WUFI North America

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Underground Concrete structure

Last post by Christian Bludau « Fri Jun 12, 2026 1:43 am -1100
Replies: 1
by Nidhi » Mon Jun 01, 2026 10:53 am -1100

1 Replies

389 Views

Last post by Christian Bludau
Fri Jun 12, 2026 1:43 am -1100
Air Layer Usage

Last post by Christian Bludau « Fri Dec 05, 2025 1:56 am -1100
Replies: 1
by Dan001 » Tue Feb 07, 2023 10:33 am -1100

1 Replies

148871 Views

Last post by Christian Bludau
Fri Dec 05, 2025 1:56 am -1100
Concrete Block

Last post by Christian Bludau « Fri Oct 14, 2022 12:50 am -1100
Replies: 3
by eordner » Wed Jul 23, 2008 11:06 am -1100

3 Replies

48383 Views

Last post by Christian Bludau
Fri Oct 14, 2022 12:50 am -1100
Material Database - Graphite Polystyrene GPS SIPs

Last post by Christian Bludau « Thu Jul 14, 2022 8:49 pm -1100
Replies: 1
by Ricky JGA » Fri Feb 14, 2020 6:59 am -1100

1 Replies

46976 Views

Last post by Christian Bludau
Thu Jul 14, 2022 8:49 pm -1100
Unvented roof modeling issues

Last post by Christian Bludau « Thu Jul 14, 2022 8:46 pm -1100
Replies: 1
by Matthew Martinez » Wed Sep 29, 2021 8:16 am -1100

1 Replies

37941 Views

Last post by Christian Bludau
Thu Jul 14, 2022 8:46 pm -1100
Perm ratings for ceramic and porcelain tiles

Last post by Michael Hurd « Wed May 19, 2021 4:14 am -1100
Replies: 2
by Michael Hurd » Fri May 14, 2021 9:46 am -1100

2 Replies

79010 Views

Last post by Michael Hurd
Wed May 19, 2021 4:14 am -1100
Zip Wall Material (Huber) definition

Last post by JMarsh4087 « Fri Jan 03, 2020 9:43 am -1100
Replies: 2
by RogerTaylor » Tue Jun 18, 2019 10:15 am -1100

2 Replies

46585 Views

Last post by JMarsh4087
Fri Jan 03, 2020 9:43 am -1100
Copied Cases exhibit differing basic loads

Last post by Luke McKneally « Fri Jul 26, 2019 1:48 am -1100

by Luke McKneally » Fri Jul 26, 2019 1:48 am -1100

0 Replies

44431 Views

Last post by Luke McKneally
Fri Jul 26, 2019 1:48 am -1100
Low Slope roof calculation errors

Last post by BEHROOA « Wed Jun 05, 2019 6:03 am -1100
Replies: 3
by Michael Hurd » Tue Sep 06, 2016 11:44 am -1100

3 Replies

49259 Views

Last post by BEHROOA
Wed Jun 05, 2019 6:03 am -1100
Swimming pool modeling issue

Last post by veitner « Wed Apr 05, 2017 6:34 am -1100
Replies: 19
by Michael Hurd » Tue Apr 04, 2017 5:02 am -1100
1

2
19 Replies

1786774 Views

Last post by veitner
Wed Apr 05, 2017 6:34 am -1100
Version and Material Database Help Please

Last post by Manfred Kehrer « Fri Nov 11, 2016 5:51 am -1100
Replies: 1
by zaklee » Fri Nov 11, 2016 5:44 am -1100

1 Replies

85077 Views

Last post by Manfred Kehrer
Fri Nov 11, 2016 5:51 am -1100
Error Message

Last post by Christian Bludau « Mon Nov 07, 2016 10:06 pm -1100
Replies: 2
by Kit Elsworth » Wed Oct 19, 2016 10:47 am -1100

2 Replies

45388 Views

Last post by Christian Bludau
Mon Nov 07, 2016 10:06 pm -1100
Perm database values

Last post by robinasu « Fri Apr 22, 2016 9:32 am -1100
Replies: 6
by robinasu » Tue Apr 19, 2016 2:04 pm -1100

