#11  
Old 09-15-2007, 06:42 PM
barbarian's Avatar
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Default Re: Dogloo as a form

spray cooking oil will do fine
for the size why not cutting the base down before starting to lay the bricks?

also to remove it you might want to cut it in sections and use some masking tape to keep it together (or nothing)

but for plenty of fun leave it in place until the oven is ready for firing
then fire it with the dogloo in it .. don't forget to take pictures
I admit it I did look at one myself and it looks interesting enough to try
but then again I think using a sand mold would probably be a better idea or just as good..

Quote:
Originally Posted by asudavew View Post
I was thinking about you Dogloo idea, and I may have possibly improved upon the idea.

Why not smear Vaseline all over the house, then several layers of tissue paper.
Then, using newspaper and thinned out Elmer's glue, place 5 or 6 layers of paper mache over the top. After drying, the paper house should pop right off (thanks to the Vaseline) and could be used for the form. It would easily burn out on the first firing. And you would still have your Dogloo.



The height could even be adjusted by cutting a dome off of the completed paper mache Dogloo and lowering it or raising it with some more paper mache "band aids"


Just my thoughts.
What does everyone think?

Dave
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  #12  
Old 03-02-2010, 06:15 PM
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Default Re: Dogloo as a form

Spray or rub some cheap veg oil on the dogloo. Pour the castable over, if you are worried about contaminating the mix lay same thin plastic film like saran wrap or similar material the oil will keep the plastic on the dogloo.
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  #13  
Old 03-03-2010, 02:41 AM
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Default Re: Dogloo as a form

Ordinary motor oil applied with a brush is quite adequate and cheap.
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  #14  
Old 03-03-2010, 02:47 AM
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Default Re: Dogloo as a form

how about using two... a smaller one insde a bigger one, You could pour your refractory cement into holes cut into the bigger one,, when you done, lift off the "greased" outside shell and pull out the pre-cut inner one ??

Last edited by ThisOldGarageNJ; 08-16-2010 at 05:54 PM.
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  #15  
Old 03-05-2010, 04:37 AM
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Default Re: Dogloo as a form

If you have a dogloo that just needs a good home, I can take it! No need to destroy the poor thing in a senseless attempt at recycling - my dogs will be happy to give it a good home (and probably a few other things but such is the life of a doghouse... ).


Especially since if he hasn't built the oven by now he's probably saving up for bricks.


I can also take any used cat furniture (that's still in more or less one piece) - have staple gun, will travel!
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  #16  
Old 03-17-2010, 06:41 PM
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Default Re: Dogloo as a form

Quote:
Originally Posted by david s View Post
Ordinary motor oil applied with a brush is quite adequate and cheap.
Motor oil and food???? not too keen on it
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  #17  
Old 03-17-2010, 07:08 PM
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Default Re: Dogloo as a form

It should be long gone by the time the oven turns white - actually, the tempering fires should get rid of it.
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  #18  
Old 05-29-2014, 10:16 PM
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Default Re: Dogloo as a form

I just did this I bought the dogloo II and hand cast ks4 I did it in 2 pieces the dome first which took 5 bags of cast able , the next day I released the dome then taped the edges where it meets the tunnel so it wouldn't bond and then cast the tunnel which took 3 bags . Casting these in 2 parts make it manageable weight wise but it will take 3 guys to move the large dome. I used Pam as a release agent and it worked flawlessly. I have trowel experience and had very little slump as I made the castable with precisely the right amount of water. We have built brick domes from scratch this is my own and wanted to cut out 2 days of work. Inner dome is surprising smooth but I really worked it in when casting. Next time I may cast in place I simply lifted the in we form and stuck a 2x4 at the edge of the castable and the from drops right out.
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  #19  
Old 05-30-2014, 09:59 AM
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Default Re: Dogloo as a form

Ahh the good ole days. Easier to build with bricks.
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  #20  
Old 06-04-2014, 06:52 AM
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Default Re: Dogloo as a form

Quote:
Originally Posted by Bricksandstones View Post
I just did this I bought the dogloo II and hand cast ks4 I did it in 2 pieces the dome first which took 5 bags of cast able , the next day I released the dome then taped the edges where it meets the tunnel so it wouldn't bond and then cast the tunnel which took 3 bags . Casting these in 2 parts make it manageable weight wise but it will take 3 guys to move the large dome. I used Pam as a release agent and it worked flawlessly. I have trowel experience and had very little slump as I made the castable with precisely the right amount of water. We have built brick domes from scratch this is my own and wanted to cut out 2 days of work. Inner dome is surprising smooth but I really worked it in when casting. Next time I may cast in place I simply lifted the in we form and stuck a 2x4 at the edge of the castable and the from drops right out.
Pics? Come on, no fair teasing!
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