Dry Roof, Wet House but Wired

The fabric of the house has suffered badly from rain penetration despite the very best of efforts to keep it at bay by laying a 'waterproof' Visqueen membrane immediately the floor and roof were in position.  The weak point was the roof-top Visqueen layer whose sheets overhlapped but whose joint was not taped.

The extent of things was not evident until the floor Visqueen was removed today in the knowledge that no more water could possibly come through the roof.   The OSB boards below were sodden with water: 

That said and despite standing water in parts, the water does not seem to have hardly penetrated the boards at all.

Besides the near completion of the roof top layer the internal wiring is complete - the tails of the wiring seen here awaiting the extension's consumer unit: