Hecateh Posted July 31, 2018 Share Posted July 31, 2018 I am having the floor screeded today with the UFH pipes. I have been quoted for 2.3 cubic meters but the guys say that 2 would give the quoted level. They have suggested putting it all down which will bring the floor level up about 10 to 15 ml. Is there any reason why this is not a good idea? Link to comment Share on other sites More sharing options...
Ian Posted July 31, 2018 Share Posted July 31, 2018 (edited) 7 minutes ago, Hecateh said: I am having the floor screeded today with the UFH pipes. I have been quoted for 2.3 cubic meters but the guys say that 2 would give the quoted level. They have suggested putting it all down which will bring the floor level up about 10 to 15 ml. Is there any reason why this is not a good idea? 10 to 15mm doesn't sound like a lot but it can play havoc with certain things which follow later if you are not careful and think it through. EG - what effect will it have on your Part M accessible front door threshold detail. Is there any reason why they can't quote for the 2 cubic metres you actually need? Edited July 31, 2018 by Ian Link to comment Share on other sites More sharing options...
Ian Posted July 31, 2018 Share Posted July 31, 2018 @Hecateh what type of screed are you planning to use and what is the design thickness? Link to comment Share on other sites More sharing options...
Declan52 Posted July 31, 2018 Share Posted July 31, 2018 I would just keep it at the original level. You can use the excess to form a base for a step or ramp on a doorway outside. Link to comment Share on other sites More sharing options...
PeterW Posted July 31, 2018 Share Posted July 31, 2018 As long as there is 5mm below the threshold at the patio doors then it’s fine. Link to comment Share on other sites More sharing options...
nod Posted July 31, 2018 Share Posted July 31, 2018 27 minutes ago, Hecateh said: I am having the floor screeded today with the UFH pipes. I have been quoted for 2.3 cubic meters but the guys say that 2 would give the quoted level. They have suggested putting it all down which will bring the floor level up about 10 to 15 ml. Is there any reason why this is not a good idea? I’m guessing it is liquid concrete (cube) They should set there datums off the internal damp course to finish inline or just below Id ask the to follow your drawing Link to comment Share on other sites More sharing options...
Hecateh Posted July 31, 2018 Author Share Posted July 31, 2018 25 minutes ago, Ian said: 10 to 15mm doesn't sound like a lot but it can play havoc with certain things which follow later if you are not careful and think it through. EG - what effect will it have on your Part M accessible front door threshold detail. Is there any reason why they can't quote for the 2 cubic metres you actually need? No issues there - it is the lower ground floor and not the main entrance so no need for level access, although I would like it as level as possible which is why I'm fine with the extra down there as there is approx 100mm of door frame. It's already ordered and on its way 24 minutes ago, Ian said: @Hecateh what type of screed are you planning to use and what is the design thickness? liquid screed 23 minutes ago, Declan52 said: I would just keep it at the original level. You can use the excess to form a base for a step or ramp on a doorway outside. There is somewhere it can be used to level up outside which is where I was thinking if they needed to dump any after the pour 21 minutes ago, PeterW said: As long as there is 5mm below the threshold at the patio doors then it’s fine. 100 mm at least 1 minute ago, nod said: I’m guessing it is liquid concrete (cube) They should set there datums off the internal damp course to finish inline or just below Id ask the to follow your drawing No drawing and the room is tanked to about 1100 as the house is on a steep slope and the lower ground, where this is going is set into the slope. Link to comment Share on other sites More sharing options...
PeterW Posted July 31, 2018 Share Posted July 31, 2018 I mean 5mm once the screed is poured. They may need to watch the height of the short stack in the loo - it wasn’t much more than 65mm tall from memory. Do not let them cover it in screed ..!! Link to comment Share on other sites More sharing options...
Ian Posted July 31, 2018 Share Posted July 31, 2018 12 minutes ago, Hecateh said: liquid screed Not sure what you mean by liquid screed. Usually when people talk about liquid screed they mean a calcium sulphate (anhydrite) screed which is pumped into place and is self levelling. This type of screed can't be used outside where it is exposed to the weather as it has gypsum in it which swells in contact with water Link to comment Share on other sites More sharing options...
Hecateh Posted July 31, 2018 Author Share Posted July 31, 2018 36 minutes ago, PeterW said: I mean 5mm once the screed is poured. They may need to watch the height of the short stack in the loo - it wasn’t much more than 65mm tall from memory. Do not let them cover it in screed ..!! It's 65mm ish to the brick level at the door, there is then 100mm at least of frame before the actual door - They have put a collar round the stack so no problem there I don't think 27 minutes ago, Ian said: Not sure what you mean by liquid screed. Usually when people talk about liquid screed they mean a calcium sulphate (anhydrite) screed which is pumped into place and is self levelling. This type of screed can't be used outside where it is exposed to the weather as it has gypsum in it which swells in contact with water I don't know exactly what it is but it is a self levelling, quick drying so probably calcium sulphate I guess. I am going to keep it all indoors and raise the floor level slightly. 1 Link to comment Share on other sites More sharing options...
