topic Re: Floor through niche in Modeling

Floor through niche

extrasystole — Thu, 10 Jul 2025 09:50:02 GMT

Hi,

it seems to be really hard with archicad to handle with some historical windows mate in a niche in massive walls.

The last problem I have is that the floor (on a new construction filter) doesn't run to the wall recess but stops where the massive walls starts. The picture is clear. The only way I know to avoid it, is to change the connection priority, but this mess up the entire project. A SEO is indeed also not working.

Is there any workaround for this situation? It should be really easy to make since this kind of openings are really common in historical buildings.

Thanks for sharing your thoughts.

Best

Re: Floor through niche

BrunoH — Thu, 10 Jul 2025 10:15:12 GMT

Hi extrasystole,

In the composite definition off your floor, did you set the all the ~~layers~~ skins function to "finish" ?

Clarification by moderator.

Set the floor composite skins for the floor finishes to "Finish" or "Other" and they should continue through the niche or opening rather than being cut by the wall.

The wall actually continues across the niche or opening, so if the floor skins are set as "Core" they will be trimmed by the wall based on building material strength.

Barry.

Re: Floor through niche

Lingwisyer — Fri, 11 Jul 2025 01:49:52 GMT

Re: Floor through niche

BrunoH — Sat, 12 Jul 2025 07:23:29 GMT

Hi Barry,

In Archicad documentation only skins defined as "Finish" are mentioned to continue.

Re: Floor through niche

Barry Kelly — Sun, 13 Jul 2025 03:51:56 GMT

I thought it was only the 'core' skins that are not affected.

The carpet skin will be the 'finish' but the underlay will be 'other'.

You would want both to continue through the opening.

I will try to remember to check it out next time I have Archicad running and will post back here.

Barry.

Re: Floor through niche

Barry Kelly — Sun, 13 Jul 2025 06:12:19 GMT

So long as the 'core' part of the composite is below the sill of the door, both the 'finish' and 'other' skins will continue through the door opening.

In this example my wall is a cavity wall and the concrete building material in the floor is stronger that ne brick skins but not the cavity.

If the core is not below the door sill then the entire floor composite is trimmed.

Barry.

Re: Floor through niche

extrasystole — Wed, 16 Jul 2025 20:48:30 GMT

Hi Barry,

thanks for your effort.
It's right that the finish continues through the door. But in the case of the window built in a niche (obtained from the window's palette parameter) it simply doesn't work. The only way I found that properly work, is to leave the core of the ceiling on a layer (e.g. "Structural floors") with a priority of 1 and another layer for the finishes with a priority of "2". In this way the floor properly runs to the parapet.

As I'm approaching a renovation of a building, it is also fine. But in this case one has to build the entire model already from the beginning.

I think that more than the ceiling is the object "window" that should be somehow improved.

Thanks

Re: Floor through niche

Lingwisyer — Thu, 17 Jul 2025 01:14:33 GMT

Oh, is this a window using the (heater) recess function? Looking at the OP, you did say "historical window"... Maybe the finish interaction does not work since the window is technically not at floor level...

Re: Floor through niche

Barry Kelly — Thu, 17 Jul 2025 03:10:31 GMT

This is correct.

As the window sill is not on the floor, it does not allow the floor finish to continue through to the frame.

Below is using the windows 'wall inset' option.

I can see no way to add a reveal on the inside that goes to the floor (not sure that would work anyway).

All I can suggest is to add a separate opening to the wall set as a niche so it doesn't extend trough the wall.

Adjust the size to just the floor thickness and the width of the window.

Barry.

Re: Floor through niche

extrasystole — Mon, 28 Jul 2025 20:42:38 GMT

Thank you Barry and Lingwisyer,

the solution to put the parts on a different priority works actually pretty good with the recess for the heating. Again, I think that the object "window" should be rethought and modified, to adapt to the various circumstances (see room calculation).

For now, that's all!

Thank you again