MikeD74T
Veteran Member
Looks like Alcoa Thrifty Rib
http://www.alcoa.com/global/en/products/product.asp?prod_id=1516&Business=&Product=&Region=
I took down & reassembled a 120x x50 barn with this roofing. Was new in 1966, salvaged it all. The wind will tear it if the fasteners get loose and most people won't go up on a roof and bang the nails back in occasionally. I used screws for the reassembly.
http://www.alcoa.com/global/en/products/product.asp?prod_id=1516&Business=&Product=&Region=
I took down & reassembled a 120x x50 barn with this roofing. Was new in 1966, salvaged it all. The wind will tear it if the fasteners get loose and most people won't go up on a roof and bang the nails back in occasionally. I used screws for the reassembly.