Blackwood continued their march towards the Division One East title after increasing their lead to seven points with an eight-try rout over Penallta.
The Caerphilly-based club held a two-point advantage at the top of the table with two games in hand but extended the margin over nearest rivals Newbridge who had the weekend off.
Two tries each from wing Kristian Perry, centre Gareth Price and scrum-half Rhys Hallet together with scores from number eight Dean Gibb and Trevor James allowed Blackwood to canter home 54-15.
Third-placed Merthyr suffered a setback with a 41-26 defeat at Llanharan as doubles from wing Lee Thorne and centre Lloyd Thomas did the damage in the six-try victory.
Bargoed gained ground on the leaders by clinching a 30-3 bonus-point win at Rumney.
Brothers Darren and Rhys Humphries crossed while tries from Mike Roberts and Lee Pearson gained the extra point to seal a convincing victory.
Carmarthen Quins look certainties to be crowned Division One West champions after their 42-17 demolition of second-placed Narberth.
Jason Harris bagged two of the away side's five tries to put them 22 points clear at the top.
The only sour point for the runaway leaders was the red card of Martin Morgan for a striking an opponent on 63 minutes.
The result enabled Tonmawr to leap into second thanks to their 27-14 win over Carmarthen Athletic.
Nigel Francis guided the visitors with a seocnd-half try in a 17-point tally to complement tries from Gareth John and Will Price.
A Tom Brooks try handed Bonymaen a decisive 10-8 home win over fellow strugglers Cwmllynfell who grabbed a consolation score through Alan Stere.
And in the remaining game a late Ellis Phillips try helped Llangennech - in another low-scoring contest - on their way to a 10-3 victory over Maesteg.
Wales duo Rhun Williams and Liam Belcher, who makes a welcome return after five months of injury woe, look ahead to next month's World Rugby U20 Championship in Manchester where they will face Ireland, Georgia and New Zealand.
Whenever Bedlinog tackle Penallta a massive fixure is guaranteed but this Sunday there will be even more emphasis placed on the two rivals when they contest the SSE Swalec Plate final at Principality Stadium.
Ahead of their SSE SWALEC Bowl Final clash with Taffs Well at Principality Stadium on Sunday, Burry Port share their #FABXV nomination with WRUTV in the search for Welsh rugby's greatest volunteers. Everyone can get involved by sending nominations via twitter to @WRU_Community using the hashtag #FABXV
Cardiff Blues prop Gethin Jenkins and Ospreys centre Ben John look ahead to the first game at Principality Stadium in Saturday's double header which is promising to be a special occasion for all Welsh fans.
Carmarthen Quins Director of Rugby Ian Jones and committee member Jeff Thomas along with Llandovery chairman Handel Davies look ahead to Sunday's SSE SWALEC Cup showdown where both teams are out to prove 'West is best'
SWALEC ambassador Shane WIlliams is looking forward to Sunday's Finals Day where the Cup, Bowl and Plate offers a great opportunity for players and teams to experience the magic of playing at Principality Stadium
Carmarthen Quins coach Richard Kelly believes it is an exciting time to be part of the Scarlets region as his side take on local rivals Llandovery in the SSE Swalec Cup final on Sunday, as WRU TV's Graeme Gillespie discovers