# General **URL:** https://community.realtimelca.com/c/general/4.md [Latest](https://community.realtimelca.com/latest.md) · [Categories](https://community.realtimelca.com/categories.md) · [Tags](https://community.realtimelca.com/tags.md) --- ## [Welcome to Real-Time LCA Community! 👋](https://community.realtimelca.com/t/welcome-to-real-time-lca-community/5)
**Author:** [@system](https://community.realtimelca.com/u/system)\ **Replies:** 0\ **Last updated:** [December 7, 2023, 9:29pm UTC](https://community.realtimelca.com/t/welcome-to-real-time-lca-community/5 "2023-12-07T21:29:35Z")
We are so glad you joined us. Real-Time LCA Community A place for professionals to come together to discuss and share ideas on how to reduce the climate impact of construction through Real-Time LCA. We provide a space … --- ## [About the General category](https://community.realtimelca.com/t/about-the-general-category/3)
**Author:** [@system](https://community.realtimelca.com/u/system)\ **Replies:** 0
--- ## [Variant analysis](https://community.realtimelca.com/t/variant-analysis/297)
**Author:** [@Ezgican](https://community.realtimelca.com/u/Ezgican)\ **Replies:** 5\ **Last updated:** [October 13, 2026, 7:01am UTC](https://community.realtimelca.com/t/variant-analysis/297 "2026-10-13T07:01:31Z")
Hello Realtime LCA I have a question regarding construction comparisons. Are there any methods to be able to compare the constructions with each other without having to create a completely new project and find the indi… --- ## [Downloaded Reports - Missing Data?](https://community.realtimelca.com/t/downloaded-reports-missing-data/389)
**Author:** [@Munkholm](https://community.realtimelca.com/u/Munkholm)\ **Replies:** 5\ **Last updated:** [October 7, 2026, 12:23pm UTC](https://community.realtimelca.com/t/downloaded-reports-missing-data/389 "2026-10-07T12:23:02Z")
Wondering why (in this example of downloaded Report) “IBF tagsten” is set to “Nej” in “Med i BR18”, and why there´s no “GWP-total” It´s clearly part of the calculation, according to the RTLCA Dashboard (And should be) … --- ## [Introducing AI-enabled EPD import](https://community.realtimelca.com/t/introducing-ai-enabled-epd-import/490)
**Author:** [@kilianspeiser](https://community.realtimelca.com/u/kilianspeiser)\ **Replies:** 0\ **Last updated:** [August 14, 2026, 10:04am UTC](https://community.realtimelca.com/t/introducing-ai-enabled-epd-import/490 "2026-08-14T10:04:44Z")
Fast and Accurate EPD Imports with AI Adding EPDs to the library is a manual and error-prone task, as it involves entering many values. Today, we introduce our production-ready EPD import from PDFs to decrease time for c… --- ## [% mapped should refer to](https://community.realtimelca.com/t/mapped-should-refer-to/484)
**Author:** [@SOP](https://community.realtimelca.com/u/SOP)\ **Replies:** 0\ **Last updated:** [July 2, 2026, 11:51am UTC](https://community.realtimelca.com/t/mapped-should-refer-to/484 "2026-07-02T11:51:57Z")
Nice feature which shows the percentage mapped. But a lot nicer, if it refers to the area of “Types”, which has been mapped, rather than present, where it apparently referes to the number of Types mapped. --- ## [Comparing reinforcement for concrete](https://community.realtimelca.com/t/comparing-reinforcement-for-concrete/480)
**Author:** [@Nanna](https://community.realtimelca.com/u/Nanna)\ **Replies:** 2\ **Last updated:** [June 30, 2026, 2:29pm UTC](https://community.realtimelca.com/t/comparing-reinforcement-for-concrete/480 "2026-06-30T14:29:15Z")
Hi, I have been reviewing the EPD comparison for the reinforcement steel products for concrete, and I suspect there might be an error in the data or the column chart. The product shown in red appears to be significantl… --- ## [Is each Type identified by its name or by its ifcguid?](https://community.realtimelca.com/t/is-each-type-identified-by-its-name-or-by-its-ifcguid/473)
