Pocster Posted November 5, 2019 Share Posted November 5, 2019 (edited) Probably a stupid question. But should I lag the hot pipes?. No pipes in the entire build go through a cold space i.e. they are all within the insulated build. The hot pipes (due to so many of them) do cross over cold pipes - so not sure if that's an issue. Thanks in advance as usual! Edited November 5, 2019 by pocster Link to comment Share on other sites More sharing options...
Mr Punter Posted November 5, 2019 Share Posted November 5, 2019 Yes. 1 Link to comment Share on other sites More sharing options...
Pocster Posted November 5, 2019 Author Share Posted November 5, 2019 8 minutes ago, Mr Punter said: Yes. Really ? Even though the hot pipes enter no cold space ( loft etc ) ???? Link to comment Share on other sites More sharing options...
Gone West Posted November 5, 2019 Share Posted November 5, 2019 It will not make a huge difference but the hot water will take a bit longer to reach the tap, the house will be a bit hotter inside in the summer. Link to comment Share on other sites More sharing options...
Mr Punter Posted November 5, 2019 Share Posted November 5, 2019 At least make sure you insulate the pipework between the boiler and cylinder. Quite annoying in the summer having a room heat up because the plumber was too lazy to do this. Link to comment Share on other sites More sharing options...
Pocster Posted November 5, 2019 Author Share Posted November 5, 2019 4 minutes ago, Mr Punter said: At least make sure you insulate the pipework between the boiler and cylinder. Quite annoying in the summer having a room heat up because the plumber was too lazy to do this. The hot water comes from a uvc . Link to comment Share on other sites More sharing options...
ToughButterCup Posted November 5, 2019 Share Posted November 5, 2019 45 minutes ago, pocster said: Probably a stupid question. But should I lag the hot pipes?. [...] Stoopid? No, it was me that is (well, used to be) . I assumed there was no need . Who's the eejit now then, eh? 1 Link to comment Share on other sites More sharing options...
PeterW Posted November 5, 2019 Share Posted November 5, 2019 You will need as a minimum all the primary pipe work within the vicinity of the UVC lagging, it’s a BRegs/Part G requirement. Not difficult to do tbh and shouldn’t take long. Use Climaflex from Screwfix, and tape all the joints with 3M Electrical tape. 1 1 Link to comment Share on other sites More sharing options...
Pocster Posted November 5, 2019 Author Share Posted November 5, 2019 6 minutes ago, PeterW said: You will need as a minimum all the primary pipe work within the vicinity of the UVC lagging, it’s a BRegs/Part G requirement. Not difficult to do tbh and shouldn’t take long. Use Climaflex from Screwfix, and tape all the joints with 3M Electrical tape. Transmission received and understood! Link to comment Share on other sites More sharing options...
MJNewton Posted November 5, 2019 Share Posted November 5, 2019 It can also help reduce/remove heat transfer from hot to cold if they are running close together. 1 Link to comment Share on other sites More sharing options...
Pocster Posted November 8, 2019 Author Share Posted November 8, 2019 Ok . Individual hot pipes not an issue . But where they all cross is going to be a pain - photo 2 Rather than try and do each hot individually can I cheat a bit here and wrap the whole lot ( hot and cold ) in some foil backed insulation I have lying around - photo 1 Link to comment Share on other sites More sharing options...
MJNewton Posted November 8, 2019 Share Posted November 8, 2019 I wouldn't wrap the hot with the cold; there's nothing worse (for me at least!) as getting like warm water out of a 'cold' tap! (Admittedly that's a First World problem if ever I've heard one...) Link to comment Share on other sites More sharing options...
Pocster Posted November 8, 2019 Author Share Posted November 8, 2019 4 minutes ago, MJNewton said: I wouldn't wrap the hot with the cold; there's nothing worse (for me at least!) as getting like warm water out of a 'cold' tap! (Admittedly that's a First World problem if ever I've heard one...) Fair point . I’ll semi cheat and wrap all the hots together !! Link to comment Share on other sites More sharing options...
MJNewton Posted November 8, 2019 Share Posted November 8, 2019 Weaving sheet insulation in like that may well work perfectly - insulating both hot and cold at the same time but on different sides! Link to comment Share on other sites More sharing options...
Pocster Posted November 8, 2019 Author Share Posted November 8, 2019 Note to self . lag pipes as you go not after they have all been installed . Link to comment Share on other sites More sharing options...
Mr Punter Posted November 8, 2019 Share Posted November 8, 2019 3 hours ago, pocster said: Note to self . lag pipes as you go not after they have all been installed . Not quite the look that @PeterW goes for... Link to comment Share on other sites More sharing options...
Pocster Posted November 8, 2019 Author Share Posted November 8, 2019 1 minute ago, Mr Punter said: Not quite the look that @PeterW goes for... ? It was a bit of a mare to get 19 pipes to all play nicely . Functionality over form . Link to comment Share on other sites More sharing options...
Pocster Posted November 8, 2019 Author Share Posted November 8, 2019 Coincidentally @PeterW just messaged me privately and said it looked beautiful ?? Link to comment Share on other sites More sharing options...
PeterW Posted November 8, 2019 Share Posted November 8, 2019 1 hour ago, pocster said: Coincidentally @PeterW just messaged me privately and said it looked beautiful ?? It would be a b-word... but not that one ... ? 2 Link to comment Share on other sites More sharing options...
Pocster Posted November 8, 2019 Author Share Posted November 8, 2019 2 hours ago, PeterW said: It would be a b-word... but not that one ... ? Oh what ‘b’ word ? ? At the end of the day it’s not detrimental to performance etc. - so neat or not achieves the same job . Link to comment Share on other sites More sharing options...
Onoff Posted November 8, 2019 Share Posted November 8, 2019 1 hour ago, pocster said: Oh what ‘b’ word ? "begging" to be covered by a suspended ceiling? ? 1 Link to comment Share on other sites More sharing options...
Onoff Posted November 8, 2019 Share Posted November 8, 2019 Actually that's got to be a "bitch" doing it on your own? 1 Link to comment Share on other sites More sharing options...
Pocster Posted November 9, 2019 Author Share Posted November 9, 2019 @Onoff both of those ! Link to comment Share on other sites More sharing options...
Onoff Posted November 9, 2019 Share Posted November 9, 2019 Not a criticism but I'm guessing you didn't use a decoiler? Pipe having it's own natural lay etc (like cable). 1 Link to comment Share on other sites More sharing options...
Pocster Posted November 9, 2019 Author Share Posted November 9, 2019 31 minutes ago, Onoff said: Not a criticism but I'm guessing you didn't use a decoiler? Pipe having it's own natural lay etc (like cable). Nope - didn’t even know there was such a thing . So 100m of pipe when unrolled wants to roll back up . Was a dog to ‘fight’ against . But as I said apart from looking pretty ( and you won’t see it once the false ceiling is in ) I didn’t see any point in making it look nice . Link to comment Share on other sites More sharing options...
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