Concrete Lightbulb Wall Hook

 by whamodyne
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Step 7: Mount it on the wall

Now that you have this killer Concrete Lightbulb Wall Hook, it's time to mount it into the wall. The steps here are fairly simple.

1) Find the stud. This wants a wood stud in the wall. There are multiple ways to find a wood stud, I'm using a cheapie stud finder.

2) Drill the hole. Using a 1/4" drill bit, drill a hole 1.5" deep into the wall.

3) Screw it in. The hole is big enough that you can can screw it in, but the bite is good enough that it can hold just about anything you want to hang off it. Heavy overcoats, small children, whatever strikes your fancy.

4) Hang your hat. Or you could use it as a hat hook. It's all good.
 
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avisser says: Feb 17, 2013. 6:06 AM
Love that sheen on the concrete!
Honda Enoch says: Sep 30, 2012. 5:53 AM
I might try this with an energy bulb for that twisted look. :)
catmanduud says: Sep 22, 2012. 5:33 AM
its cool but whats it for
Honda Enoch in reply to catmanduudSep 30, 2012. 5:51 AM
See the last photo?
mganpate says: Jul 31, 2012. 11:01 AM
its very nice consept kindly share the pdf on mahesh.gan.143@gmail.com
azharz says: Apr 5, 2012. 6:54 AM
Nice Instructable, and I have an idea for you why not mix it with poster colour so the concrete bulb have shiny colour.
teja8045 says: Jan 24, 2010. 9:34 AM
hey i have a doubt that cement won't gets harder if there is no air how can we get it ?????can u reply me plz....................
DB.Cooper in reply to teja8045Sep 22, 2011. 3:15 PM
concrete cures best when it is not exposed to air. a 3000 psi rated mix will easily test to 5000 psi when kept in a sealed environment for a sufficient time.

concrete does not air dry like clay. it is a chemical reaction that causes it to harden, similar to an epoxy.

in fact during the construction and repair of bridges, oil wells, hydrolic cement is used and it will cure underwater. remember the well repair in the gulf of mexico?

the curing in a light bulb would be near perfect and if left long enough it would have the same tensil strength as granite or even greater.
mrmerino in reply to teja8045Aug 31, 2011. 9:29 AM
The cement doesn't need air to dry!
loofah3Thousnd says: May 9, 2009. 4:24 PM
I've attempted this 3 times now and every time I try it, the cement is never hardened. I crack open the bulb and the cement is not cured. What is the problem. Is there no air getting to it?
your_dragon113 in reply to loofah3ThousndApr 24, 2011. 5:05 PM
check your mixture and be sure to leave it for at LEAST 2 to 4 days before breaking the glass.

I've made quite a few of these, using about 6 different types/styles of light bulbs and they all have come out looking beautiful. This has been one of the most Fun istructibles I've found and played with. Top Notch!

;)
nontiso in reply to loofah3ThousndApr 10, 2011. 8:22 PM
concrete takes 1-2 days to set. industry standard for aplying a working load is 7 days for quick set and 28 day for normal concrete.
Valche in reply to loofah3ThousndSep 27, 2009. 3:16 PM
"Is there no air getting to it?" Really? It's sealed in glass, lol.
Cubie2 in reply to ValcheNov 11, 2009. 3:44 PM
cement doesn't need air to dry... thats because it doesn't dry, it SETS. It will even set underwater... that's the beuty of it. I think you just need to wait longer- wait like a week and THEN crack it open.
david_ in reply to loofah3ThousndMay 17, 2009. 9:01 PM
I believe the amount of water you use, type of cement, and humidity of where you are all determine how fast it sets. I know there is a quick-set cement that my pool guy used to install a rail in Phoenix that set super quick in the dry air. They said it takes a lot longer to set up in Cali because it is more humid. Maybe try a quick set, don't use too much water, and wait longer if it is humid.
rodrique says: Nov 18, 2010. 7:02 PM
i'll try it, i'll use some old bathroom light fixtures to....just mount them at the front entry and screw in five bulbs...good for coat-rack