**Author:** [@SOP](https://community.realtimelca.com/u/SOP)\ **Replies:** 2\ **Last updated:** [June 9, 2026, 7:53am UTC](https://community.realtimelca.com/t/is-each-type-identified-by-its-name-or-by-its-ifcguid/473 "2026-06-09T07:53:22Z")
If I push the updated model from Revit via Speckle, and the designers have changed a character in a name, will I loose the mapping or not? --- ## [Date of when the geometry was loaded to Realtime](https://community.realtimelca.com/t/date-of-when-the-geometry-was-loaded-to-realtime/474)
**Author:** [@SOP](https://community.realtimelca.com/u/SOP)\ **Replies:** 1\ **Last updated:** [June 4, 2026, 12:28pm UTC](https://community.realtimelca.com/t/date-of-when-the-geometry-was-loaded-to-realtime/474 "2026-06-04T12:28:08Z")
Is there a way in Realtime to check, when the model was pushed to Realtime? Imagine that I took over a project from somebody - or lost track myself. All the best, Søren --- ## [End of life scenario for polystyrene (from Sundolitt)](https://community.realtimelca.com/t/end-of-life-scenario-for-polystyrene-from-sundolitt/453)
**Author:** [@Elisabeth](https://community.realtimelca.com/u/Elisabeth)\ **Replies:** 0\ **Last updated:** [April 15, 2026, 9:18am UTC](https://community.realtimelca.com/t/end-of-life-scenario-for-polystyrene-from-sundolitt/453 "2026-04-15T09:18:21Z")
Hi all, I am wondering which waste scenario others are using when using the EPD from SUndolitt for polystyrene? Incineration or recycling? Happy to share what we are doing, but would like to hear what others are doing f… --- ## [Colour code for results](https://community.realtimelca.com/t/colour-code-for-results/436)
**Author:** [@MarkLabrosse](https://community.realtimelca.com/u/MarkLabrosse)\ **Replies:** 0\ **Last updated:** [March 12, 2026, 9:02am UTC](https://community.realtimelca.com/t/colour-code-for-results/436 "2026-03-12T09:02:41Z")
Hi This is just a small thing, but I’ve been wandering why almost all my projects are marked red, even though the project doesn’t exceed the threshold? Projects that perform really well are marked yellow, and the only … --- ## [Generic kg CO2e/unit value](https://community.realtimelca.com/t/generic-kg-co2e-unit-value/423)
**Author:** [@PatrickDahl](https://community.realtimelca.com/u/PatrickDahl)\ **Replies:** 1\ **Last updated:** [February 23, 2026, 8:14am UTC](https://community.realtimelca.com/t/generic-kg-co2e-unit-value/423 "2026-02-23T08:14:55Z")
Hello I have not been able to get an EPD on a product, but the supplier has sent me a generic kg CO2e/unit value. I know that in LCAByg you are able to put in this value without the need for filling out the EPD fields. … --- ## [Automapping doesn't include BimTypeCode](https://community.realtimelca.com/t/automapping-doesnt-include-bimtypecode/412)
**Author:** [@ThomasM](https://community.realtimelca.com/u/ThomasM)\ **Replies:** 2\ **Last updated:** [January 27, 2026, 12:38pm UTC](https://community.realtimelca.com/t/automapping-doesnt-include-bimtypecode/412 "2026-01-27T12:38:38Z")
I’m currently mapping my materials with BimTypeCode in RTLCA. Unfortunately Auto Mapping doesn’t transfer this to new projects. Is it something you are considering adding to RTLCA? --- ## [Autmapping - Transport](https://community.realtimelca.com/t/autmapping-transport/394)
**Author:** [@Munkholm](https://community.realtimelca.com/u/Munkholm)\ **Replies:** 1\ **Last updated:** [December 4, 2025, 7:27am UTC](https://community.realtimelca.com/t/autmapping-transport/394 "2025-12-04T07:27:03Z")
I´ve created a “template project”, that I use for Automapping. This works like a charm for like 95% of the materials, which is fine. But it fails for 25-30% of the Transport mapping… same materials each time… Why ? Als… --- ## [Page Jumping - Transport Mapping](https://community.realtimelca.com/t/page-jumping-transport-mapping/393)
**Author:** [@Munkholm](https://community.realtimelca.com/u/Munkholm)\ **Replies:** 0\ **Last updated:** [November 27, 2025, 9:32am UTC](https://community.realtimelca.com/t/page-jumping-transport-mapping/393 "2025-11-27T09:32:17Z")
When doing the Transport Mapping, it´s a PITA that the page jumps 5-10 seconds after pressing “add”. Do we really need the added line after the “add” command is saved to the system ? The delete button could go next to t… --- ## [Darn - You're missing a few bits before you can begin to map your transport!](https://community.realtimelca.com/t/darn-youre-missing-a-few-bits-before-you-can-begin-to-map-your-transport/387)
