View Single Post
  #11   Report Post  
Posted to uk.d-i-y
The Natural Philosopher The Natural Philosopher is offline
external usenet poster
 
Posts: 9,045
Default another bog clearing technique.

wrote:
Do, or rather did, you have a chicken wire mesh cover over an outside
vent pipe?


no. The vent goes 3 meters horizontally and exits through gable wall.

IIRC there is a fan grille over it.