber-cement board surfaces under specific fire exposure conditions
Flame Spread index of 15, Smoke Developed index of 75
Room Fire Performance
FM Global Standard 4880
Evaluates insulated roof and wall panels, interior finishes or coatings, and exterior wall systems for their performance in regards to fire
Class 1 Rating of interior wall and roof panels for use in unlimited height structures
Roof Covering Fire Performance
ASTM E108
Provides a basis for relative performance of roof coverings in regards to simulated fire exposure to the outside
Class A Rating
Structural
Uplift Resistance
ASTM E1592
Provides a standard procedure to evaluate or confirm structural performance under uniform static air pressure difference
See Load Chart Section
Positive Load Resistance
ASTM E72
Tests the behavior of segments of wall construction under conditions representative of those encountered in service
See Load Chart Section
Roof Listings
Roof Performance – FM Global®
FM Global Standard 4471
Sets performance requirements for panel roofs including uplift resistanceRequires a Class 1 Rating by FM Global Standard 4880 as a prerequisite
Class 1-75 Rating for IBL supported at 7’ O.C.Class 1-90 Rating for IBL supported at 5’ O.C.
Roof Performance – Underwriters Laboratories®
UL 580
Determines the uplift resistance of roof assemblies consisting of the roof deck and roof covering materials
Class 90 Rating – Construction numbers 499 and 500
