Browse Forums Owner Builder Forum 1 Feb 02, 2018 3:07 pm Hi All, we have a home in Weston in the Lower Hunter NSW, we have a large garage on a slab we would like to convert to a GF. We are looking for an engineer to check and write areport on the Slab for Vapor barrier etc. Thanking everyone in advance. Cheers peter 1) I had requested R6 ceiling insualtion batts, however I noticed that on some areas there are huge gaps which will allow hot air to sweep in, and also noticed black/grey… 0 3597 3 6399 The engineering is the engineering. It's irrelevant how much material you have. Unless it fits the requirements of your design the engineer can't "make"it work. You might… 7 9686 |