Step 2: Painting the Rebar

I painted all my rebar with primer and rust-preventive paint using a special technique I came up with.  A  piece of 3/4" diameter PVC pipe is bent to make a paint reservoir.  The rebar is pushed in one side, passes through the paint, and is scraped of excess paint as it exits by a conical silicone rubber tip attached to the end of the pipe.  The tip is formed over the conical end of a new cartridge of silicone and is trimmed with a knife to get the appropriate size hole. 

Rust can cause the rebar to expand and damage the cement, so for best quality work it is best to paint the rebar. 
This is truly amazing work!! Great job can't wait for coloring concrete
Amazing. Zipper stairs make so much sense but never seen them before. Aren't they always pulling abandoned/lost nylon nets from the sea, where they are a menace to sea life? You have a good re-use for them.
Somebody should organize the recycling of all that material. When there is demand for it, then maybe it won't all go to waste. Nylon-cement is a great way to use it.
I am green with envy, how gorgeous have you made your part of the planet. I would LOVE to have you as a neighbor for all the vicarious thrills I'd have watching you create (you might even let me help?), I admire you and your work GREATLY! You are a classic Reassurance man. <br>
auto correct turned Renaissance into 'reassurance' ah how more perfect the world would be without autocorrect... Thinkenstein, you are a real Renaissance man. Maybe you offer reassurance to friends too.
So, that was auto correct at work. I thought it was a humorous substitution. Either way, thanks.
Thanks, Widget.
I've read about how, when pouring a dam, they must pour layer 5 before layer 4 is 100% cured. If they don't, it wont bond. How long do you wait between layers? Have you experienced 1 layer not bonding to layer below it?
Pretty cool. Have you also considered mixing some sort of fiber into the concrete mix? I've seen mix available with short fiberglass fibers in it for strength. Maybe short nylon would be as good/ nearly as good. <br /> <br />I look forward to hearing about how well your work weathers over the years.
I have heard of such fiber additives, but have never used them. <br /> <br />It's all holding up pretty well thus far. The unpainted iron rebar in my earlier work is probably the most problematic element, as far as longevity goes.
I am all agog! Feel like crossing the pond, finding your wiggly-smooth houses with resident friendly path-snakes and coming for a cuppa whilst I paint you (onto canvas) not onto your skin. In the UK it's rainy but you said, cement isn't affected by water... really??? (dashes out into garden , paces all over it, cackling madly...)
Visitors are always welcome, especially creative ones who know how to cackle!
Well thanking you! I am so tired of corners. Not enough to stop me cackling though...
wow...I had seen your zipper stairs ible...and I thought that it was pretty cool...but the scope of this project is amazing. I want to see the finished product.
If you ever come to Puerto Rico you are welcome to visit.
Thanks...I might do that one day :)
Is it safe to assume this structure is to code in Puerto Rico? I only wonder because I haven't seen anything quite like it, facinating...and I'd like to try this out in Canada for my own house!! I know codes will be different, but all the same, perhaps there's an alternative I can use here.
Codes are a little lax this far out in the woods. Ferro-cement is accepted as a strong material, even for making ships. Design-wise, the dome is a very strong shape, and I consider the project to be a success.
Crazy look but very creative! 5 stars to you :)
You are am amazing person
Love this! We're lookin' into this for our house. First saw the idea a few years ago from the ppl at flyingconcrete.com
what country do you live in<br />
Puerto Rico<br />
I knew that design looked familar....My parents are from PR and I lived there as a kid a long time ago....do you have finhsed pictures of the house?
As far as I know, I am the only person in PR doing this kind of architecture.&nbsp; Attached are a couple more photos.<br />
I meant the windows and the whole cement type house...I loved the homes in PR whan I was kid. The Tin Roof was the best for taking naps when it rained
Ah yes!&nbsp; It has been many years since I last napped under a tin roof when it rained.&nbsp;&nbsp; It seems like most people now have cement slab roofs.&nbsp; They all seem to puddle water on top -- and they just don't sound as nice. <br />
Just wonderful! I loved the twisted vine look on the windows too.<br /> <br /> I like how you could fill in the top garden roof as a second story.<br /> <br /> By sending out arches&nbsp;(With proper foundations)&nbsp;you can expand how ever you need. Very cool!
this is sustainable and design wise looks good like on extreme vacation homes. it goes to show what can be done with old archetecture. cement can also gain strength by adding special fibers. vanitian plaster interior reflects the light and is black mold proof 25 % of the houses in the USA have black mold issues this stuccor construction is the way to go now just and solar wind hybride energy system you would be best thing going
&nbsp;Pretty cool.&nbsp;
Man, i gotta say i love your work, if i had the resources i would contribute to your termite mound city.<br />
For now, just keep thinking about it.&nbsp; Subscribe to me.&nbsp; I guess that keeps us in contact.&nbsp; More thoughts on the termite nest city idea will hopefully happen in the near future.&nbsp; <br />
You do some pretty cool stuff with cement, another nice one.<br /> <br /> L<br />
Thanks Lemonie.&nbsp;&nbsp; Glad you like it.&nbsp; <br />
Sort of thing I'd like to do, but not possible (yet)<br /> <br /> L<br />
Agreed! Be sure to post another photo after the plants cover the trellis.<br />
Wow that looks cool !<br /> I love the steps :)<br /> <br /> What country are you in ?<br />
Puerto Rico.&nbsp; Green all year.&nbsp; I love it.&nbsp; <br />

About This Instructable


58 favorites


Bio: I'm a refugee from Los Angeles, living in backwoods Puerto Rico for about 35 years now and loving it. I built my own home ... More »
More by Thinkenstein: Rubber Floor Mat Block Prints A Rubber Band and Stick Holding Trick Secretary Chair - drawing and table hack
Add instructable to: