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Old 11th August 2011, 11:03 AM   #1
John Cranna
Senior Member
Join Date: Jul 2008
Posts: 35
Default TR20

I notice that you have properties for trussed rafter strength grade TR26 but not for TR20. Why is this? Is TR20 used very little, but if so it would still be useful to have option to use it. I have been checking trussed rafters a lot recently as I check roofs for a solar pv company. It would be interesting to know if other engineers are picking up this line of work.

Many thanks Tony - is Melbourne chilly (ish)?

John Cranna
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Old 11th August 2011, 12:01 PM   #2
Tony Bryer
Join Date: Apr 2008
Location: Melbourne, Australia
Posts: 830
Default Re: TR20

I think TR26 was added as a user request; TR20 will be in the next release.

Melbourne winters are longer than I expected, though what we call cold would be mild by UK standards. Spring is in the air though. Tragic to have the UK in our news for all the wrong reasons.
Tony Bryer, Greentram Software Pty Ltd
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