What are the differences between Galvalume roof systems that use concealed and exposed fasteners?
• 14. Galvalume sheet can be attacked by concrete and mortar. How are such attacked areas on Galvalume roofing and siding best repaired? • 15. Can I place bare or prepainted Galvalume sheet in contact with the concrete foundation footer? • 16. What is the life of a prepainted Galvalume roof or wall? • 17. Can pressure-treated wood be used in contact with bare and prepainted Galvalume sheet? • 18. Where can I buy a Galvalume roof and how can I get a list of Galvalume roof suppliers for my area? • 19. How do the costs of both new and retrofit low slope Galvalume standing seam roofs compare with traditional flat nonmetallic roofs?