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Name for a beam made of metal and wood
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Andrew[_22_]
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Name for a beam made of metal and wood
On 15/02/2018 00:55,
wrote:
What is the name for a beam where its "core" is made of a "zig-zag" of metal and the top and bottom surfaces are made of (ply?) wood. Or is that just bit of fake news, a product of a deranged imagination?
Standard fitment in all new houses. Much stiffer and stronger
so less of those creaky chipboard floors that 70's houses
suffer from.
The 22mm chipboard or t&g plywood flooring is glued on all
four sides and also glued onto the top section of the beam.
When the glue has set, they cut a hole where the stairs pass through.
Makes first fit electrics a lot easier, because there are no holes
to drill. I-beam versions where the web is OSB usually have knockouts
in the correct places.
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