**Author:** [@Munkholm](https://community.realtimelca.com/u/Munkholm)\ **Replies:** 1\ **Last updated:** [November 11, 2025, 3:20pm UTC](https://community.realtimelca.com/t/darn-youre-missing-a-few-bits-before-you-can-begin-to-map-your-transport/387 "2025-11-11T15:20:57Z")
After the recent update, I can no longer map transport: Darn - You’re missing a few bits before you can begin to map your transport! We couldn’t find any transport types to map your inventory to.Remember to add your tr… --- ## [Question to the users: How do you guys use Real-Time LCA in your daily practices?](https://community.realtimelca.com/t/question-to-the-users-how-do-you-guys-use-real-time-lca-in-your-daily-practices/367)
**Author:** [@MarkLabrosse](https://community.realtimelca.com/u/MarkLabrosse)\ **Replies:** 2\ **Last updated:** [October 6, 2025, 7:51am UTC](https://community.realtimelca.com/t/question-to-the-users-how-do-you-guys-use-real-time-lca-in-your-daily-practices/367 "2025-10-06T07:51:09Z")
Hi everyone I wanted to ask a question that is directed more to all the other users of RTLCA, not to the development team :wink: How do you guys use Real-Time LCA in your daily practices? Our colleagues ask why our LC… --- ## [Loading time / speed](https://community.realtimelca.com/t/loading-time-speed/377)
**Author:** [@JakobKlinkwort](https://community.realtimelca.com/u/JakobKlinkwort)\ **Replies:** 5\ **Last updated:** [October 6, 2025, 7:49am UTC](https://community.realtimelca.com/t/loading-time-speed/377 "2025-10-06T07:49:49Z")
Hi, Have any of you discovered that the RT-LCA keeps spinning for ever after editing project information? In generel I feel that the software is getting slow. Any ideas to improve that? --- ## [Reference area & Machinery Fuel](https://community.realtimelca.com/t/reference-area-machinery-fuel/362)
**Author:** [@Munkholm](https://community.realtimelca.com/u/Munkholm)\ **Replies:** 1\ **Last updated:** [September 2, 2025, 4:52am UTC](https://community.realtimelca.com/t/reference-area-machinery-fuel/362 "2025-09-02T04:52:06Z")
It seems like it´s no longer possible to add a Reference area - Nor is it possible to select “Type” of Machinery Fuel. Probably due to the latest update… but needs fixing ASAP :wink: --- ## [CCS classification](https://community.realtimelca.com/t/ccs-classification/345)
**Author:** [@Magda](https://community.realtimelca.com/u/Magda)\ **Replies:** 7\ **Last updated:** [August 11, 2025, 12:49pm UTC](https://community.realtimelca.com/t/ccs-classification/345 "2025-08-11T12:49:50Z")
Hello I am testing the CCS classification in Revit and RealTime LCA and it seems that its not being communicated properly to RealTime - no matter how and where I type the code it keeps appearing as No Classification Cod… --- ## [Updated Speckle?](https://community.realtimelca.com/t/updated-speckle/319)
**Author:** [@Pelle\_V\_Larsen](https://community.realtimelca.com/u/Pelle_V_Larsen)\ **Replies:** 4\ **Last updated:** [August 11, 2025, 11:20am UTC](https://community.realtimelca.com/t/updated-speckle/319 "2025-08-11T11:20:12Z")
I got a new computer and installed revit 2025 and speckle. But speckle want me to update to speckle 3.0. I tried to update but they wanted payment to have projects on their server. so it seemed wrong. Installed the old v… --- ## [Material mapping wont load](https://community.realtimelca.com/t/material-mapping-wont-load/349)
**Author:** [@Munkholm](https://community.realtimelca.com/u/Munkholm)\ **Replies:** 1\ **Last updated:** [August 8, 2025, 8:25am UTC](https://community.realtimelca.com/t/material-mapping-wont-load/349 "2025-08-08T08:25:33Z")
Something is up with material mapping, which wont load. Have now tried several times, and waited for as long as 30 minutes, but nothing happens… have also tried closing the browser, logging out and back in etc… what to d… --- ## [Change the classification code for a construction type AFTER mapping](https://community.realtimelca.com/t/change-the-classification-code-for-a-construction-type-after-mapping/344)