Hecateh Posted July 31, 2018 Author Share Posted July 31, 2018 2 Link to comment Share on other sites More sharing options...
Nickfromwales Posted July 31, 2018 Share Posted July 31, 2018 @Hecateh If you absolutely definitely have the clearance at the door / thresholds etc then 100% chuck all the screed down. Cracking job they're doing. Ask them to sleeve the pipes where they exit the screed and head up the wall. Link to comment Share on other sites More sharing options...
Hecateh Posted July 31, 2018 Author Share Posted July 31, 2018 22 minutes ago, Nickfromwales said: @Hecateh If you absolutely definitely have the clearance at the door / thresholds etc then 100% chuck all the screed down. Cracking job they're doing. Ask them to sleeve the pipes where they exit the screed and head up the wall. Sorry - they don't have any sleeving on the van Link to comment Share on other sites More sharing options...
Nickfromwales Posted July 31, 2018 Share Posted July 31, 2018 1 minute ago, Hecateh said: Sorry - they don't have any sleeving on the van Ask them to shutter around them with sand then. You need to be able to manipulate the pipes after install ideally. They'll probably register on BH now and tell me to FO Link to comment Share on other sites More sharing options...
Hecateh Posted July 31, 2018 Author Share Posted July 31, 2018 12 minutes ago, Nickfromwales said: Ask them to shutter around them with sand then. You need to be able to manipulate the pipes after install ideally. They'll probably register on BH now and tell me to FO They've put some of the blue edging foam round and taped it. The pipes are extended above the floor level above so there is plenty of flexibility. They say they haven't sleeved pipes for years 1 Link to comment Share on other sites More sharing options...
newhome Posted July 31, 2018 Share Posted July 31, 2018 Did they lay the pipes too? Looks pretty neat! Good to see things moving on for you. 1 Link to comment Share on other sites More sharing options...
PeterW Posted July 31, 2018 Share Posted July 31, 2018 @Hecateh if the screed isn’t down yet, can you take more photos of areas such as the island and the kitchen ..? Always useful for reference. Link to comment Share on other sites More sharing options...
Hecateh Posted July 31, 2018 Author Share Posted July 31, 2018 4 minutes ago, newhome said: Did they lay the pipes too? Looks pretty neat! Good to see things moving on for you. Thanks @newhome each little step is one less I still have to take. Just need to pin the plumber down to a date now!! And then the plasterer! 2 minutes ago, PeterW said: @Hecateh if the screed isn’t down yet, can you take more photos of areas such as the island and the kitchen ..? Always useful for reference. All done and dusted - they've just left. Taken plenty of photos though 1 Link to comment Share on other sites More sharing options...
Hecateh Posted July 31, 2018 Author Share Posted July 31, 2018 Wiring in place for plinth 4mm foil insulation and pipe grippers placed UFH floor piping laid plenty of height available to threshold screed being poured All covered and levelled curing agent spayed on Highly recommended - 24 hours to be walked on and 16 (minimum) to floor laying. But that is planned for early September 2 Link to comment Share on other sites More sharing options...
Onoff Posted July 31, 2018 Share Posted July 31, 2018 That looks like a giant leap forward! Seemed to know what they were doing. 1 Link to comment Share on other sites More sharing options...
Hecateh Posted July 31, 2018 Author Share Posted July 31, 2018 3 minutes ago, Onoff said: That looks like a giant leap forward! Seemed to know what they were doing. It feels like it too - beginning to hope September is doable for moving in. 1 Link to comment Share on other sites More sharing options...
Hecateh Posted July 31, 2018 Author Share Posted July 31, 2018 This company also: Quoted within 24 hours of a request on their website. Did 5 different revisions following input from @PeterW and @Nickfromwales within about 7 days Arranged to do job within 7 days of me giving them the order Turned up on time - well 10 past 9 instead of 9 o'clock from Sutton Coldfield approx an hour away Were polite and friendly - even when I was pestering them (on instruction from Nick) Were very grateful for cups of tea - never get offered them down south where most of their work is they said Cleaned up all their rubbish and were away by 1.30pm 1 1 Link to comment Share on other sites More sharing options...
Nickfromwales Posted July 31, 2018 Share Posted July 31, 2018 One to add to the contacts list. Many thanks for the feedback. Link to comment Share on other sites More sharing options...
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