topic Door hole slab composite vs mono layer in Modeling

Door hole slab composite vs mono layer

LVirone Greisch — Tue, 03 Jun 2025 06:24:24 GMT

Hello,

In my project I need to divide floor/slab by layer, and I observe that floor interact differently with door holes :

Composite : depending of the material priority, the floor is cut by the wall but not by the door holes.
Mono layer : with the same material, the floor is cut by the wall like there is no doors, the door holes are ignored.

In the image, the top layer of the composite has the same material than the mono layer floor. It's the same floor in the two images, I only changed the type from composite to mono layer for this example.

Am I doing something wrong ? Is there a parameter I am missing ?

Thanks

Operating system used: Windows 28.1.0 4001 FRA FULL

Re: Door hole slab composite vs mono layer

Barry Kelly — Tue, 03 Jun 2025 07:36:26 GMT

With the complex profile slab, you will probably find the top skin (not layer) is set as a 'finish' skin.

With a simple slab there is no such setting.

The wall hole for the door will allow 'finish' skins to flow through, but 'core' skis will interact with the wall based on building material strength.

So even if you have a single skin floor slab, make it a 'finish' skin.

Barry.

Re: Door hole slab composite vs mono layer

LVirone Greisch — Tue, 03 Jun 2025 07:39:39 GMT

@Barry Kelly

Thanks for confirming I'm not missing a parameter.

I will create a single layer composite for each layer, and set the layer correctly (finish in my case).

Thank you again