Can You Use Pex Under Concrete Floor

For example by increasing the flow through 1 2 pex tubing by only 0 1 gpm floor output will increase at 5 btu sq.

Can you use pex under concrete floor. Concrete slab use a tubing with a higher burst pressure for greater durability. In the past i have always gone with copper however given the design of this new washroom it s under a porch and the walls are 16 thick stone walls from 1922 it would seem to be advantageous to bury the water lines under the floor slab. With 1 2 tubing a 6 pattern is sometimes used in smaller spaces such as bathrooms and for extreme cold climates while 8 and 9 patterns are standard for most living areas in most climates and a 12. Yes pex pipe can be installed under a concrete slab.

Install pex tubing before pouring a concrete slab for the home or install it when using plywood as a subfloor. Hydronic systems circulate heated water through pex tubing that winds under the floor. Radiant floor company s pex tubing has a dimensional mark every 5 feet so that you ll know the length position you are at that point in the. If pex tubing is damaged test gage will display a pressure drop and bubbles will burst form where the leak is making it easy to identify the location.

Then later while laying out your circuits and after your wide comfortable bend you can begin spacing the tubing roughly 16 on center on the straight away s 8 on center for 1 2 pex. Basic materials for radiant floor heat installation in a. Thin slab or sleeper system use a tubing with greater flexibility. Floor is out i was thinking to run pex lines.

The concrete can then be finished in a normal way. Municipal water use a tubing with a higher chlorine resistance. Under floor installation staple up use a pex tubing a low friction layer or aluminum core pap to minimize noise. Quite simply concrete floor radiant heat is a system of pex tubes that carry hot water throughout a concrete floor or slab.

Since pex pipe is supplied in coils installation can be completed in one continuous length without the need for extra fittings.