We use 40mm x 40mm redwood framing .
All joints are screwed and not nailed.
16mm redwood shiplap treated with preservative to make an even stronger, longer lasting structure.
Sleeping Area: Depth 3', width 4', height 2'6" for easy cleaning and access, with a door in front and cat flap fitted as standard.
Sheltered Area: Height 3'4", Depth 3', Width 4', with a fitted sleeping shelf.
Run dimensions: Length 6', width 4', height 5'6" with 25mm x 25mm
Galvanized weld mesh all around including roof.
Large door at end fitted with a bolt.
Floor: 9mm hardwood ply.
Roof: 12mm OSB covered with Green mineral felt
All fittings, are black jappaned.