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General Index - National Roofing Contractors Association

General Index - National Roofing Contractors Association

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11. ASTM E 331 water penetration12. ASTM E 1646 water penetration13. ASTM E 283 air infiltration14. ASTM E 1680 air infiltration15. FM/UL wind uplift ratingsUsers of the guide who are interested in additionalinformation regarding metal panel roof systems areencouraged to refer to The NRCA Metal <strong>Roofing</strong>Manual or The NRCA <strong>Roofing</strong> and WaterproofingManual, Fourth Edition.33

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