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Design forum

Wall under stair

4hotshoes
Expert
I know this is a common thing. How do you build a wall under a stair so the top of the wall slopes with the bottom of the stair?

Then what is the easy way to pull the stair out to cover the wall without pulling out every tread and riser?
Todd Oeftger
AC25 Mac MacBook Pro 15", 2019, 2.3 GHz i9, 32GB, Radeon Pro 560X 4GB, 500GB SSD, 32" Samsung Display (2560x1440)
3 REPLIES 3

RandyC
Enthusiast
extend past stairs / add a roof plane(on invisible layer )/ trim to roof / hide roof plane or
extend wall / turn to morph / adust to stair slope
ArchiCAD 4.5 --- 25 , Win 10 , dual monitors, 64 gb ram,Nvidia GeforceRTX 2080 TI, I-9

Barry Kelly
Moderator
Are you using the stair tool (21 &22)?
If so you can use Solid Element Operations to trim your wall (won't show in plan of course).
And if you select the 'Boundary' of the stair in plan or 3D you can adjust the shape of the stair - or just adjust the width of the stair flight in the settings maybe?

Barry.

One of the forum moderators.
Versions 6.5 to 25
Dell XPS- i7-6700 @ 3.4Ghz, 16GB ram, GeForce GTX 960 (2GB), Windows 10
Dell Precision 3510 - i7 6820HQ @ 2.70GHz, 16GB RAM, AMD FirePro W5130M, Windows 10

R Muller
Enthusiast
Here's a stair I recently created with a skirt wall. The wall is a panel placed at the bottom of the railing. I set the elevation of the panel element from -3" to -11'. The bottom of the panel goes into the ground; I could use SEO to trim it if I needed to.

I had to cheat on the texture to keep it vertical, as the panel texture of a rail object follows the slope of the rail (see the white diagram). I created a copy of the surface texture and gave it a slope to counteract the slope of the stair. I applied this texture (in edit mode) to only the sloped segments of the rail.
R Muller
AC 26 USA (20+ years on ArchiCAD)
MBP 64GB Apple M1 Max OS 12.1 Monterey

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