6 Replies

56973 Views

Last post by robinasu
Fri Apr 22, 2016 9:32 am -1100
Foil faced Polyisocyanurate insulation

Last post by Anais « Wed Nov 25, 2015 2:32 am -1100
Replies: 4
by Russ » Sat Apr 24, 2010 6:28 am -1100

4 Replies

63339 Views

Last post by Anais
Wed Nov 25, 2015 2:32 am -1100
Problem with vertical subdivisions in WUFI Passive Manual Example

Last post by russ@goodshacks « Wed Aug 05, 2015 6:03 am -1100
Replies: 2
by russ@goodshacks » Tue Jul 21, 2015 12:38 pm -1100

2 Replies

88267 Views

Last post by russ@goodshacks
Wed Aug 05, 2015 6:03 am -1100
Floor assembly over detention pond

Last post by Christian Bludau « Sun Apr 12, 2015 11:09 pm -1100
Replies: 1
by btcpc » Thu Apr 02, 2015 7:30 am -1100

1 Replies

43108 Views

Last post by Christian Bludau
Sun Apr 12, 2015 11:09 pm -1100
Georgian Bay Limestone Water Content Not Ascending

Last post by Christian Bludau « Wed Dec 10, 2014 8:27 pm -1100
Replies: 3
by JenniferWatters » Fri Oct 31, 2014 6:14 am -1100

3 Replies

50758 Views

Last post by Christian Bludau
Wed Dec 10, 2014 8:27 pm -1100
modelling 40's house retrofit: wood chip properties and initial conditions

Last post by mbd « Wed Dec 03, 2014 3:35 am -1100

by mbd » Wed Dec 03, 2014 3:35 am -1100

0 Replies

52377 Views

Last post by mbd
Wed Dec 03, 2014 3:35 am -1100
WUFI Passive - stud wall assembly example needed

Last post by mpazold « Mon Oct 13, 2014 12:24 am -1100
Replies: 1
by Robert Albano » Tue Sep 30, 2014 9:10 am -1100

1 Replies

44691 Views

Last post by mpazold
Mon Oct 13, 2014 12:24 am -1100
Can't get Database to install

Last post by veitner « Tue Jul 08, 2014 8:01 pm -1100
Replies: 1
by michelle_behrmann » Tue Jul 08, 2014 6:56 am -1100

1 Replies

43589 Views

Last post by veitner
Tue Jul 08, 2014 8:01 pm -1100
Transfer Coefficients vs Separate Layers

Last post by Christian Bludau « Mon Mar 31, 2014 3:27 am -1100
Replies: 3
by Don Anthan » Sun Dec 04, 2011 5:23 am -1100

3 Replies

51270 Views

Last post by Christian Bludau
Mon Mar 31, 2014 3:27 am -1100
WUFI ORNL and WUFI Light - the same?

Last post by Christian Bludau « Thu Nov 21, 2013 12:02 am -1100
Replies: 1
by cjensen » Wed Nov 20, 2013 4:33 pm -1100

1 Replies

42502 Views

Last post by Christian Bludau
Thu Nov 21, 2013 12:02 am -1100
The device is not ready; Access violation at address in modu

Last post by BAHO87 « Sat Oct 19, 2013 4:03 pm -1100
Replies: 4
by BAHO87 » Sat Oct 05, 2013 11:22 am -1100

4 Replies

51244 Views

Last post by BAHO87
Sat Oct 19, 2013 4:03 pm -1100
Error External Exception C000001D

Last post by veitner « Wed Oct 09, 2013 7:12 pm -1100
Replies: 2
by gostrow@seanet.com » Fri Sep 13, 2013 8:27 am -1100

2 Replies

49894 Views

Last post by veitner
Wed Oct 09, 2013 7:12 pm -1100
surface diffusion in Redistribution Liquid Transport Coeff

Last post by Christian Bludau « Thu Sep 19, 2013 9:42 pm -1100
Replies: 6
by edgararq » Mon Jul 22, 2013 10:38 am -1100

