[Noisebridge-discuss] Made at Noisebridge - Concrete Stove

Rikke Rasmussen rikke.c.rasmussen at gmail.com
Wed Sep 4 16:20:42 UTC 2013


It looks amazing! Rockin' job, Jarrod!

On Wed, Sep 4, 2013 at 11:20 AM, jarrod hicks <hicksu at gmail.com> wrote:

> I started by watching several youtube videos explaining the process of
> creating concrete counter tops in various ways.
> I ended up choosing quikrete 5000 for concrete. This comes in 60 or 80
> pound bags with cement, sand, and a small rock aggregate already mixed
> together. Only water has to be added. We used a pretty dry mix that was
> hard to work with, but should turn out strong. The concrete layer is at
> least 2" thick, some of the videos I saw said one could get away with 1.5"
> thick.
> We used a welded wire concrete reinforcing mesh inside the counter-top
> about 1/2" from the bottom of concrete. Most instructions recommended using
> reinforcement to control cracking. Although I couldn't find it nearby,
> another recommended reinforcement material was masonry block ladder wire.
> The forms were attached to the table, protected with polyurethane, and we
> poured directly onto it. The other popular way of making these counter tops
> is to pour into a form that is separate from the counter so that the nice
> flat bottom of the form becomes the nice flat top of the counter.
> After removing the forms, I patched any large voids with pour stone. If we
> used a slightly wetter concrete mix and more vibration we probably could
> have greatly reduced these.
> The top was finished using hand trowels during the pour and a masonry
> grinding wheel with our grinder/polisher after 7 days of curing. Then
> covered with a generous coat of penetrating concrete sealer.
> Cheers
> On Wed, Sep 4, 2013 at 3:46 AM, Frantisek Apfelbeck <algoldor at yahoo.com>wrote:
>> Hi Jarrod,
>> Thanks a lot for the info! I'm actually going to build table with
>> concrete top in next few days and it is my first time. I wonder could you
>> recommend me how shall I approach the top concrete layer? Is it just cement
>> mixed with water no sand no iron for strengthening? How thick do you think
>> I should go? There is no stove in it, the propose of the table is to serve
>> as a preparation place handling however hot stuff (it is suppose to handle
>> the thinks coming out of the oven). Also I wonder what is the concrete
>> finish which you are mentioning in the how to?
>> The table is going to be used in a small hostel here in Jeju (island
>> South of South Korea - part of the country) next to the concrete oven which
>> I helped to build. I'm one of the cofounders of Tastebridge so it is really
>> nice to see any project like this to help to keep the food hacking in the
>> game in the place!
>> Many thanks for any info and your time and effort with the project!
>> Sincerely,
>> Frantisek Algoldor Apfelbeck
>> biotechnologist&kvasir and hacker
>> http://www.frantisekapfelbeck.org
>> "There is no way to peace, peace is the way." Mohandas Karamchand Gandhi
>>   ------------------------------
>>  *From:* jarrod hicks <hicksu at gmail.com>
>> *To:* NoiseBridge Discuss <noisebridge-discuss at lists.noisebridge.net>
>> *Sent:* Wednesday, September 4, 2013 10:10 AM
>> *Subject:* [Noisebridge-discuss] Made at Noisebridge - Concrete Stove
>> Here is some photo documentation of the new stove that I installed
>> yesterday. Big thanks to all that helped, and those that resisted writing
>> their names in the concrete while it cured.
>> https://noisebridge.net/wiki/Concrete_Stove
>> Cheers.
>> (If anyone feels the urge to send some cash my way to help offset the
>> materials cost, that would be sweet and it would likely end up spent on the
>> next Noisebridge improvement anyway. No worries though, it was a fun
>> project.)
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