BotusBuild Posted September 20, 2021 Share Posted September 20, 2021 We are building with an insulated raft foundation and ICF and I have seen mention of these in various topics, and have scoured my architect and SE drawings and notes for mention of these on our build. I have investigated what they are, and what they do, but its still not obvious as to whether they are needed on not. Awaiting the inevitable differences of opinion with interest ? Link to comment Share on other sites More sharing options...
Happy Valley Posted September 20, 2021 Share Posted September 20, 2021 We put them in (Triton waterbar) even though we have waterproof concrete rafts. We questioned their necessity as they are expensive but both professionals stated that we should use them. Link to comment Share on other sites More sharing options...
saveasteading Posted September 20, 2021 Share Posted September 20, 2021 2 hours ago, BotusBuild said: what they are, and what they do ......is keep water in place in water retaining structures, to close off a joint which might be a weakness. If you are building above ground, have a well-detailed damp-proof construction, and it is not a water tank then you should not need one. Or it is a simple bar across a flat door threshold to keep the rain out. 1 Link to comment Share on other sites More sharing options...
Ronan 1 Posted September 20, 2021 Share Posted September 20, 2021 Put up a pic where they are detailed and it should be fairly simple to say if they are required or not Link to comment Share on other sites More sharing options...
BotusBuild Posted September 27, 2021 Author Share Posted September 27, 2021 I have now found one short sentence on one drawing that mentions a waterbar to be fitted. Any other recommendations apart from Happy Vally's Triton waterbar. I found this - https://www.sikawaterproofing.co.uk/products-systems/sikaswell/ Anyone used it? Link to comment Share on other sites More sharing options...
SteamyTea Posted September 27, 2021 Share Posted September 27, 2021 It is only recently I have heard any mention of waterbars. Have the regs changed? Link to comment Share on other sites More sharing options...
BotusBuild Posted September 27, 2021 Author Share Posted September 27, 2021 @SteamyTea, not sure on the Regs related to this, but as I am building a partial basement, waterproofing is a definite requirement and from what I have read waterbars seem to be a necessary part of that waterproofing (Type B). I will now be fitting one (now I have read my plans again) and so a BBA approved product is the order of the day. Link to comment Share on other sites More sharing options...
SteamyTea Posted September 27, 2021 Share Posted September 27, 2021 1 minute ago, BotusBuild said: as I am building a partial basement Seems the closet to Bristol one gets, the more of the ground floor gets covered. If I dig down more than a metre it would be called a tin mine. Link to comment Share on other sites More sharing options...
saveasteading Posted September 27, 2021 Share Posted September 27, 2021 43 minutes ago, SteamyTea said: more than a metre it would be called a tin mine. I am an expert on this from watching Poldark, which defines all the SW. When times are tough you hope to find a shoal of tin or a seam of pilchards, or cause a wreck. Link to comment Share on other sites More sharing options...
SteamyTea Posted September 27, 2021 Share Posted September 27, 2021 5 minutes ago, saveasteading said: I am an expert on this from watching Poldark, which defines all the SW. When times are tough you hope to find a shoal of tin or a seam of pilchards, or cause a wreck. Yes, we are about to reopen all the fish mines. And all the girls in Ilogan are as horny as Demelza, even allowing for her hip displacement 1 Link to comment Share on other sites More sharing options...
Ronan 1 Posted September 27, 2021 Share Posted September 27, 2021 6 hours ago, BotusBuild said: Any other recommendations apart from Happy Vally's Triton waterbar. RX101 , i don't use any other and its what most designers spec as standard on large RC frame projects where required. 1 Link to comment Share on other sites More sharing options...
BotusBuild Posted September 28, 2021 Author Share Posted September 28, 2021 15 hours ago, SteamyTea said: If I dig down more than a metre it would be called a tin mine. I've got a tin mine then ? Link to comment Share on other sites More sharing options...
SteamyTea Posted September 28, 2021 Share Posted September 28, 2021 13 minutes ago, BotusBuild said: I've got a tin mine then ? You are the wrong side, china clay tea cups is what can mine. Link to comment Share on other sites More sharing options...
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