You have 2 Options:

1) You can call us at 877-350-2729 and order custom step wire decks with step channels that will fit your particular step beams.

OR

2) You can purchase Flared Wire Decks. Flared Wire Decks will work with any beam thickness so long as the depth or (outer to outer length) of the parallel step beams falls within the standard dimensions we offer online: 36”, 42”, 44”, and 48”. See representative photos below: