The 40-year Ply-Lo Extreme line of fasteners from East Coast Fasteners is designed for extreme environments.
Ply-Lo Extreme was tested in accordance to ASTM B117 for more than 3,000 hours of salt spray. With all the features of the original Ply-Lo fastener, the Ply-Lo Extreme is available in #10, #12 and #14, with a 40-year warranty.
Ply-Lo #12 is designed to secure metal panels in place and prevent separation in extreme environments. Ply-Lo #14 is designed for use on larger buildings and as replacements in extreme environments. All Ply-Lo Extreme fasteners are tested internally and by a third party.
The Ply-Low #10 Extended fastener, with a 12-year warranty, was tested in accordance to ASTM B117 for a true 1,000 hours of salt spray.