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Patina on brass?

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Patina on brass? Nate Nagel 02-11-2008
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Posted by Nate Nagel on February 11, 2008, 6:29 pm
OK, so I'm delving into an area that I know little about now...
DECORATING. Weekend before last, SWMBO and I ran up to this salvage
place and found a door for my bedroom closet, along with some doorknobs
and rosettes to match the rest of the house. Now in the rest of the
house, where I've been replacing wiring devices, I've been replacing
them with white Decora, per SWMBO. However, my own personal tastes are
a little more conservative; the little bedroom is MY ROOM and I'm doing
it up old school, with an Oriental rug and as much as I can, fixtures
roughly appropriate to the age of the house (1948.) I've already
located some of the real deal .040" thick brass receptacle and switch
plates with the nice crisp corners, and the wiring devices in that room
will be brown as would be typical. (never mind that this particular
house is, um, inexpensive enough that it would likely have had ribbed
Bakelite or other plastic plates, I'm exercising a little artistic
license here.)

Question is this. Some well meaning sort polished and lacquered the
plates for me already, and the knobs will have to be polished before
they are installed as they were lacquered as well but the lacquer wore
off in some places and is crazing in others. The brass in the rest of
the house (appears to have been originally unlacquered) has a nice brown
patina which SWMBO says she likes better than bright brass, and I tend
to agree with her. Is there some easy chemical means to acquire such a
patina, or should I just strip everything and polish it bright, install
it, and ignore it for a couple decades?

Sidebar question - the rosettes I picked up were brass plated steel. Is
this something that one could re-electroplate at home, or would it be
best to send them to a professional plating shop? I do have the
capability to electrolytically derust them and also have the ability to
buff them if a copper undercoat is required. The sum total of my
knowledge of plating is due entirely to my experience restoring old
cars, where I just send stuff off to the chrome shop (well, I did have
two little emblems gold electroplated for my '62 Stude hardtop, as
reproductions were not available, but I paid someone to do that as well.)

thanks,

nate

--
replace "roosters" with "cox" to reply.
http://members.cox.net/njnagel

Plumbing 468x60
Posted by Pete C. on February 11, 2008, 7:20 pm
Nate Nagel wrote:
>
> OK, so I'm delving into an area that I know little about now...
> DECORATING. Weekend before last, SWMBO and I ran up to this salvage
> place and found a door for my bedroom closet, along with some doorknobs
> and rosettes to match the rest of the house. Now in the rest of the
> house, where I've been replacing wiring devices, I've been replacing
> them with white Decora, per SWMBO. However, my own personal tastes are
> a little more conservative; the little bedroom is MY ROOM and I'm doing
> it up old school, with an Oriental rug and as much as I can, fixtures
> roughly appropriate to the age of the house (1948.) I've already
> located some of the real deal .040" thick brass receptacle and switch
> plates with the nice crisp corners, and the wiring devices in that room
> will be brown as would be typical. (never mind that this particular
> house is, um, inexpensive enough that it would likely have had ribbed
> Bakelite or other plastic plates, I'm exercising a little artistic
> license here.)
>
> Question is this. Some well meaning sort polished and lacquered the
> plates for me already, and the knobs will have to be polished before
> they are installed as they were lacquered as well but the lacquer wore
> off in some places and is crazing in others. The brass in the rest of
> the house (appears to have been originally unlacquered) has a nice brown
> patina which SWMBO says she likes better than bright brass, and I tend
> to agree with her. Is there some easy chemical means to acquire such a
> patina, or should I just strip everything and polish it bright, install
> it, and ignore it for a couple decades?
>
> Sidebar question - the rosettes I picked up were brass plated steel. Is
> this something that one could re-electroplate at home, or would it be
> best to send them to a professional plating shop? I do have the
> capability to electrolytically derust them and also have the ability to
> buff them if a copper undercoat is required. The sum total of my
> knowledge of plating is due entirely to my experience restoring old
> cars, where I just send stuff off to the chrome shop (well, I did have
> two little emblems gold electroplated for my '62 Stude hardtop, as
> reproductions were not available, but I paid someone to do that as well.)
>
> thanks,
>
> nate
>
> --
> replace "roosters" with "cox" to reply.
> http://members.cox.net/njnagel

A starting point:

http://www.caswellplating.com/kits/brass.htm

Posted by Joe on February 11, 2008, 7:43 pm


Nate Nagel wrote:

>snip<

Is there some easy chemical means to acquire such a
> patina,

Yes. Do the Google thing and query a restoration shop, etc. Recently
saw some reults a friend had done...really terrific.

>or should I just strip everything and polish it bright, install
> it, and ignore it for a couple decades?

No, definitely not. See above.
>
> Sidebar question - the rosettes I picked up were brass plated steel. Is
> this something that one could re-electroplate at home, or would it be
> best to send them to a professional plating shop?

>snip<

Let the pros do that chore. Brass plating is pretty fussy, and I've
been told there are a lot of closely guarded trade secrets, unlike
commercial plating where you can buy all you need as a chemical
package. Ask lots of questions and good luck.

Joe

Posted by on February 11, 2008, 11:41 pm
Next time (if there is a next time), you might want to just buy the
finish you want to begin with. Lots of companies sell "antiqued"
brass hardware - this one, for example:
http://houseofantiquehardware.com/s.nl/sc.9/category.139124/.f

I've used them for window locks and sash lifts, as well as one door
lockset and a set of hinges. I've never bought their receptacle or
switch plates but I'm sure they're just as good. I don't ever think
chemical aging looks really real (truly antique brass patinas
unevenly, whereas the chemical stuff is always a little too perfect),
but you're probably not going to do any better yourself than just
buying something that's pre-finished. And you'll save the time and
effort.

- Jeff

Posted by N8N on February 12, 2008, 11:47 am
On Feb 11, 11:41=A0pm, basscade...@yahoo.com wrote:
> Next time (if there is a next time), you might want to just buy the
> finish you want to begin with. =A0Lots of companies sell "antiqued"
> brass hardware - this one, for example:http://houseofantiquehardware.com/s=
.nl/sc.9/category.139124/.f
>
> I've used them for window locks and sash lifts, as well as one door
> lockset and a set of hinges. =A0I've never bought their receptacle or
> switch plates but I'm sure they're just as good. =A0I don't ever think
> chemical aging looks really real (truly antique brass patinas
> unevenly, whereas the chemical stuff is always a little too perfect),
> but you're probably not going to do any better yourself than just
> buying something that's pre-finished. =A0And you'll save the time and
> effort.
>
> - Jeff

I'm sure you're right, but I think I priced the covers I wanted at
rejuvenation and they were about $25 apiece; at less than $5 ea. on
fleaBay for the real deal vintage ones I will accept a less than
perfect finish :) A $5 box of screws from McMaster-Carr and I'm
done...

I don't think stripping the lacquer will be a problem; I've got the
technology at my disposal to handle that.

thanks to all for their comments, it looks like I've got some ideas to
try.

nate

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