Broadback wrote :
Is it worthwhile installing a damp proof membrane when I build a concrete
base for a metal shed? The concrete base will be the actual shed floor.

I would suggest yes, but you also need to consider how you intend
shedding the rain which might run down the outside walls and then track
into the shed along the concrete base.

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Regards,
Harry (M1BYT) (L)
http://www.ukradioamateur.co.uk