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ILLINOIS ROOFING EXAM BUNDLE WITH TEST BANKS, FLASH CARDS, STUDY GUIDES WELL EXPLAINED AND VERIFIED UPDATED CONTENT % CHECK IT OUT
According to the architectural sheet metal manual, what is the minimum thickness of a 4" x 6" plain rectangular copper downspout? - correct answer 16 Oz When using step or channel flashing where a tile roof area intersects a side wall, NRCA recommends extending the flashing a minimum of ______ up ...
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