Silver to the outside or inside?

[Cheesie]

Or does it really matter

 

[sparkysy]

Mmm facing in reflects the heat back in facing out reflects the cold out

 

[zzr1200]

Really depends on if you want to reflect the heat back inwards or cut down on the reflected arc eye flash???

In my books, it depends on what your after???

 

[Cheesie]

Mmm facing in reflects the heat back in facing out reflects the cold out

These are the questions I loose sleep over

 

[sparkysy]

Tell me about it!
And what if both sides are silver!

 

[Kram]

Mmm facing in reflects the heat back in facing out reflects the cold out

Cold is a lower quantity of energy, it can not be reflected! Facing inwards is best, but not for arc eye

 

[Keithmac]

I'd have it like you've got it in the picture personally.

 

[Guineafowl]

Isn’t the silver also a vapour barrier?

 

[Gragson]

Using sheets of hessian at the mo, its not very efficient but its something (and was free) bit of a fire hazard as well...
Will be doing this in spring when I hope price of insulation comes down.

Are you using rubber strips down the opening edges?

 

[zzr1200]

Tell me about it!
And what if both sides are silver!

Paint it dark matt blue......sorted

 

[Cheesie]

Isn’t the silver also a vapour barrier?

That's one of the things I was thinking but it says on it this side up