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Install and secure two pre-fabricated ventilation ducts in gable cavity wall. 180mm holes pre-bored and ready to take vents. Each vent requires 4 screws to securely fix to external wall at an approximate height of 5 metres.
| Task Location: | Douglas, Cork |
| Due date: | Flexible |
| Date Posted: | 24 Mar 2026 |
| Posted by: | |
| Assigned to: |
@Paul M. Hi, yes the black box with the grill to be fixed to outside wall, and yes the wall is cored - 180mm is tight but I have tried a fit from the inside out (reversed direction from final install.)
Ok I realised that the box section will be on the outside of the wall.
Sorry I didn't read your description properly! So the holes are already drilled in the wall and the job is to fit the vent duct in the photo into the hole in the wall. Do you have a grill for the outside?
Paul are you sure the diameter of the vent pipe is 180mm ? Can you measure it and check? Thanks