This farm building is made of a timber frame to which are nailed rectangular sheets of slate about 3/4" thick. The roof is made of "slates" of a similar thickness. The stone probably came from the nearby Aberllefenni quarries.
Uploaded to Geograph by starkderrick on 16 October 2011
Photo © starkderrick, 16 October 2011. Licensed for reuse under this Creative Commons licence