Alternative Technology Assn Forums

1. 

   planeguy
   Member

   So going to build a new house that will have a colorbond carport and a separate colorbond verandah. The carport will be used as a work area (open on 1.2 sides), so we may be in there for a bit, and the verandah is roughly 3x5m, open on 3 sides.

   Don't need a finished ceiling on the carport, but am considering one for the verandah.

   I was thinking of just having something like a thin reflective blanket only (ie R1.2 anticon)

   What are thoughts on the the value of reflective and or bulk insulation under the roof to enhance comfort in the spaces.

   Posted Friday 2 Mar 2018 @ 5:42:30 am from IP #
2. 

   Greg
   Member

   Hey planeguy, I insulated under my veranda colorbond roofing with the anticon blankets and then finished the ceiling with more colorbond. It's definitely quieter and you don't get that radiated heat so cooler as well I found. I'd recommend it.

   Posted Sunday 4 Mar 2018 @ 11:53:55 pm from IP #
3. 

   jdaley
   Member

   Any insulation will be good.
   I suggest go for the one with the highest R value because it does not cost much more. I have had good rsults with 75mm builders blanket, its stable and effective 4m x 6m roof cost about $90 total

   Posted Wednesday 7 Mar 2018 @ 11:39:04 pm from IP #
4. 

   Morbo
   Member

   plus light color colour bond. If you get that, then anticon. Then the rafters. Then another layer of sisalation. After that its the same as ambient temperature. It actually lags behind the outside temperature in my roof. Even in full sun all day my roof never reaches more than ambient.

   Posted Friday 1 Jun 2018 @ 12:04:59 pm from IP #

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