Double sided PCB board with continuous traces?

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Thanks for the replies

You are searching for double sided Veroboard.
No such thing because it does not make sense.

For what *is* available, go to the source:
Strip Board | Vero Technologies

why wouldn't it make sense? I want to put components on both sides of the PCB, so the possibility to solder them from either side of the board would make my life a lot easier :)

here is something I found that is more or less what I want/need.
Printed and Perforated Breadboard Tips, Part 2 of 4 - Robot Room
"Double-Sided Plated-Through with Multiple Holes per Pad and Busses"

cheers, Erik
Double sided boards are used instead of single sided ones so tracks which can´t be routed because they collide with others can jump sides thanks to vias and go on, jumping sides as many times as is needed.

That does NOT happen on Veroboard because:
1) tracks are pre-applied in a fixed array
2) both sides match exactly, you put a pin through a hole, solder it to the bottom side ... you would have the exact same track duplicated above, with exact same holes ... what´s the point?, what do you gain? ... nothing.
3) Vero tracks are actually not much more than "extended pads with extra holes" , what turns those into real circuit boards are the *other* wires you add.
Said wires fly unattached to the board, go wherever you like, and if you cross two or more of them, no big deal, they are not in the same plane and to boot can be made of insulated wire.
This important function can not be filled by parallel matching tracks.
4) if you want to put parts on the solder side, by all means do so, they can still be soldered to Vero tracks on the copper side, what´s the problem?
5) in fact, sometimes *I* build simple stuff all on the track side, NOT passing parts legs through holes, but by slightly bending ends and soldering on copper side.
The idea is to make minimum size boards, where space is at a premium (think active guitar electronics) and it´s a "single job" , not justifying me to design/draw/transfer/etch/drill just *one* board.
Still single sided, of course.
Or the track-less side can be glued or double side taped to a nearby panel without spacers or any special mounting hardware, board thickness bein enough insulation.

As you see, all this can be made with single sided Vero.
Many thanks for the extensive reply.

Indeed, it can be done on single sided veroboard, I am doing it now. But a board where I could access components from either side would make it easier and faster. Quoting from the link I posted earlier:
"Because these premium prototyping boards have copper on both sides, you can insert and solder components on both sides of the board. There have been numerous occasions when I’ve wanted a connector on one side and components and wires on the other side. On single-sided board, I’m stuck with snaking wires through the holes and back to the side with copper."

and because one can get double sided veroboards PCBs with single islands, I thought a version with traces should exist as well.

I think a picture would be worth a thousand words here - I am working now, but will post that picture later!