**Author:** [@MBNI](https://community.realtimelca.com/u/MBNI)\ **Replies:** 3\ **Last updated:** [August 4, 2025, 4:53pm UTC](https://community.realtimelca.com/t/change-the-classification-code-for-a-construction-type-after-mapping/344 "2025-08-04T16:53:19Z")
How do i go about changing the classification code for a construction type AFTER mapping it, without deleting it and remapping it. --- ## [Deleting Building Component Inventory](https://community.realtimelca.com/t/deleting-building-component-inventory/334)
**Author:** [@Munkholm](https://community.realtimelca.com/u/Munkholm)\ **Replies:** 1\ **Last updated:** [July 11, 2025, 9:52am UTC](https://community.realtimelca.com/t/deleting-building-component-inventory/334 "2025-07-11T09:52:22Z")
Hi. Is there a way to delete a Building Component Inventory ? Specific need is to delete inventory from imported Excel. Thanks. --- ## [Deleting Models](https://community.realtimelca.com/t/deleting-models/335)
**Author:** [@Munkholm](https://community.realtimelca.com/u/Munkholm)\ **Replies:** 1\ **Last updated:** [July 11, 2025, 9:49am UTC](https://community.realtimelca.com/t/deleting-models/335 "2025-07-11T09:49:20Z")
Hi. Is it possible to delete a Model from a project ? Thanks. --- ## [Classification for excel upload don't work](https://community.realtimelca.com/t/classification-for-excel-upload-dont-work/333)
**Author:** [@ThomasM](https://community.realtimelca.com/u/ThomasM)\ **Replies:** 2\ **Last updated:** [July 9, 2025, 8:51am UTC](https://community.realtimelca.com/t/classification-for-excel-upload-dont-work/333 "2025-07-09T08:51:23Z")
The classification is recognized in building component inventory, but in the insights menu, it’s still listed as no classification code. And the update excel don’t work either. --- ## [Model exported via Speckle - No content](https://community.realtimelca.com/t/model-exported-via-speckle-no-content/321)
**Author:** [@Lange](https://community.realtimelca.com/u/Lange)\ **Replies:** 9\ **Last updated:** [June 11, 2025, 6:58am UTC](https://community.realtimelca.com/t/model-exported-via-speckle-no-content/321 "2025-06-11T06:58:03Z")
I’ve tried exporting my model. RealTime generates a 3D view of my model in the project site but the project has no content. Can anyone help? --- ## [Visualization in project overview](https://community.realtimelca.com/t/visualization-in-project-overview/309)
**Author:** [@MarkLabrosse](https://community.realtimelca.com/u/MarkLabrosse)\ **Replies:** 1\ **Last updated:** [May 13, 2025, 7:45pm UTC](https://community.realtimelca.com/t/visualization-in-project-overview/309 "2025-05-13T19:45:11Z")
Hi guys, This is a minor thing, but how does RTLCA choose which model to use for the visualization in the project overview? For some reason, the HVAC model is shown in this project for example - but I generally prefer … --- ## [Material not updating](https://community.realtimelca.com/t/material-not-updating/307)
**Author:** [@ThomasM](https://community.realtimelca.com/u/ThomasM)\ **Replies:** 0\ **Last updated:** [May 8, 2025, 11:13am UTC](https://community.realtimelca.com/t/material-not-updating/307 "2025-05-08T11:13:45Z")
Hi Tried to edit a custom material i made, but for some reason it doesn’t update. Could also be nice if we were able to make construction units in Psc. In this material I had to add up the numbers from 2 EPD’s, … --- ## [Missing family categories from Revit](https://community.realtimelca.com/t/missing-family-categories-from-revit/306)
**Author:** [@ThomasM](https://community.realtimelca.com/u/ThomasM)\ **Replies:** 0\ **Last updated:** [May 8, 2025, 9:23am UTC](https://community.realtimelca.com/t/missing-family-categories-from-revit/306 "2025-05-08T09:23:27Z")
Hi I tried exporting some Slab Edges and some Entourage families from Revit, but none of them show up i RTLCA. Am I missing something, or they are not supported at the moment? Thomas [Next page](https://community.realtimelca.com/c/general/4.md?page=1)