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How long can bricks last?; Any construction experts?
Topic Started: 17 Aug 2014, 09:19 PM (4,457 Views)
Jimbo
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miw
18 Aug 2014, 07:43 PM
You think they don't eat hardwood? They love it! :-)

An interesting fact that I came across about the different between hardwoods and softwoods..... Softwoods are conifers and hardwoods are trees with leaves (i.e. not conifers) and the term doesn't necessarily mean wood that is hard/strong vs wood that is soft/weak. But in oz it does seem to be that way anyhow.
That is true, I was taught that in woodwork. Balsa is a hardwood but probably wouldn't be much good for housing.

Generally though, hardwood trees are hard and softwoods are soft and that is why they are named such.

Matthew, 30 Jan 2016, 09:21 AM Your simplistic view is so flawed it is not worth debating. The current oversupply will be swallowed in 12 months. By the time dumb shits like you realise this prices will already be :?: rising.
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miw
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herbie
18 Aug 2014, 08:18 PM
Pretty typical 50 yo aged Brisvegas hardwood that hasn't been softened up by a bathroom/toilet/kitchen leak???
I've seen what they do to hardwood on the place I grew up on. I've also seen what they did to my ex-boss's heritage-listed house in Clayfield, and that is all hardwood. There are species that will eat dry hardwood in good condition.

But it seems not all species will attack dry, seasoned hardwood.

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Massive
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miw
18 Aug 2014, 08:50 PM
There are species that will eat dry hardwood in good condition.

yep ..buggers will chow through anything if they are in the mood..

should always get your timber structures periodically checked to be sure..
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herbie
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miw
18 Aug 2014, 08:50 PM
I've seen what they do to hardwood on the place I grew up on. I've also seen what they did to my ex-boss's heritage-listed house in Clayfield, and that is all hardwood. There are species that will eat dry hardwood in good condition.

But it seems not all species will attack dry, seasoned hardwood.

I'd not back Spotted Gum against them - Lovely workable timber. Even after 50 plus years I can still drive a nail into it without drilling; And chisel it. But the rest of the shit (that I know of), it's just pretty much turned to 'concrete'. (Any water leak softened up stuff aside as I said - With water leaks in the plumbing being poison [even to hardwood].)
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Jimbo
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miw
18 Aug 2014, 08:50 PM
I've seen what they do to hardwood on the place I grew up on. I've also seen what they did to my ex-boss's heritage-listed house in Clayfield, and that is all hardwood. There are species that will eat dry hardwood in good condition.

But it seems not all species will attack dry, seasoned hardwood.

Timber pests and trees have evolved to outwit eachother. If a tree type was prone to pest invasion, it would have been wiped out before maturity allowing only the strongest trees to survive. Meanwhile, the pests developed teeth.

Jarrah in its seasoned and dry state is about as palatable to a termite as concrete. However, as termites have evolved to eat fallen Jarrah branches, you need to take care that your timber doesn't mimic forest floor deadwood. Areas subject to damp will expand the timber and soften its structure giving the termites a tasty meal.

My favourite new building material is the light steel frame. You can link a cad drawing to a machine and it will fold, cut and punch 1.9mm galvanised coil and even print part numbers on every section. You just rivet the lot together and you have a very strong (termite proof) structure.

Most dongas are built this way.


Edited by Jimbo, 18 Aug 2014, 09:17 PM.
Matthew, 30 Jan 2016, 09:21 AM Your simplistic view is so flawed it is not worth debating. The current oversupply will be swallowed in 12 months. By the time dumb shits like you realise this prices will already be :?: rising.
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miw
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Jimbo
18 Aug 2014, 09:16 PM
My favourite new building material is the light steel frame. You can link a cad drawing to a machine and it will fold, cut and punch 1.9mm galvanised coil and even print part numbers on every section. You just rivet the lot together and you have a very strong (termite proof) structure.
That sounds like a good way to go.
The truth will set you free. But first, it will piss you off.
--Gloria Steinem
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Jimbo
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miw
18 Aug 2014, 09:24 PM
That sounds like a good way to go.
Very big in China. Mainly for the partitions in apartment buildings. I have used it for a few builds and it is very easy and reliable.

https://framecad.com/en/products-services/construction/manufacturing-systems/f450it/
Matthew, 30 Jan 2016, 09:21 AM Your simplistic view is so flawed it is not worth debating. The current oversupply will be swallowed in 12 months. By the time dumb shits like you realise this prices will already be :?: rising.
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miw
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Jimbo
18 Aug 2014, 09:36 PM
Cooooool!

That is just pure engineer porn. How much would one of those machines set you back?
Edited by miw, 18 Aug 2014, 09:42 PM.
The truth will set you free. But first, it will piss you off.
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Jimbo
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miw
18 Aug 2014, 09:40 PM
Cooooool!

That is just pure engineer porn.
I first saw it at one of the big Aussie donga manufactures. You get a coil of galv, plug it in one end, turn on the machine and it "prints" all of your components. They come out in order as well (rather than producing by type) so that you can assemble as it prints.

Big Chinese modular building companies like CIMC use it for everything now.

It is a very simple concept but the genius is in the software. The machine just rolls, folds punches and prints whatever it is told to.




miw
18 Aug 2014, 09:40 PM
Cooooool!

That is just pure engineer porn. How much would one of those machines set you back?
I have no idea to be honest. I met the rep in Zhongshan a few years back, but that was for technical reasons and nothing to do with price.

I know that Ausco in Perth have a couple and they weren't cheap but they paid for themselves in months.

Economy of scale and all that.
Edited by Jimbo, 18 Aug 2014, 09:53 PM.
Matthew, 30 Jan 2016, 09:21 AM Your simplistic view is so flawed it is not worth debating. The current oversupply will be swallowed in 12 months. By the time dumb shits like you realise this prices will already be :?: rising.
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Ned Flanders
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Jimbo
18 Aug 2014, 09:36 PM
Very big in China. Mainly for the partitions in apartment buildings. I have used it for a few builds and it is very easy and reliable.

https://framecad.com/en/products-services/construction/manufacturing-systems/f450it/
I always thought that a steel framed house would be a giant Faraday's cage. I guess as long as the studs are at least 1 meter apart, anything over 300MHz should be OK.
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