I wonder whether anybody has any info that could help...
Just had cavity wall insulation put in (which was nice), but they insisted on drilling a hole in the wall because we have an open wood/coal fireplace with a chimney. This is down to "...building regs, mate..." which is fine I guess to minimise the possibility of the Darwinian death of a numpty in a broom cupboard with a pokey Homebase gas fire... but I digress with my cynicism.
The main issue I have is that drilling a large whole in the side of the wall with a plastic vent has negated all the effectiveness of cavity wall insulataion and the living room is freezing. I've taped up the vent for now.
Despite looking on the net, cannot find anything to tell me whether this applies to:
1. Wood fireplaces with chimney and not just gas fires (although in theory poorly ventilated wood fires can generate CO).
2. Whether we can purchase a glorified cat flap.
To be honest, after the building inspection, I'm going to seal the hole up as it's ridiculous - you can hear the wind blowing into the room now, the entire downstairs is large and totally opened up and in the last 7 years we haven't died yet, although the wife is working on it.
(where's MikeTheBike when you need him)
Just had cavity wall insulation put in (which was nice), but they insisted on drilling a hole in the wall because we have an open wood/coal fireplace with a chimney. This is down to "...building regs, mate..." which is fine I guess to minimise the possibility of the Darwinian death of a numpty in a broom cupboard with a pokey Homebase gas fire... but I digress with my cynicism.
The main issue I have is that drilling a large whole in the side of the wall with a plastic vent has negated all the effectiveness of cavity wall insulataion and the living room is freezing. I've taped up the vent for now.
Despite looking on the net, cannot find anything to tell me whether this applies to:
1. Wood fireplaces with chimney and not just gas fires (although in theory poorly ventilated wood fires can generate CO).
2. Whether we can purchase a glorified cat flap.
To be honest, after the building inspection, I'm going to seal the hole up as it's ridiculous - you can hear the wind blowing into the room now, the entire downstairs is large and totally opened up and in the last 7 years we haven't died yet, although the wife is working on it.
(where's MikeTheBike when you need him)
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