On Jan 20, 2:40*pm, Chris Wilson wrote:
Folks,

I plan on building reasonably large wooden shed (either with a concrete or
more likely a raised wooden floor) this summer, it's going to be a non
standard shape somewhat trapezoidal approx 26' by 16' at its widest
narrowing to around 12' at one end.

I'm more than happy with the basic design and I'm happy I have the skills
for the basic construction and so forth however I will wish to insulate the
shed so that the inside remains dry and at more or less constant (extremes
of winter excluded) temperature. If anyone's that interested I'll be
putting a model railway inside it.

My main concern is condensation or to be more precise how to avoid
condensation, if anyone could give any pointers I'd be most grateful.

--

All the best,

Chris

The biggest problem is likely to be the roof. The cheapest and easiest
is metal, but you must insulate it to prevent condensation. The
condensation occurs when cold weather is followed by warm when any
metal objects as well as the roof cool the air and cause condensation.