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general:property:development:construction:materials:formance:home [2019/03/17 23:27]
skys
general:property:development:construction:materials:formance:home [2019/03/17 23:28] (current)
skys
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     * So one solution is to use SG8's to support to a central beam.     * So one solution is to use SG8's to support to a central beam.
     * The living room beam, supporting a span of 2x420=840m, would have a load of ((8.40 x 4.2)/2) x 1.5kPa=17.64kPa would have to be steel, or a large wood truss.     * The living room beam, supporting a span of 2x420=840m, would have a load of ((8.40 x 4.2)/2) x 1.5kPa=17.64kPa would have to be steel, or a large wood truss.
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 Costs: Costs:
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 * SG8, 240x45 is about $21/linear metre. So it quickly adds up (think 2 x 210 = $420 every 1.2m of roof..oof!). * SG8, 240x45 is about $21/linear metre. So it quickly adds up (think 2 x 210 = $420 every 1.2m of roof..oof!).
 * An LVL11 90 x 40 can $60/linear metre. So more than 600$ *per beam*((https://​www.trademe.co.nz/​building-renovation/​building-supplies/​timber/​framing/​listing-1939967944.htm)). * An LVL11 90 x 40 can $60/linear metre. So more than 600$ *per beam*((https://​www.trademe.co.nz/​building-renovation/​building-supplies/​timber/​framing/​listing-1939967944.htm)).