Has anyone heard that I can't use galvanized nails with cedar wood. Someone has
suggested that I will get some sort of chemical reaction. This will be used on
the outside of my house with a good coat of latex paint covering it. Tks. Chuck
If you do not want the nails to "bleed" all over the holes use stainless.
The reaction is to the stuff in cedar that makes it the wood resist rotting.
Does not matter if the nails are painted over they will rust in short order.
Mine did and I switched to stainless - no more rot and no more bleeding
P D Q
I had a gorgeous cedar clapboard job ruined because the nails gave up
the ghost. The dark streaks made it an eyesore. If it's painted
you'll _probably_ not have a problem with galvanized nails, but I'd
use stainless anyway. It's cheap insurance.
Yes, sounds right. When we bought cedar to clad my folks' retirement
home, the supplier warned us against galv and suggested bronze or
stainless nails. We used the bronze ... just have to be careful to hit
them square on (which is why we didn't let my father nail any). He's an
old sailor with two left hands and 10 thumbs.
Well, McFeeley's is in the business of selling stainless steel nails,
so they might be a bit overselling, but here's a link that claims hot
dip galvanized nails aren't the best option with Western Red cedar:
On the other hand, the Cedar Shake & Shingle Bureau recommends
stainless, hot-dipped zinc, or aluminum nails.
Suffice to say, the coating on a galvanized nail might fail and might
stain, while stainless will not.
If you go with galvanized, get double hot-dipped nails, which should
eliminate defects in the coating that will stain.
I have not heard that "you" can't". ;~) I build more fences than the
average wood worker. I build them with cedar and galvanized ring shank
nails, in a nail gun. You will get some discoloration, eventually, if left
exposed to the elements.
IF you are also using any "modern pressure treated wood" be sure and get
the ACQ specified galvanized nails or they will react with the PT wood and
Hot-dip galvanized nails should work ok, provided that they have a
good, thick coating. The problem I've seen in the past few years is
that the coating is not nearly as thick as in the past, and it can
crack and flake when being pounded in to the wood. Of course, a path
for water into the steel will lead to bleeding.
When I installed my cedar deck, all of the reputable advice (e.g., not
from the fastener manufacturers) recommended stainless steel fasteners
for cedar, so I swallowed hard and bought stainless. Still looks
great! Except now I kick myself for not swallowing a bit harder and
buying ipe decking.
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