Roof sarking for shed

Hi everyone, just after some advice.

I am in the process of building a shed (8m X 3.6m). It will have colour bond sheeting for the sides and roof. Height will be 2500mm high and a flat roof.

Is it worth while installing sarking underneath the corrugated roof sheets to minimise heat in summer? Or is their a better product to use? The shed won't be lined from inside so anything I use will be seen (hence the reason I can't use pink batts)

Thank you

 

I would use something like this insulation blanket which is sandwiched between the tin and roof battens silver side down. A friend even use this blanket on the walls which also reduced noise.
Link just for info...

http://www.bunnings.com.au/earthwool-r-1-3-55mm-space-blanket-under-metal-roof-insulation_p0810887

 

That looks alright @PJ1, never seen that product before, double the price of wrap but overall job cost for long-term benefit its defiantly worth it.

I'd also throw a whirly on the roof.

Another option is this - http://www.stratco.com.au/products/home-improvement/cooldek-roofing/

 

Thank you @PJ1 and @WestOz both good products and better than ordinary sarking.

 

Hey mate,

I used ametalin thermal break(can't remember if it was 6.5 or 8mm) on all walls/roof on my 7mx6m shed and it's as cool as my house during summer. It's about $250 a roll at bunnings and it took just over 3 rolls to do the shed. So it's not cheap, but I couldn't imagine not doing it. Especially after spending 2mins in my mates uninsulated shed just around the corner - hot as hell!
It's installed between the frame and sheeting. I don't have a whirly bird either.

 

I'd agree with @PJ1 - anticon with fibreglass or a foam insulator should do the trick - otherwise you end up with a hot tin shed.