With superior strength and spanning capability, Fabral Power- seam is a high-performance, mechanically seamed structural standing seam roof panel. With single and double locked seaming, and the ability to curve to a 10’ minimum radius, Powerseam is highly optimizable for your project. This standing seam roof panel, available with the unlimited color options inherent to all Fabral products, is primed for use in demanding applications such as education and mixed use.

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Product Description
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-Acceptable Product: Fabral Powerseam -Air Filtration:
ASTM E1680 - 0.01 cfm/ft sq @ 15psf
ASTM E283 - 0.01 cfm/ft sq @ 20psf -Water Penetration:
ASTM E1646 - No water leakage @ 20psf ASTM E331 - No water leakage @ 6.24psf ASTM E2140 - No leakage of standing water
-Wind Uplift:
ASTM E1592 - Test results vary depending on gauge & panel thickness UL 580 - Class 90, #90, 176, 180, 238, 548, 549
FM* - 1-60, 1-75, 1-90, 1-120, 1-165, 1-180-Class 4 Impact: UL 2218
-Class A fire: UL790
*FM and FL approvals on Powerseam only

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Design Information
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-Roof Slope: Minimum required - 1:12
-Purlin Spacing: Maximum - 5’ on-center
-Panel Length: Maximum - 65’ Minimum - 4’
-Panel Width: 12”, 16”, 18”
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Product Installation
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-Field Curving: Minimum radius 200’
-Factory Forming: Minimum radius 10’
-Tapering available upon request

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