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Galvalume is a coating comprised of 55% zinc and 45% aluminum. It is commonly used on steel roofing as a way to protect it from corrosion and has great reflectivity and is long lasting.
V-Crimp is a particular type of metal roofing (other people call it 5V-Crimp).
Some people use these terms interchangably.
Essentially you could have a v-crimp roof coated with Galvalume.
See the drawing attached showing Galvalume coating and 5V-Crimp panel style.
11/21/2008
11/22/2008
Isaiah Industries, Inc.
11/22/2008