6 Replies

62113 Views

Last post by Christian Bludau
Thu Sep 19, 2013 9:42 pm -1100
moisture fluxes

Last post by Christian Bludau « Sun Aug 18, 2013 8:28 pm -1100
Replies: 1
by edgararq » Wed Aug 14, 2013 10:33 pm -1100

1 Replies

42537 Views

Last post by Christian Bludau
Sun Aug 18, 2013 8:28 pm -1100
Tectum Panels

Last post by JKistler « Thu Aug 01, 2013 12:49 pm -1100

by JKistler » Thu Aug 01, 2013 12:49 pm -1100

0 Replies

45831 Views

Last post by JKistler
Thu Aug 01, 2013 12:49 pm -1100
Blog series "The ABC's of WUFI"

Last post by LindaWhaley « Tue Jul 09, 2013 11:39 am -1100

by LindaWhaley » Tue Jul 09, 2013 11:39 am -1100

0 Replies

45790 Views

Last post by LindaWhaley
Tue Jul 09, 2013 11:39 am -1100
Can we change the indoor temperature in free version?

Last post by Manfred Kehrer « Sat Feb 02, 2013 6:50 am -1100
Replies: 7
by holyspidoo » Thu Jan 31, 2013 6:24 am -1100

7 Replies

58110 Views

Last post by Manfred Kehrer
Sat Feb 02, 2013 6:50 am -1100
Isoclad and Isofoil Materials?

Last post by Manfred Kehrer « Thu Jan 31, 2013 7:39 am -1100
Replies: 2
by holyspidoo » Thu Jan 31, 2013 5:59 am -1100

2 Replies

44723 Views

Last post by Manfred Kehrer
Thu Jan 31, 2013 7:39 am -1100
Unable to run calculation

Last post by Christian Bludau « Sun Jan 13, 2013 9:53 pm -1100
Replies: 3
by Sum1 » Fri Jan 11, 2013 5:39 am -1100

3 Replies

46662 Views

Last post by Christian Bludau
Sun Jan 13, 2013 9:53 pm -1100
Typical Seattle, WA Light Frame Wall Assembly

Last post by Manfred Kehrer « Fri Dec 14, 2012 3:57 am -1100
Replies: 1
by Hayden Robinson » Tue Dec 11, 2012 7:22 am -1100

1 Replies

43133 Views

Last post by Manfred Kehrer
Fri Dec 14, 2012 3:57 am -1100
Transfer coefficients

Last post by bbarms « Mon Oct 01, 2012 1:51 am -1100
Replies: 2
by bbarms » Fri Sep 28, 2012 9:36 am -1100

2 Replies

43752 Views

Last post by bbarms
Mon Oct 01, 2012 1:51 am -1100
"Vapor Barrier" Interior Paints

Last post by selder « Wed May 23, 2012 3:06 am -1100
Replies: 2
by selder » Wed May 23, 2012 1:51 am -1100

2 Replies

45400 Views

Last post by selder
Wed May 23, 2012 3:06 am -1100
Does changing R-value affect hygrothermal properties?

Last post by PallaviMantha « Wed Jul 06, 2011 9:53 am -1100
Replies: 2
by PallaviMantha » Fri Jun 03, 2011 4:04 am -1100

2 Replies

46889 Views

Last post by PallaviMantha
Wed Jul 06, 2011 9:53 am -1100
Water content of closed cell foam

Last post by Thomas « Fri Jun 17, 2011 3:02 am -1100
Replies: 1
by LindaWhaley » Mon Jun 13, 2011 10:58 am -1100

1 Replies

45328 Views

Last post by Thomas
Fri Jun 17, 2011 3:02 am -1100
Fibre Glass OR Low Density Glass Fibre Iinsulation

Last post by Peter Vander Heide « Thu May 19, 2011 8:16 am -1100

by Peter Vander Heide » Thu May 19, 2011 8:16 am -1100

0 Replies

44932 Views

Last post by Peter Vander Heide
Thu May 19, 2011 8:16 am -1100
output data derivation

Last post by Christian Bludau « Tue Apr 26, 2011 1:32 am -1100
Replies: 3
by malimog » Mon Apr 25, 2011 6:46 am -1100

