When silence rings added for soft landing. the extra thickness will reduce the key travel and compress the dome all the time. DES-DOME-GASKET will solve this problem perfectly.
Shape and thickness are well designed to fit 1u 2u and spacebar stabs. you can fit them as easy as DES-DOMES.
Material are exact same with silence rings , soft and finely cut, you can even adjust the thickness a little by tighten the screws.
2u and spacebar stabs will soft land to PCB when this gasket added.