Browse Forums Building A New House 1 Aug 03, 2012 10:46 am Hey guys, Just a question, does it matter if the frame is started the day after slab is layed? In my stage of building, I have noticed this happen with every house. My slab is about to be layed (finally, I may add) and they will be doing frame next day too. After excitedly talking to friends about this (critical ones) they tell me that its wrong and they should be waiting (some saying at least a month). My response is.. well the builders are the experts and they have to guarantee the slab so why would they do something which would potentially cause damage to the slab.. How have your houses gone with this? What was time b/w slab and frame? Cheers! Re: Slab to Framing 2Aug 03, 2012 10:55 am These days they can add a chemical to the concrete which allows the slab to harden quicker than in the "old days"-which is why frames go up so much quicker. Deemaree Kyndylan Capers: viewtopic.php?f=36&t=46852 My blog: http://www.sufficientlysufficient.blogspot.com/ Re: Slab to Framing 4Aug 03, 2012 10:58 am This has been asked plenty of times so a search should have found this link http://www.anewhouse.com.au/?p=1575 Re: Slab to Framing 5Aug 03, 2012 10:59 am You're welcome! dvestate This has been asked plenty of times so a search should have found this link http://www.anewhouse.com.au/?p=1575 That link is an offsite one dvestate. Deemaree Kyndylan Capers: viewtopic.php?f=36&t=46852 My blog: http://www.sufficientlysufficient.blogspot.com/ Re: Slab to Framing 6Aug 03, 2012 11:08 am It is but refered to alot in heaps of threads about concrete slab questions in this forum... I can say 100% that I would not be happy with my frame going up the day after the pour. Even with chemical's to cure 24 hours, or possibly less depending when the chippies turn up the next day is way to tight Re: Slab to Framing 7Aug 03, 2012 11:48 am OUr last two houses have had frames installed within 24-48 hours of slab pour and we have had no issues whatsoever. In fact, when we sold our last house ( our 3rd build)the independant inspection report paid for by the purchasers commented on how solidly built our home was and how little movement had occured in the 6 years since construction. Deemaree Kyndylan Capers: viewtopic.php?f=36&t=46852 My blog: http://www.sufficientlysufficient.blogspot.com/ Re: Slab to Framing 9Aug 03, 2012 1:13 pm It's no problem, the slab will be at around 60% of it's full compressive strength after just three days of being poured. The weight of the pine frame is minimal as it is spread through the bottom plate, by the time roof trusses and roofing go on the slab is very close to it's full compressive strength. Re: Slab to Framing 10Aug 03, 2012 1:43 pm Thanks guys! I have spoken to my friend who works for a builder (he's a chippy) and he says that it is OK because the frame is so light - between the slab to frame, frame to roof, it is enough time for the slab to cure! Just wanted some other opinions! Cheers guys Re: Slab to Framing 11Aug 03, 2012 1:46 pm Oh and we don't have pre-fab frames - ours are stick... completed on site.. so even though our chippies will be there the next day, this doesn't mean they will be putting the frame together on the slab.. (my thoughts only). Re: Slab to Framing 12Aug 03, 2012 3:55 pm Dee FWIW the chemical you are referring to is a curing agent only and is supposed to reduce the rate of hydration(should be dehydration but that's what they call it). Also likely a barrier to adhesives. unless it is a flash one IYKWIM. Where you are coming from is where you are going to... Re: Slab to Framing 13Aug 03, 2012 3:57 pm Thanks Onc- glad to hear from an expert! Deemaree Kyndylan Capers: viewtopic.php?f=36&t=46852 My blog: http://www.sufficientlysufficient.blogspot.com/ Re: Slab to Framing 14Aug 03, 2012 4:09 pm expert = drip under pressure so I guess pretty accurate Where you are coming from is where you are going to... Re: Slab to Framing 15Aug 03, 2012 4:17 pm Deemaree Kyndylan Capers: viewtopic.php?f=36&t=46852 My blog: http://www.sufficientlysufficient.blogspot.com/ Re: Slab to Framing 16Aug 04, 2012 11:58 pm By law , last time I checked, 60 days was the minimum time to allow a slab to cure before any sealing or fixing takes place to it - no matter what chemicals are in it. Nailing a bottom plate to the green concrete slab weakens your edge beam nor will the timber fix properly. The only chemicals in concrete are hardeners , waterproofers and or softeners. These are just used as weather supplements. ie When you are pouring in 40 degree heat you would use a softener so it doesn't go off before it's out of the truck. Often referred to as a summer mix. I would be out there hosing the slab with down daily for at least a week. That is the correct curing method for concrete. Re: Slab to Framing 17Aug 05, 2012 8:15 am I'm not sure whether that is true. 60 days is 2 months and I have watched 10+ houses innmy stage have their slab layed and frame done the next day (a number of diff companies). Maybe check up on that one doesn't seem right? (not saying you're wrong, but 60 days? Every builder would be taken to court). Cheers! Re: Slab to Framing 18Aug 07, 2012 4:45 pm Hi Buffy, A few days for light weight stuff should be fine, tractors delivering bricks and dropping on the slab is a bit hectic. 60 days is not correct Where you are coming from is where you are going to... STEFF62 Framing should be fine, but he will only be able to nail the baseplates in, I wouldnt think you can dynabolt them after 24 hours. 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