ᐅ Should door ventilation grilles be sealed off?

Hello,

Does anyone have tips on how to cover ventilation grilles (see attachment) in bathroom doors? Ideally, for example, a panel that can be sealed on both sides? So far, my only idea is to place cardboard or possibly foam between the two parts of the ventilation grille.

I have rented an apartment where each of two bathroom doors has two ventilation grilles installed. In the bathroom with natural light, they are probably unnecessary. In the windowless bathroom, due to good fans and a drafty old door, probably also.

The ventilation grilles were likely once necessary because gas heaters were installed in these rooms (no longer the case). Of course, cold air from the bathroom with natural light is annoying, as well as noise and odors.

I am new here, and as you can tell, not an experienced DIYer 🙂

Thank you very much for any tips

Melanie

Is the gas boiler no longer located inside the rooms or the apartment?

xMisterDx schrieb:

Is the gas boiler no longer inside the rooms or no longer inside the apartment?

There is no gas boiler inside the apartment.

For decades, there has been a central heating system that also heats the water.

The best solution would be if the landlord could replace both doors with ones without ventilation grilles. Is that an option?

xMisterDx schrieb:

The best solution would be if the landlord replaces the two doors with ones without ventilation grilles. Is that an option?

Why would a landlord simply spend money on an apartment just to fulfill a tenant’s "trivial" request? And then possibly install doors that don’t match the appearance of the others (since the installed doors are old).

I would, in coordination with the landlord, foam the openings and cover them with a film (if a reasonably matching one can be found).

If it’s only about airflow/cold and not noise, I would just seal it (from the inside of the grille).