I have a Vieser drain, and I’m wondering if I should buy a Vieser grating for it?

If you have a Vieser drain, we recommend that you also buy a Vieser grating for it. Our stainless steel grating frame has a small flange to protect waterproofing, ensuring safe installation in accordance with regulations. Guidelines concerning wet rooms (RIL 107 and RT datasheet on wet room structures) state that in the installation of a square grating, waterproofing must not remain exposed, and the water trap must be removable for cleaning.