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Nothing like trying so sort out someone else’s horror show, especially one that looks like it was supposed to be professional.
Annoying, because what the fuck? Why would anyone do that?
Most of these don’t vent outside because that requires all sorts of forward planning and actual competency :(
Usually they just fit a shitty recirculating extractor.
Does the roof void have any ventilation? It’s not an excuse but maybe that’s why they thought it would be OK, or at least not potentially damaging.
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Found 2 in a property recently where the vent to outside was in the void but the installer chose not to connect it. 🤪
Howard
Airhead
@Familyman
I'm glad I waited for the weekend to tackle the cooker hood. It was a bit of a horror show in every aspect!
As recommended I dropped the cooker hood a little to get the required space to remove the shroud. As I was working alone and had no idea of the weight (guessed heavy) I cut up a lovely thick cardboard tube that recently delivered some curtain poles and used them as props. At this point I found the original installation was pretty poor. Only three wall mounts used rather than 4 as one of the wall plugs installed was just a mess and had zero hold in the wall. The bottom 2 fixing points didn't use washers at all leaving the large screws with very little contact with the now deformed metal backing. The only top fixing did have a washer, but it was completely inadequate and was deformed to the point of being useless - I doubt it was far from failing.
Anyway, the props stopped any disasters and I was able to remove the shroud. The outlet to the hose had a couple of reducers on top and the first one stopped the outlet trapdoors from opening when the fan was on. I'm not sure of the reason for the trapdoors, I guess to stop shit falling into the fan from above? Anyway, I removed the doors for now as I didn't have any other solution if I wanted it connected and with an air flow.
There was a disconnected pipe leading up into the ceiling which was encouraging, but a quick investigation points to it just exiting into the roof void! There's no external sign of a vent and sticking my hand up there, it sounds like the pipe is just laying on the ceiling floor. Annoying, because what the fuck? Why would anyone do that?
I connected it all up anyway because I was too far invested to just leave it as it was. Drilled three holes and used machine screws to firmly connect the reducers together as they just pushed apart when the air flow was on, and used zip ties to give a solid connection between the pipe and the final reducer. With the fan on it now all holds together so I can fill my roof void with kitchen smells and humidity. Yay.
Putting it all back together I had to sort out the fixings as best I could. I put 2 new top fixings in which are probably a little undersize, but at least they feel solid and I found much more suitable washers with metal plates to spread the load. I added the right size washers to the lower fixings too.
Was a shit job with ultimately no reward! Will have to put thought into what to do with it now. I can't leave it venting into the void.
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