Wanted: Underlay for wooden floor

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I am hoping to reuse some wooden flooring in my loo but need a tiny amount of suitable underlay. Either the foamy sort or compressed paper type. Only need about 1m square and as its the sort of thing frequently left over I thought it might be worth asking ! If I buy a whole pack, I'll be the one with a silly little amount left. Bit of a vicious circle! If anyone can help I'd be so grateful. Many thanks.

Categorised as: Things Wanted