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I am adding a slate roof to my house and am in a bit of a quandary.
My builder and roofer want to use electroplate galvanized nails. The Slate Bible says to use copper nails and NEVER use electroplate galvanized. I brought this to the builders attention and he said he has been using the galvanized nails for 30 years and never had a problem. What is the correct nail to use and why? If it’s true that electroplate galvanized nails will rot away when in contact with slate, how long would the nails last in the North East America before there was a problem?
The Slate Bible also says that hot-dipped galvanized nails could be used but never electroplate galvanized. I check all the local sources and could not find a supplier for hot-tip galvanized. Is it probable that 30 years ago (when the builder was an apprentice), hot-tip nails were used on slate and electroplate were not available? Just looking at the nail, how could you tell which is hot-tip and which is electroplated?
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I am adding a slate roof to my house and am in a bit of a quandary.
My builder and roofer want to use electroplate galvanized nails. The Slate Bible says to use copper nails and NEVER use electroplate galvanized. I brought this to the builders attention and he said he has been using the galvanized nails for 30 years and never had a problem. What is the correct nail to use and why? If it's true that electroplate galvanized nails will rot away when in contact with slate, how long would the nails last in the North East America before there was a problem?
The Slate Bible also says that hot-dipped galvanized nails could be used but never electroplate galvanized. I check all the local sources and could not find a supplier for hot-tip galvanized. Is it probable that 30 years ago (when the builder was an apprentice), hot-tip nails were used on slate and electroplate were not available? Just looking at the nail, how could you tell which is hot-tip and which is electroplated?