Make holes along floor joists

[jackass]

I need to make a hole between two joists in an existing floor to run ventilation pipes. I will then close up the floor and lay click flooring on top. I'm wondering how to best solve this. Do I need joists to nail into, does it work to screw say 70*45 into the old joists lengthwise or should I install between the joists and lay, for example, chipboard on these? It doesn't need to look good, just work without flexing/creaking.

 

[jackass]

No one who has had to make similar interventions before? Then I think I'll try to sort of widen the existing rule by screwing a new one along with it. Should be good enough...

 

[injonil]

It all depends on what measurements it is about, and you haven't written that.

 

[jackass]

The studs are placed cc60 and it's a 28/90 tongue and groove wooden floor. Need to cover approximately 2.5m.

 

[Janus82]

If it's a jointed wooden floor, the easiest way is probably to tear up as many boards as needed using a spikutdragare, pull the pipes that need to be pulled, and finally screw back the boards you lifted.

 

[injonil]

Sry, I misunderstood the question, thought the pipes would be run through floor joists

 

[cecar33]

If you then get short edges hanging in the air, you kotlar there. But the easiest way is to take the circular saw and run along the joists 1 cm away so that you can easily glue a 45x70-95 along the beams and the height will be below the ends, pull a clamp and screw, then put back the cut-off piece after installation.