Winger Richard Johnson led the way with a brace while James Donovan, Adrian Phillips and Rob Hill added one apiece to seal a convincing bonus point victory.
Carmarthen Quins refuse to give up the chase and still have top spot firmly in their sights after a deserved 29-13 derby victory over Whitland.
Josh Freeman touched down for the Quins to add to a penalty try but it was outside half Mark Jones who was Whitland's chief destroyer as the points machine knocked over four penalties, two conversions and a dropped goal to finish with a haul of 19 points.
Third placed Llangennech lost ground on the pacesetters when they went down to a shock 16-15 defeat against 14-man Dunvant and now have Narberth breathing down their necks in fourth position after they recorded a fine 22-13 away win at Bonymaen.
Corus remain rock bottom after a 16-11 reverse at home to Cwmllynfell and Waunarlwydd's struggle also continued as they went down 28-8 at Merthyr.
Pontypool's Stuart Lawrence kept his side on course for the Division One East title with 16 points from the boot in a 26-12 triumph over visiting Blackwood. Skipper Leighton Jones led the way for Pooler with the opening try and Nicky Coughlin followed suit while Blackwood's points all came from the trusty boot of fly half Jeremy Lloyd.
The win keeps Pooler six points ahead of second placed Bargoed, who were made to fight for their 31-25 bonus point victory by a spirited Rumney side.
Outside half Gethin Worgan slotted over 13 points in Llanharan's impressive 28-0 whitewash of Beddau while Fleur De Lys will be happy with the torrid 6-6 draw they salvaged in treacherous conditions at Newbridge.
The games between Llantrisant and Caerphilly and also Newport Saracens and UWIC both fell victim to the weather.