-- The Home Page of the Finishing Industry
We've strived for 23 years to build a truly
good website. We feel it's worth your time smiley
    no popups, no spam
on this site
current topics
topic 60482

Galvanic corrosion nickel plated lightning rod on zinc coated roof

June 22, 2017

Q. I am installing a zinc coated copper roof, if they install a nickel plated lightning protection through it will there be an electrolysis between the 2 metals?

Robert Dillon
roofing - Vero Beach, Florida

July 2017

A. Hi Robert. Nickel plating is highly galvanically incompatible with zinc, and it's presence will accelerate galvanic corrosion of the zinc. However, it will probably not be a problem anyway because there is a lot more zinc than nickel, and rain water is not very conductive. A Bob Villa video claims the materials are compatible: although they're actually not, the experience of the installers is additional evidence that it probably won't actually be a problem. Good luck.


pic of Ted Mooney
Ted Mooney, P.E. RET
Pine Beach, New Jersey
Striving to live "Aloha"

This public forum has 60,000 threads. If you have a question in mind which seems off topic to this thread, you might prefer to Search the Site

ADD a Comment to THIS thread START a NEW threadView CURRENT TOPICS

Disclaimer: It's not possible to diagnose a finishing problem or the hazards of an operation via these pages. All information presented is for general reference and does not represent a professional opinion nor the policy of an author's employer. The internet is largely anonymous & unvetted; some names may be fictitious and some recommendations may be deliberately harmful.

  If you need a product/service, please check these Directories:

JobshopsCapital Equip. & Install'nChemicals & Consumables Consult'g, Train'g, SoftwareEnvironmental ComplianceTesting Svcs. & Devices

©1995-2018, Inc., Pine Beach, NJ   -   About   -  Privacy Policy
How Google uses data when you visit this site.