ᐅ Fill gap next to stair nosing strip

Created on: 11 Nov 2025 08:53
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nocotool
Hello,

After completing our new build, there is one remaining issue that nobody seems to take responsibility for. Next to the screed angles of the staircase, there are ugly gaps of about 1 x 10 cm (0.4 x 4 inches). These appear on all three floors, sometimes on one side and sometimes on both sides.

Close-up of a damaged interior floor edge with a gap between floor and wall


The architect had arranged for a company to apply PU (polyurethane) joints, but they never showed up. Now that we have a bit of time, we want to fix it ourselves.

What would you recommend? PU joint or something else?

Regards, Nicola
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nocotool
14 Nov 2025 19:51
Exactly!

The idea with the steel piece or sheet metal would actually be the nicest. I just lack the tools to make it. I was hoping for an idea that might not be perfect, but at least nicer than the current gap and something I can manage with reasonable effort as a non-skilled person.
J
jehd
14 Nov 2025 20:32
You can also order sheet metal cut to size online for a low price, or maybe there is a metalworker or roofer nearby.

Flat steel is also available at hardware stores; if the width suits your needs, you can simply cut it to length yourself with a saw. Or you could ask your neighbors—I recently cut something for a neighbor using an angle grinder...

Alternatively, you could try smooth wood painted to match, which might be acceptable since the paint is quite thick.
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nordanney
14 Nov 2025 20:32
nocotool schrieb:

I just lack the tools to make it.
Go to the locksmith around the corner. They can make anything for you at a low cost.
H
hanghaus2023
15 Nov 2025 09:00
Gray baseboard tiles on the wall? I don’t see any parquet flooring in the photo. The black material is probably metal. Whoever cut the metal edge too short should fix it. A proper wall connection is necessary here. A 3 cm (1.2 inch) gap is poor workmanship. The steel profile also doesn’t need an expansion joint. Nothing should move there.

A photo from above would also help to better understand the situation. In my opinion, the baseboard tile is also too short.