Browse Forums Building A New House Re: Styrofoam showing through foundation slab, how bad is th 3Mar 27, 2022 12:58 pm Yeah it looks like a waffle slab. It needs to be rectified ASAP and ask the builder to ensure that the soil around the perimeter of the house are graded away from the house. If not, it could cause slab heave. Re: Styrofoam showing through foundation slab, how bad is th 4Mar 27, 2022 2:52 pm Oakland Projects Yeah it looks like a waffle slab. It needs to be rectified ASAP and ask the builder to ensure that the soil around the perimeter of the house are graded away from the house. If not, it could cause slab heave. Builder reckons its "just a bit of boxing", I'm not sure what that means though Re: Styrofoam showing through foundation slab, how bad is th 5Mar 28, 2022 10:00 am this shouldn't happen. The boxing is a Styrofoam waffle pod used to form the "waffle" pattern of the slab under the main part. There should be something like a 85-100mm thickness of concrete between the outside and the pods. Probably more here as its the rebate that the bricks are laid on. Kind of concerning. begs the question of how sound the rest of the slab is. Dark matter scientist, can breathe underwater, mind reader and can freeze matter just by willing it. Trust me, its in my sig. Thanks for your advice. So far i have not noticed any issues with doors and windows. Builder advised they will organise drainers to inspect 2 weeks ago but no further… 7 18973 You might be able to apply to divert the sewer at your expense. In NSW you would contact a Water services co-ordinator and they would give you advice as to whether or not… 1 16203 do not pay until you are satisfied with workmanship windows require flashing over the head archithrave and up under weatherboards 3 28340 |