on the setting of concrete.....if bulb is clean,,,including no soap, should be no problem, colord concrete could be used,
mixing yr concrete with fine sand thet is rough cracked rather than round aggregate gives better bond, a small amount of Elmers carpentry glue, acts as a bonding agent......all concrete bonding agents are take-offs on this stuff.
the dryer the mix, the harder the set...thet is, the water cement ratio.
i'd make it pourable, with some Elmers for elasticity. and use a squeeze bag...like cake decorators do.
now if yr placing a lag screw, it will not stay in place with too wet a concrete..
i would gently tapp the sides , and bottem of the bulb....vibration lets the air out, also brings water to top....because fines settle.
then i would take a blastic bottle cap.punch a starter hole in the centre, screw in the lag bolt, and work it down, tapping the bulb....it should fit right flush, wipe off excess and let set.........portland cement takes 28 days to set....but it will always draw moisture....because it is a fired calcium based material....it never quits setting...the original portlands found in ancient diggings still is working.
i recommend using a sealer too''''i do this often, or a clear epoxy.
why?
because it is one of the most mis-understod health hazards around.
sitting on cement, even walking on untreated floors....and living in cement base-ments thet have not been sealed, will draw the moisture and life force from the body....breathing in cement dust too is not right....but use gloves, the advice on glass breaking using heat sounds ok....but why not try hot water, boiling--then cold....i have not yet....i wish you well
it's too cold 4 me right now....gotta let this one wait
ninethirteen says: Nov 7, 2010. 7:52 AM
Nice doorknob too.
terribug says: Jan 2, 2010. 12:05 AM
I wonder if you could use burned-out bulbs?  Have you tried that?
owenaero in reply to terribugSep 20, 2010. 6:27 AM
yes that would be the best after all you destroy it.
Frogz in reply to terribugJan 27, 2010. 10:36 PM
naw, you NEED to use a new light bulb or else it wont have an intact filiment
the use of the filiment?
to keep the thetons from disturbing the e-meters!
skaterqwertyuiop in reply to FrogzJan 31, 2010. 6:31 PM
 LOL, Scientology is no more insane than all of the other religions out there :P.

Garlikguy in reply to skaterqwertyuiopSep 19, 2010. 4:40 PM
Lol, yeah...
Helder4u in reply to skaterqwertyuiopApr 1, 2010. 2:36 PM
I believe (!?)  - that so called religion, is almost unparalleled regarding insanity - LOL.
reed9driver in reply to Helder4uJan 6, 2011. 7:13 PM
All religion is merely each cultures way of explaining our existence, and a way for man to never feel alone......Cool Light Bulbs though!!
terribug in reply to Helder4uApr 1, 2010. 7:30 PM
I believe it is only surpassed by those celebrating their religious holiday today:  atheists.  Psalm 14:1  "Only the fool says in his heart, 'There is no God.'"  Happy Holidays, non-believers.
ARJOON in reply to terribugSep 19, 2010. 11:57 AM
i totally agree with u. it is just a business and to gain leadership
skaterqwertyuiop in reply to terribugApr 1, 2010. 7:34 PM
 I guess that makes me a fool :P
kibbler in reply to skaterqwertyuiopSep 10, 2010. 11:03 AM
Join the club. Muahahaha
skaterqwertyuiop in reply to Helder4uApr 1, 2010. 7:09 PM
 Don't even get me started on Christianity... 
Monitors will shatter.
Everyone is entitled to their opinions. 
skaterqwertyuiop in reply to skaterqwertyuiopJan 31, 2010. 6:32 PM
 I meant that in a totally serious way.
jonnhye says: Jul 8, 2009. 12:09 PM
pffffffffff!!!!!!!!!!!!!estaria mejor hecho si le pones un led dentro!!!!!!!!
sanidpv says: Jul 6, 2009. 2:01 AM
time consuming project , but it is nice
amg1293 says: Jul 1, 2009. 5:39 PM
WoW i´m definitly going to make one
ferdemci says: Jun 29, 2009. 6:42 AM
wow this is amazing!!!
charlynorte says: Jun 27, 2009. 11:48 AM
Muy bueno
karpoff says: Jun 17, 2009. 8:51 PM
OMG amazing!!!
mastermayhem117 says: Apr 13, 2009. 11:43 AM
Just a thought, quicker way to remove glass. blow torch, gently heat but not too long. Bucket of cold water... Shouldn't crack the cement as long as you don't heat it too long. glass should shatter quite nicely though.
SLJ77 says: Apr 9, 2009. 11:19 PM
Maybe a piping bag would work to get the mortar into the bulb. Also wrapping the set bulb with a piece of cloth and tapping it on a concrete floor (like cracking a boiled egg) would reduce the danger of glass flying. The cloth and glass can then be wrapped for safe disposal.
Soupraok says: Jun 8, 2008. 9:31 AM
You should try to do this on a compact fluorescent
This link will show you how to take it apart, but be careful they contain mercury
fordman15243 in reply to SoupraokJun 14, 2008. 7:05 PM
im just wondering, but why is it so "dangerous" to play with mercury, yes I know the fumes are poisonous and everything, but my dad tells me stories of when he was in school, they, dare I use the term, stole mercury from the science lab and everyone on the bus was rolling it around in the bare hands WITHOUT masks or anything, so for just a drop of mercury I would just play with it!!! (yes, im 14)
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