pipework before sub floor

[markyyyyyy]

Hi,

I've ripped out my floor to level the joists and at the same time i am moving a radiator in bedroom and installing new bathroom - stud wall exposed in bathroom and joists exposed in both rooms at the moment.

I plan on installing the chipboard floor this weekend. In the bathroom i will sort out the hot\cold supply by running it through the stud wall to the shower\sink\toilet area. but wanted to ask:

For the toilet supply and radiator pipes coming out of the floor, do you connect the vertical pipe coming from the elbow under floor into the bottom of radiator first, and then drill a hole in the chipboard, then slot it over the pipe, and then tighten it up on the rad / toilet cistern valve?

cheers

 

[Deleted member 174758]

Drill the smallest hole possible thread the pipe through fix floor then add the connectors.

 

[polesapart]

Or pipe first, offer board, drill hole say 20mm for 15mm pipe, cut out notch to edge of board, fit board, glue notched cutout in.

With sheet flooring this may avoid an extra cut and having to support the cut edges.

 

[Madrab]

Depends really on where the joist is etc. I'd normally do each one by it's specific situation and what may be on top of it as the finished floor surface and what access there is.