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Re: Wood vs Brick built houses
Originally Posted by GeoffM
(Post 9386345)
I live in an area that was apparently the biggest building site in Europe. Thousands of new houses over the last decade and they're still building. All the ones I've seen are breeze block inner walls and brick exterior. Note that the brickwork is not just decorative though, it also forms the insulation barrier.
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Re: Wood vs Brick built houses
Originally Posted by Bob
(Post 9387855)
Aye, they've been built like that for years, they inject a foam filler in between the layers for better insulation too.
PU would give an R of 6 per inch so that is probably the filler, more likely sheet if it is new build. |
Re: Wood vs Brick built houses
Originally Posted by Bob
(Post 9387855)
Aye, they've been built like that for years, they inject a foam filler in between the layers for better insulation too.
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Re: Wood vs Brick built houses
Originally Posted by S Folinsky
(Post 9387531)
I refused to buy a slab house even though I'm not in Tornado Alley. However, the reasons have nothing to do survivability.
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Re: Wood vs Brick built houses
I live right on the border of Alabama and I can tell you from first hand experience that even brick buildings were wiped out last month. I drive through Harvest Alabama several times a week and some very nice and expensive brick homes are nothing but rubble.
It's probably going to take much longer to rebuild that area than it will places with wood built houses. That said I still like my brick house but I always go to my storm shelter when the sirens go off. |
Re: Wood vs Brick built houses
Originally Posted by Michael
(Post 9386674)
Safe rooms (usually small rooms built under the concrete garage floor or house concrete slab) are becoming common in recent years in tornado alley. They are small and cheap to build in a new house. A cellar may not be safe if it is not below a concrete floor since a F4-5 tornado can rip a wood framed attached floor from the cellar.
Even if someone builds a steel frame with rebar brick house, that still won't protect anyone since windows will break causing debris flying through the windows. Also the roof will likely be torn off in a direct F4-5 tornado hit. projectiles, such as tree limbs, vehicles, and other debris being hurled at them at a high rate of speed. Then it becomes a domino affect. I haven't done any structural design for a while, but I believe that in most areas, the wind loading is designed for 90 mph. In hurricane areas, buildings that house things such as backup generators are designed for a wind loading of 150mph. An EF4 tornado hit 5 miles from us last month, and the damage done to older buildings was horrendous. A recovery I was at in the 90s had 2" thick steel doors bent beyond repair. A 400lb roof fan was torn from its moorings, and found 1/4 mile away, after being through a warehouse wall. So, I guess if you design your house using H and W sections, it may well stand, but the windows will be blown out. Which is why some poor souls believed that if they opened their windows during a tornado, they would be OK!! The experts say that there is still a lot that we have to learn about tornados, but one of the more recent thinkings is that often there are tornados in tornados. |
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