Matthew Jolly made a dream debut for Tredegar, as the 17-year-old Dragons prospect scored a hat-trick of tries in his first senior game.
The Division Two East leaders travelled to Treherbert and thrashed their hosts 61-13, with six more tries being ran in by Jamie Henthorne, Steven Knight, Darren Pearce, Daffyd James and two coming from Damian Smith.
Tredegar remain 14 points clear in the division after Bedlinog, who move into second place with Mountain Ash having been in Swalec Plate action, also recorded a bonus point win with the Foxes scoring five tries in a 32-14 victory at Llantrisant.
Builth Wells, the table toppers in Division Two West, crashed to defeat at Waunarlwydd, who were comprehensive 34-17 winners.
Waunarlwydd's three tries came from Michael Francis, Daniel Joseph and Matthew Mason, with Johnny Lewis kicking the other 19 points.
The Bulls' slip-up enabled second-place Loughor to close the gap on the leaders, requiring a narrow 10-8 win at Penclawdd to do so.
Elsewhere, two table topping clubs scored 12 tries a piece. Division Three West leaders Aberystwyth came away from Amman United with a 72-3 victory, their tries coming from Liam Thomas, Matthew Green, Iestyn Jones, Sion Summers, Gareth Jeffries, Arwel Lloyd, Jason Rees, Llewellyn Evans, Eifion Gwynne and two from Rhys Richards.
And Division Three South East leaders Llanwit Fardre battered Nantymoel 77-7, with four tries from Kieran Evans, two each from Andrew Webb and Paul Davies, and others from Marcus Caudle, Lewis James, Carl Thomas and Michael Thomas.