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Engraving granite DIY


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#1 JKor

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Posted 13 September 2019 - 02:48 PM

I have a granite mailbox post that only has my house number on one side.  That side used to face the road but I changed the orientation so now only cars approaching from one side can see the number.  It's kind of annoying because it does cause people to go up my neighbors driveway fairly often (even though he has a number on his box).  It's tough to tell whose driveway is whose because both houses are set fairly far back from the road.  Anyway, I had a local guy quote to do an in-place engraving.  He came back with $350.  It seemed like a lot but I just wanted to get it done so I gave him the ok, but he never responded after multiple attempts to contact him.  i think he assumed I would have told him to pound for that price but apparently I'm a sucker.

 

So, now I'm just going to do it myself.

 

1.)  Any recommendation on grinding bits?  I figure the carbide dremel bits will probably work.  The numbers are about 1/4" across and cut in maybe 1/8".

2.)  What is the black paint they paint the numbers with after being engraved?  Is it something special or just a plain 'ol black enamel.

 

Looks like this:

 

mailbox-granite-post-swenson-granite.jpg


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#2 dondewey

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Posted 13 September 2019 - 03:01 PM

Rubber stencil and grit blasting would be my method of choice.
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#3 Vagus

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Posted 13 September 2019 - 03:29 PM

I have a granite mailbox post too. Now.


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#4 TonyBrown

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Posted 13 September 2019 - 03:33 PM

My dads neighbor does a lot of this stuff as a side biz, I’ve never watched how he does it tho
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#5 EWW

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Posted 13 September 2019 - 04:10 PM

I’d call around to the people who make grave markers in the area and get a quote.
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#6 dondewey

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Posted 13 September 2019 - 04:13 PM

My fear using an engraver would be holding it steady enough to get super straight lines. A stencil makes that easy. Looks like some videos on YouTube about doing this with sandblasting.
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#7 Ineedacatscan

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Posted 13 September 2019 - 04:16 PM

DIY in this case seems like a recipe for a shitty product.
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#8 JKor

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Posted 13 September 2019 - 04:22 PM

I’d call around to the people who make grave markers in the area and get a quote.


That's who gave me the quote of $350.
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#9 TonyBrown

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Posted 13 September 2019 - 04:24 PM

DIY in this case seems like a recipe for a shitty product.

yup
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#10 JKor

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Posted 13 September 2019 - 04:28 PM

Hmmm, interesting. Seems to me like it would be fairly easy.
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#11 dondewey

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Posted 13 September 2019 - 04:32 PM

We blast a lot of stuff at work. You can eat through stainless steel in seconds, but a simple strip of electrical tape will perfectly protect the area you want unblasted. For something like this where you are going pretty deep, you probably need some actual rubber sheeting.
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#12 Ineedacatscan

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Posted 13 September 2019 - 04:42 PM

Hmmm, interesting. Seems to me like it would be fairly easy.


I think you can pull off a solid 10’ product. But get any closer and it’s gonna be fuzzy lines and soft corners.

I would always be comparing it to the professional side and it would eat me up.
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#13 dondewey

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Posted 13 September 2019 - 04:47 PM

I think you can pull off a solid 10’ product. But get any closer and it’s gonna be fuzzy lines and soft corners.

I would always be comparing it to the professional side and it would eat me up.


Easy enough to test on a chunk of rock.
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#14 TonyBrown

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Posted 13 September 2019 - 04:54 PM

Hmmm, interesting. Seems to me like it would be fairly easy.

with the correct equipment it probably is, getting your hands on that might be pricey
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#15 Dave

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Posted 13 September 2019 - 04:54 PM

I think I might just paint a '4' on the mailbox and congratulate myself on a jorb well done.


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#16 dondewey

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Posted 13 September 2019 - 05:05 PM

I swear the idiots in my neighborhood have no idea how to fix anything. There are about 40 houses all built at the same time by the same people. Mailboxes posts all started to get shitty at the same time (about 10 years from construction). Basically they are just a 6x6 post with a couple of boards attached at a 90 deg angle with the mailbox on top of that cross member. They all started sagging when the cross member got old and rotten. Ripped mine off, replaced with new weatherproof boards, painted, good to go. Easy.

Various solutions my neighbors have employed:

-Letting the mailbox hang at a dramatically sloped angle

-directly screwing a completely different sized mailbox right to the post

-sawing off the top of the post and setting the mailbox on top

-my favorite: carefully piling some heavy rocks on the other side of the cross beam to counterweight the tipping of the mailbox.

Edited by dondewey, 13 September 2019 - 05:07 PM.

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#17 TonyBrown

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Posted 13 September 2019 - 05:10 PM

so don is obviously living in Redneckistan


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#18 dondewey

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Posted 13 September 2019 - 05:32 PM

I thought rednecks would have at least been handy!

My neighbors mostly seem like city folks who wanted to experience "country" life, or hillbillies who somehow came into some cash. These are all 3kft houses on at least 6 acres.
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#19 TonyBrown

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Posted 13 September 2019 - 05:40 PM

Damn
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#20 dondewey

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Posted 13 September 2019 - 06:35 PM

Oh. Forgot. One of them actually re-nailed the boards and painted! Then, to replace the numbers, instead of dropping $2.50 at Lowes on some of the nail on plastic or metal ones, they used a freaking black magic marker!
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