matt-shrops Posted March 8, 2019 Share Posted March 8, 2019 Getting close to putting the sole plate down. Trying to work out the best method. 300mm I joists will sit on the sole plate. The sole plate is 150mm on the concrete slab and 150mm on the perimeter XPS insulation. Couple of details I am unsure off! 1. the level of the concrete and XPS differs by a few mm in places- what is the best way to ensure this is sealed and insulated? Have thought about something like compriband to seal it. 2 DPM- where is the best place to fix it. I have a DPM that the XPS sits on and comes up the outside of the XPS and I used a DPM under the concrete slab that comes up the inside of the XPS. Do I need a DPC under the sole plate as well? The sole plate will be 49mm LVL possibly sitting on 36 x 89 treated timber with insulation in the gap. Thanks Matt Link to comment Share on other sites More sharing options...
PeterW Posted March 8, 2019 Share Posted March 8, 2019 Picture...?? DPC under the lot - use it to trap the DPMs. Wrap each over the other the top of the EPS/Concrete and then tape them temporarily. Wire u shaped pins into the EPS may also help, then put a 300mm DPC over the top. Link to comment Share on other sites More sharing options...
Patrick Posted March 8, 2019 Share Posted March 8, 2019 16 minutes ago, PeterW said: Picture...?? DPC under the lot - use it to trap the DPMs. Wrap each over the other the top of the EPS/Concrete and then tape them temporarily. Wire u shaped pins into the EPS may also help, then put a 300mm DPC over the top. Yep. Pictures Please. I am always struggling to understand without visuals . Would be helpful if someone has this explanation as a sketch or even section. Link to comment Share on other sites More sharing options...
Russell griffiths Posted March 9, 2019 Share Posted March 9, 2019 Can you pour a strip of floor leveling compound around the edge to bring the concrete up nice and level you can also get a special sanding tool for eps so you can take off any high spots i would want to spend a day on this getting the two as accurate as I could. I found a company the other other day that makes a sill gaskets that have a couple of raised hollow sections that squash down with the weight of the sill, however I can’t find it now. ? Link to comment Share on other sites More sharing options...
NSS Posted March 9, 2019 Share Posted March 9, 2019 Really thought this thread was going to be about a fish paté recipe. 1 2 Link to comment Share on other sites More sharing options...
dimpsy Posted March 9, 2019 Share Posted March 9, 2019 Is this the type of thing you had in mind https://www.iso-chemie.eu/en-GB/sealing-solutions/sealing-products/window-and-facade-sealing-films/iso-connect-hb-band/ 1 1 Link to comment Share on other sites More sharing options...
Big Jimbo Posted March 9, 2019 Share Posted March 9, 2019 1 minute ago, dimpsy said: Is this the type of thing you had in mind https://www.iso-chemie.eu/en-GB/sealing-solutions/sealing-products/window-and-facade-sealing-films/iso-connect-hb-band/ That stuff looks like the dogs danglies. I bet it costs, but so much better than trying to grout in around the bottom after the timber frame is installed. Link to comment Share on other sites More sharing options...
matt-shrops Posted March 10, 2019 Author Share Posted March 10, 2019 that looks good stuff! Will try to find out how much it is. Link to comment Share on other sites More sharing options...
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