Re: Advice on insulation for sub-tropical climate (east coast Australia), please
- I replied to Ken by email, then found the handy little 'reply'option at the end of the thread...not very internet savvy! You are right Todd, about my choice to live in a climate that provides these challenges...I'm devoted to this area. I will definitely look into the ideas you have both written about - Would not have thought of looking for something that is perforated, and now it seems obvious - thanks, all the best,Jay
--- In The_Yurt_Community@yahoogroups.com, "Todd" <drtoddm@...> wrote:
> Something I used for the attic of my home is called ARMA Foil. It is the reflective bubble insulation without the bubbles, so to speak. It comes with reinforced mesh to prevent tears. You can get it factory perforated so it won't act as a vapor barrier. You might be able to create sun sails out of it - if you reinforce them well enough - to suspend above the yurt to provide some protection from the sun, sort of like a solar tent fly.
> Remember, plastic is entirely organic - how much more natural can a material get!?!?! ;-)
> The foil should minimize solar gain. The perforations should prevent excessive moisture build-up beyond ambient humidity. As Ken mentions, you need a method for ensuring air exchanges occur - perhaps a solar powered fan. Wrapping the thing like a sandwich in foil may prevent breakdown of the materials. What's funny is that the reasons you want to live down there present the very challenges you must overcome.
> --- In The_Yurt_Community@yahoogroups.com, Kenneth <whitephoenix_69@> wrote:
> > you will need insulation kit, ceiling fan and anything but canvas to cover it. Â Remember being "green" can also mean something that last a very very long time. Â There is a reason, commercial yurt companies don't use canvas, and it is not the cost. Â It simple won't last.
> > the insulation will go under to major names in the U.S. Â Astro-foil and Refextec (hope I spelled that right). Â Both are the same thing, just 2 different companies.
> > But when dealing with high humidity, air flow air flow air flow, did I say air flow, is the only true way unless you plan a A/C unit.
> > OH by the way, anything you cover it with MUST handle UV rays from the sun.. so many spend good money on a cover to find out it was not much better than canvas after the UV got to it..
> > ken
> > ________________________________
> > From: hi_premrani <premnetmail-online@>
> > To: The_Yurt_Community@yahoogroups.com
> > Sent: Sunday, May 27, 2012 11:43 PM
> > Subject: [The_Yurt_Community] Advice on insulation for sub-tropical climate (east coast Australia), please
> > Â
> > Hi Everyone,
> > I am creating my own 10 metre yurt from scratch, both for reasons of economy, and to make sure the result is suitable for the sub tropical climate I live in. Always humid, lots of rain, (this past year we missed out on having a dry season). Temperatures can go up to 40 degrees centigrade in mid summer, hot humid nights, down to 3 or 4 degrees at night in winter.
> > Traditional felt is out of the question, as it rots here. Creatures like to use it for nesting material too.Waterproof canvas also lasts only 2 years max, moulds very badly,and costs a few thousand dollars to replace. (Outer covering has to be a heavy duty, hail proof vinyl)Have read about using double bubble astro foil, I am wondering if there are any other suggestions.
> > Yurt will be my home, I will have to rent the land to put it on,so has to be moveable in case I have to leave one day.I prefer all things natural, so I am surrounding myself in plastic only out of necessity.
> > With best wishes to all, Jay