Covering lumps with stucco?

[david s]

Re: Covering lumps with stucco?

You could try mixing some vermiculite or perlite 50/50 with mortar and filling the valleys with it prior to your spider web and stucco layer.

[cobblerdave]

Re: Covering lumps with stucco?

Gudday
"Principally because my wife doesn't like the look of the lumpy stucco'd ovens "

That fair enough ....happy wife happy life....a wfo is definitely one project that you have to have the wife happy with too

Regards dave

[V-wiz]

Re: Covering lumps with stucco?

Here is what my plan is when i get to that point. Pile layers and layers of insulation blanket, then use flexible/thin rebar like metal, bend it around the dome, then lay down stucco/chicken wire, then apply stucco. In addition i was thinking of laying down foil over the insulation so the moisture from the stucco does not get the insulation wet.

[david s]

Re: Covering lumps with stucco?

Here is what my plan In addition i was thinking of laying down foil over the insulation so the moisture from the stucco does not get the insulation wet.

I tried the foil between insulation and stucco on an oven I built a few years ago. I wish I hadn't because it keeps the moisture in. Others have also confirmed this.IMO You are better off applying the stucco straight over the insulation, then wrapping it in cling wrap and leaving it for a week to make it stronger.

[V-wiz]

Re: Covering lumps with stucco?

I tried the foil between insulation and stucco on an oven I built a few years ago. I wish I hadn't because it keeps the moisture in. Others have also confirmed this.IMO You are better off applying the stucco straight over the insulation, then wrapping it in cling wrap and leaving it for a week to make it stronger.

Thanks for the tip, how about if you first dry out the oven then install the foil then the blanket, this way there wont be any moisture left.

[david s]

Re: Covering lumps with stucco?

That might be ok if the oven is under cover, but after weeks of torrential rain and no oven use an igloo style oven, even if it has been waterproofed really well, still gets wet inside and you have to dry it again.Moisture condenses under the foil and slows down the drying process. If the foil is hard against any dense refractory it will be useless as an insulator.Search "foil" and read what others have to say.

[V-wiz]

Re: Covering lumps with stucco?

That might be ok if the oven is under cover, but after weeks of torrential rain and no oven use an igloo style oven, even if it has been waterproofed really well, still gets wet inside and you have to dry it again.Moisture condenses under the foil and slows down the drying process. If the foil is hard against any dense refractory it will be useless as an insulator.Search "foil" and read what others have to say.

Im sorry i meant to say dry the oven, install blanket then foil. I guess i can scratch that idea out if its not a good idea. My whole thinking was to try to avoid getting the insulation wet, which will happen regardless if you install V-crete or stucco over insulation. So basically the insulation blanket does get wet, and i take it that its okay? unlike the insulation boards?

[david s]

Re: Covering lumps with stucco?

Yes it wil get a bit wet, but it's better than creating a moisture barrier which will continue to be a problem every year if it gets really wet.

[V-wiz]

Re: Covering lumps with stucco?

Thanks for that info