3 Replies

46342 Views

Last post by Christian Bludau
Tue Apr 26, 2011 1:32 am -1100
Asphalt Shingle Roof System

Last post by Thomas « Sun Apr 17, 2011 10:26 pm -1100
Replies: 1
by Sushmit Shreyans » Sat Apr 16, 2011 1:36 pm -1100

1 Replies

43770 Views

Last post by Thomas
Sun Apr 17, 2011 10:26 pm -1100
Precast panel drying zone

Last post by Daniel « Wed Mar 16, 2011 9:20 am -1100
Replies: 3
by Michael Hurd » Mon Mar 14, 2011 11:32 am -1100

3 Replies

49709 Views

Last post by Daniel
Wed Mar 16, 2011 9:20 am -1100
Convergence errors & results reliability

Last post by bek15212 « Mon Feb 14, 2011 7:37 am -1100
Replies: 2
by bek15212 » Sun Feb 13, 2011 10:43 am -1100

2 Replies

44558 Views

Last post by bek15212
Mon Feb 14, 2011 7:37 am -1100
Precast panel make-up affect on hygrothermal performance

Last post by Michael Hurd « Mon Jan 31, 2011 12:26 pm -1100
Replies: 3
by Michael Hurd » Thu Jan 20, 2011 11:04 am -1100

3 Replies

48429 Views

Last post by Michael Hurd
Mon Jan 31, 2011 12:26 pm -1100
Material for Concrete Walls

Last post by KennethRoko « Tue Nov 16, 2010 8:24 am -1100

by KennethRoko » Tue Nov 16, 2010 8:24 am -1100

0 Replies

42802 Views

Last post by KennethRoko
Tue Nov 16, 2010 8:24 am -1100
how to model engineered OSB I-joist with wood deck

Last post by Steve « Mon Nov 08, 2010 11:47 am -1100

by Steve » Mon Nov 08, 2010 11:47 am -1100

0 Replies

42354 Views

Last post by Steve
Mon Nov 08, 2010 11:47 am -1100
Metal Stud Walls

Last post by Manfred Kehrer « Tue May 11, 2010 7:41 pm -1100
Replies: 1
by Dave Bryan » Mon May 10, 2010 5:48 am -1100

1 Replies

43325 Views

Last post by Manfred Kehrer
Tue May 11, 2010 7:41 pm -1100
Modeling Asphalt Shingles and Felt Underlayment

Last post by Manfred Kehrer « Thu Mar 04, 2010 4:15 am -1100
Replies: 3
by Sushmit Shreyans » Wed Mar 03, 2010 7:42 am -1100

3 Replies

47294 Views

Last post by Manfred Kehrer
Thu Mar 04, 2010 4:15 am -1100
icynene insulation

Last post by Manfred Kehrer « Tue Feb 10, 2009 8:19 pm -1100
Replies: 1
by yalinu » Tue Feb 10, 2009 2:33 pm -1100

1 Replies

43195 Views

Last post by Manfred Kehrer
Tue Feb 10, 2009 8:19 pm -1100
Paint Coatings on Interior Wall

Last post by C. Furtaw « Fri Jul 25, 2008 4:05 am -1100
Replies: 4
by C. Furtaw » Mon Jul 21, 2008 1:28 am -1100

4 Replies

55702 Views

Last post by C. Furtaw
Fri Jul 25, 2008 4:05 am -1100
"R" values for insulation products

Last post by AUChE1997 « Thu Apr 24, 2008 2:14 am -1100
Replies: 4
by Michael Hurd » Mon Oct 08, 2007 9:30 am -1100

4 Replies

65944 Views

Last post by AUChE1997
Thu Apr 24, 2008 2:14 am -1100
Perm Rating of sprayed polyurethane foam

Last post by C. Furtaw « Thu Mar 13, 2008 3:39 am -1100
Replies: 4
by C. Furtaw » Wed Feb 27, 2008 2:33 am -1100

4 Replies

50130 Views

Last post by C. Furtaw
Thu Mar 13, 2008 3:39 am -1100

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