Roofing Fasteners

Fasteners at the gutter edge of a metal panel roof.

Fasteners with fastener plates securing polyiso insulation. (Yes, that is the FM-approved fastener pattern. It's a 40-story building.)

More Pictures:

1. Damage to a Fully-Adhered EPDM Roof Caused by Fastener Back-Out

Useful Links:

1. General: Steel Deck: "Fastening Steel Deck" is a decent short article from 2015 available on the Structure Magazine website.

2. General: Corrosion: Excellent article: "Fighting Fastener Corrosion" at the Professional Deck Builder website.

3. Chemical Compatibility: "Corrosion and Corrosion Resistance" is a useful and easy-to-follow technical bulletin provided by the Fastenal Company. Explains what material fasteners should be made out of in order to be used with which other materials. 

4. Chemical Compatibility: Also see "Dissimilar Metal Corrosion" by D. Matthew Stuart, a four-page presentation found on the website of PDH Online.

5. Technical: "American National Standard - Standard Field Test Procedure for Determining the Withdrawal Resistance of Roofing Fasteners" is made available on the TRUFAST website.

6. Technical: "Guide for Materials Selection and Design for Metals Used in Contact with Copper-Treated Wood" - the title is self-explanatory, the article is from 2013, and is made available by the US Department of Agriculture's Forest Service's Forest Products Laboratory

7. See here for a list of roofing fastener manufacturers.