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Re: Are Standard Timber Purlins also Thermal Breaks?

Hi JK, If the timber battens are along rather than perpendicular to the steeel framing they can be considered as thermal breaks. If they are mounted perpendicular the area that they cover under the steel framing is so small that they would have to be ignored. Purlins are normally mounted perpendicul...
by Albrecht Stoecklein
Wed Dec 20, 2017 2:37 pm
 
Forum: Design Navigator H1 Compliance Calculator
Topic: Are Standard Timber Purlins also Thermal Breaks?
Replies: 1
Views: 55

Re: Internal opening from stairs into storage area

That's a tricky one, Nokie69 The NZS4218:2009 does not really account for such openings. If there is no door then the R-value would be very small, i.e. in the order of R-0.05 to R-0.1, but because the heatflow is really cause by the airflow, rather than heat conductance through insulation material, ...
by Albrecht Stoecklein
Mon Dec 11, 2017 12:41 pm
 
Forum: Design Navigator H1 Compliance Calculator
Topic: Internal opening from stairs into storage area
Replies: 1
Views: 59

Re: Comparison between units

Hi Simon, I thought I had updated all of them. Maybe you need to clear your browser cache to see them all with consistent units. However, it is really just a naming issue. The numbers are the same. The “K” stands for Kelvin, the “°C” obviously for degree Celsius. Kelvin is the technically correct un...
by Albrecht Stoecklein
Mon Oct 30, 2017 3:34 pm
 
Forum: Design Navigator R-Value Calculator
Topic: Comparison between units
Replies: 4
Views: 463

Re: Can't find correct skillion roof construction

Hi Paul, I have just added an option that should fit your detail: https://lh3.googleusercontent.com/zIeuNQTehQ5S8Do_irrup5rq-BTVz37yJ8kvXNqEUN2bhoOARS-mHSoD0HUrPwlslOenudrFFjp1R5wxdmMoIFSgFuwItFW6zDCvzVaYHTUWGhd5NoeKSo1NfQlqnUyi8d-P3ivhcQE_gNiYzV-7xL58hUG2LV4P9SdtFPkve7I-eoxGAipzNnc25JjZZMexQPCNgq7q...
by Albrecht Stoecklein
Tue Jun 20, 2017 12:40 pm
 
Forum: Design Navigator H1 Compliance Calculator
Topic: Can't find correct skillion roof construction
Replies: 1
Views: 552

Re: ArchiCAD import

Thanks very much, Paul, really useful. The whole exercise does sound a bit cumbersome. That's a shame. If you are interested I am happy to share the software code for importing the gbXML file with you. You may spot some areas where the code could be modified so that the software filters the gbXML fi...
by Albrecht Stoecklein
Tue Jun 20, 2017 11:56 am
 
Forum: Bug Reports
Topic: ArchiCAD import
Replies: 7
Views: 3650

Re: Weatherside cladding

Hi Ian,

NZS4214:2006 suggests that high density particle boards have a conductivity of 0.14W/°Cm. That means that a 10mm sheet would have an R-value of about 0.01/0.14 = 0.07m²°C/W.

I hope that helps.

Sunny regards

Albrecht
by Albrecht Stoecklein
Mon May 22, 2017 7:32 pm
 
Forum: Design Navigator R-Value Calculator
Topic: Weatherside cladding
Replies: 2
Views: 1037

Re: ArchiCAD import

Hi Paul, That sounds good regarding the new ArchiCAD version. I hope the import into DesNav goes smoothly. There are only a handful of users using the DesNav gbXML option, as far as I know. So that means that there is a possibility that there are still some undiscovered bugs. But fingers crossed ;-)...
by Albrecht Stoecklein
Wed May 17, 2017 3:07 pm
 
Forum: Bug Reports
Topic: ArchiCAD import
Replies: 7
Views: 3650

Re: ArchiCAD import

Hi Paul, I just did a quick web search. Have you looked at this plug-in: http://www.cadimage.com/support/knowledgebase/gbxml/cadimage-gbxml-product-overview-1124 ? On this page it even says that the plug-in is free http://www.shoegnome.com/2015/02/20/gbxml-export-add-on-for-free-from-cadimage/ , alt...
by Albrecht Stoecklein
Wed May 17, 2017 11:22 am
 
Forum: Bug Reports
Topic: ArchiCAD import
Replies: 7
Views: 3650

Re: Single house - multiple wings/forms

Hi altaire01, There is no easy way to do that, unfortunately. There are programs that allow you to merge separate PDF files together, but that would still not make it look like one report. In case you are concerned about having to pay three fees, please just send me an e-mail with the three project ...
by Albrecht Stoecklein
Thu Apr 13, 2017 11:45 am
 
Forum: Design Navigator H1 Compliance Calculator
Topic: Single house - multiple wings/forms
Replies: 2
Views: 1023

Re: Multistory Slab Edge Thermal Bridges

Hi smcisaac, Yes, correct, the DesNav calculator basically assumes that around these slab perimeters there is the same insulation material as in the walls themselves. If there isn't the thermal bridge created by the midfloor slab edges along the walls is ignored unless you specify these sections in ...
by Albrecht Stoecklein
Thu Mar 02, 2017 4:30 pm
 
Forum: Design Navigator R-Value Calculator
Topic: Multistory Slab Edge Thermal Bridges
Replies: 1
Views: 703
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