With superior strength and spanning capability, Fabral Powerseam II is a high-performance, mechanically seamed standing seam roofing system. With 180 degree machine seaming, field rollforming and the ability to curve to a minimum 10’ radius, Powerseam II delivers performance and value to education, athletic and industrial projects. Shadow lines and stiffening ribs available.
|Air Infiltration||ASTM E283||0.01 cfm/ft2 @ 15 psf|
|ASTM E1680||<0.01 cfm/ft2 @ 1.57 psf|
|Water Penetration||ASTM E331||No water leakage @ 6.24 psf|
|ASTM E1646||No water leakage @ 2.86 psf|
|ASTM E2140||No leakage of standing water|
|Wind Uplift||ASTM E1592||Test results vary depending on gauge and panel thickness|