ToughButterCup Posted July 4, 2019 Share Posted July 4, 2019 Not worth a post is it? Unless those three holes are in the slab. At one stage, we planned to duct our MVHR from the piggery (a small building 5 meters from the main house) into Salamander Cottage. But @TerryE and others dissuaded me (condensation risk). Thanks. Now I need to back-fill the holes. Since they come through the slab, I thought I'd check a bit of radon barrier at the very bottom 500mm of EPS some fairly strong concrete on top Kinda hoping it's as easy as that..... Link to comment Share on other sites More sharing options...
PeterW Posted July 4, 2019 Share Posted July 4, 2019 Yeh and just paint the inside of the holes with some SBR if you have it, cup full in the mix will also make it more "sticky" Link to comment Share on other sites More sharing options...
Alexphd1 Posted July 4, 2019 Share Posted July 4, 2019 If you need to buy sbr, TP £29 plus vat. Screwfix £22 inc vat and Ebay £14 with vat receipt. Link to comment Share on other sites More sharing options...
ToughButterCup Posted July 4, 2019 Author Share Posted July 4, 2019 Thanks both.... SBR? OK, looked it up..... I don't suppose anyone makes SBD do they? ? Ya learn sum stuff on 'ere dontcha? Link to comment Share on other sites More sharing options...
PeterW Posted July 4, 2019 Share Posted July 4, 2019 SBR is also available in 1 litre tubs in Wickes for £7 if you don’t need a lot. 1 Link to comment Share on other sites More sharing options...
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