Rossendale started strongly and after just three minutes their pressure told as first Hull's Richard Brown was yellow carded and then they forced their way over for a try credited to second row Tom Jones, Steve Nutt adding the conversion.
Hull survived without conceding more points until they were back to a full compliment and then immediately fashioned a try, Will Robinson racing in wide out.
Rossendale's response was not long in coming and having driven up to the Hull twenty two they moved the ball well for full back Joe Mc Cluskie to go over for a try converted by Nutt to take 14-5 lead.
With their scrum dominating Hull took charge of the remainder of the half with Tomasi Tanumi kicking a penalty followed by two quick tries from Ben Sullivan, the outside half adding the conversion and Alex Heard for 20-14 at the break.
With Rossendale receiving a yellow card early in the second half, Hull took full advantage with two tries from Karim Nazir and one from Lee Brown, Tanumi slotting two more conversions
Rossendale now threw everything into a desperate last ditch attempt to secure a losing bonus point ending with try by George Peel , but the last word went to Hull, scrum half Harvey Harding over for a sixth.
Geoff Lightfoot