Browse Forums Renovation + Home Improvement 1 Feb 22, 2017 4:42 pm Howdy, First time posting... I am contemplating a 90 sqm extension and looking at whether a flat roof is feasible. My questions are: - what are the build options apart from a poured concrete slab (could we do a skillion hidden by a parapet - there span is pretty wide? why would you go for one or the other? if we went away from a rectangle design does that mean we have to go concrete slab - if we go the concrete slab, is that a lot more expensive, relative to a gable roof say or hidden skillion? I am in inner Sydney Any help/pointers to info would be appreciated, Thanks! Re: Flat roof - 2Mar 06, 2017 3:44 pm Why do you want a flat roof? How flat is "flat"? Colourbond can do 5% fall in some profiles. SIPS can do the same. Hebel could possibly do less with a waterproofing membrane (expensive). hidden skillion usually means box gutter, which at some point in the future WILL leak into the house. Something to bear in mind... On-site poured concrete roof would be many times the cost of a traditional skillion or gable roof. I would suggest you simply go and talk to council about your proposal, most councils are getting onboard with ancillary dwellings. There is no benefit in keeping it… 1 4455 I think I know the answer but just checking to see if anyone has had experience with it. I want to build a small 20 square metre retreat in my backyard, it will have a… 0 14916 Any advice on how to ensure the kit home granny flat that im thinking of buying will get council approval. The kit home companys wont release plans without a deposit and… 0 7769 |