Browse Forums Building Standards; Getting It Right! 1 Sep 11, 2015 11:24 am Hi All, Looking for some information on sealing the gap that has the bitumen impregnated joint filler between the slab and the concrete skirt around the house. 1. Is there anything in NCC that stipulates this needs to be sealed? I cant find anything around it. Any NCC pros out there that could perhaps point me in the right direction? Maybe contained in a standard I don't have access to etc? trying to work out if this is something I should pester my builder to complete, if they haven't met the NCC standards etc. 2. What is it typically sealed with? Some sort of flexible sealant I'm assuming. Could someone advise the product name? Is this something I could do myself, if so where can I obtain this? If not, who would i engage to do this, and what should I expect in way of cost? 3. Also the paining of exposed PVC pipes connections with UV protective paint - is this in NCC anywhere? Again I cant locate this. Many thanks in advance. Creator of superduperonium, expert at expert things, nobel laureate, can hold my breath for 10 minutes. Re: Sealing the gap between slab and path around the house 3Sep 13, 2015 10:29 am 1 As far as I'm aware it doesn't have to be sealed. The flexible joint as you know is to separate the main house slab from movement from any other like paths and garage not to seal the joint from the weather. This is unlike vertical construction joints on walls that are recommended to be sealed with a flexible compound over the main joint filler material. Despite this I have never seen that done on residential dwellings either only on commercial or multi - dwelling builds like townhouse developments. 2 Sikkaflex. It ain't cheap but is highly recommended for durability and flxibility. You can DIY but use masking tape against the house and on the path. It is a complete b..ch to get off masonry. 3 Once again I can't find anything in the NCC or BCA but it comes down to best practice and the fact that the manufacturers will only warrant their standard non - UV rated PVC pipes if they are painted. Don't paint them and their warranty is void. The builder should certainly be aware of this. From here on Iplex's FAQ page http://www.iplex.com.au/iplex.php?page= ... =12&sec=83 "Can PVC-U pipes be use above ground? Yes, these pipes must be supported at regular intervals and can be painted with acrylic based paint to reduce exposure to UV radiation." Other manufacturers word it a bit stronger. Stewie Re: Sealing the gap between slab and path around the house 4Jul 06, 2017 10:21 pm Ponzu 3. Also the paining of exposed PVC pipes connections with UV protective paint - is this in NCC anywhere? Again I cant locate this. AS/NZS 2032 states that PVC pressure pipes installed in direct sunlight must be either painted with light coloured water-based paints or otherwise protected. Many Australian Standards are not legislated or referenced in the NCC and it can be difficult to find out if certain Australian Standards have been legislated. If they are not referenced in the NCC, legislated or referred to in the contract in some way, they don't apply. 3in1 Supadiverta. Rainwater Harvesting Best Practice using syphonic drainage. Cleaner Neater Smarter Cheaper Supa Gutter Pumper. A low cost syphonic eaves gutter overflow solution. Re: Sealing the gap between slab and path around the house 5Jul 07, 2017 7:43 am There is nothing that requires sealant between walls and paving. I get to see houses that are 5,10,15,20 years old and sealant is never done and never an issue, Is there a particular reason why you would want this done? There is nothing specific in NCC about painting exposed UPVC however, it would make sense to do it not only for appearance but also because plastic exposed to UV will become brittle with time. I would put it down as required by the warranty of reasonable skill and care required from the builder. I remember your paving was demolished and rebuilt for non-compliance but don't remember if painting of downpipes and sockets was an issue. Foremost Building Expert in Australia,assisting with building problems/disputes, building stage inspections,pre-contract review advice for peace of mind 200 blogs http://www.buildingexpert.net.au/blog Re: Sealing the gap between slab and path around the house 6Feb 27, 2018 12:59 pm Hi, sorry for bringing up an old thread, but I have the same question as the OP. I see that everyone highly recommends having concrete paving installed around a new house to shield the underlying soil and slab from excess water. Thus, wouldn't having an unsealed gap between paving and wall reduce the effectiveness of this concrete paving, as water can get in? I'm asking because the paving around one side of my house (built 1.5 years ago) appears to have shifted somewhat (possibly from soil settlement?), and there's now an approximately 2 cm gap between the brick wall and the concrete pavement. The moisture barrier of the slab is visible in this gap. I'm wondering whether the gap should be sealed, and what product is recommended to be used. Thanks in advance. Hello everyone, After some suggestions and ideas about how to put a concrete path around the drop edge beam area on our new build. We are required to have a concrete path… 0 12852 2 7437 Not recommended! The image presented is for a sublevel area. The footings are down deep with a load bearing wall supporting the upper floor level. If you did that drain… 8 10525 |