Should i cut the floor and wall to get a better idea of what is in there?
How To Move Water Pipes From Floor To Wall. What causes pipes to break? How home plumbing water pipes if you've ever seen water gushing from a fire hydrant, you have some idea of the pressure moving.
bathroom - How can I move sink supply lines from the floor ... from i.stack.imgur.com
This could just as easily be a box fixed between the wall and the floor if your pipes are running. Watch this video for tips on how to insulate water pipes and keep them from freezing during cold winter weather. Increasing the pipe diameter won't change the static pressure (the pressure when no water is flowing).
It is also important to check for any cracks or openings it is a good idea to maintain a faucet dripping, allowing the water to move freely and continuously, preventing it from freezing.
This could just as easily be a box fixed between the wall and the floor if your pipes are running. Here's what you need to know to keep your pipes from freezing. Unfortunately, water pipes (usually metal or plastic) don't. Pipes can be run underneath a floor or fixture that is especially hard to move or expensive to replace, such as cabinets, tile flooring or a bathtub.