Browse Forums DIY, Home Maintenance & Repair 1 Jun 15, 2020 9:44 am Hey guys. Essentially we have created a concrete bunker, shotcrete floor and walls with a bondek roof. Then regular concrete poured on the bondek for the top (used as a deck). For some reason when it hammers down with rain, water is seeping through on the internal walls... I'm just wondering what I can use to seal it up ... Is there some sort of expanding weather sealer or something I can caulk in? It seems to be sealed from the outside.. I'll attach some pics of the process. Re: Water seeping through new slab problems 3Jun 15, 2020 10:13 am Hi Stippo Welcome to the forum Check your certified construction and engineering drawings and details for a section marker The engineering notes should mention Waterproofing Unfortunately, Caulking is a temporary fix and won't last Search Basement Waterproofing Membrane Cheers Chris Designer,Engineer (Civil,Const & Envir),Builder,Concrete & Masonry Contract.Struct Repairs Re: Water seeping through new slab problems 5Jun 15, 2020 10:37 am You mention that you are using it as a deck. What finish is on the top surface and is it completed yet? Accessible Carpentry & Cabinets accessiblecarpentry@gmail.com accessiblecarpentry.com.au https://www.facebook.com/pages/Accessible-Carpentry-Cabinets/583314911709039 Water this close to the slab edge or under the slab can cause slab heave or subsidence and is potentially a serious problem especially on highly reactive clay soils. Over… 6 2994 Go to an actual paint store, not bunnings. Dulux even have trade centers. Don't have to be a trade to but their paint. 1 14060 yep sounds good make the footing bigger to to allow for the pipe in the middle 3 5288 |