The new plastic fashioned into flexible pex pipe also known as pex tubing arrived in the us in the 1980s initially for radiant floor heating systems.
Using flex pipe in attic.
My contractor was disgusted when he saw the flex pipe.
You should know what is acceptable in your area.
There you have it.
This includes the main run up to the furnace in the attic as the house is 2 zone heat ac.
From what they ve taught me and my own research recent crash course it s a big deal in a few ways.
Flexible gas lines are safe so long as you have little lightning.
Sometimes the best route for a flexible duct run is up and over an obstruction.
A flexible gas line is made from thin wall stainless steel.
Lightning has caused many house fires that have flexible gas lines.
The flexible tubing is embedded in a.
Use pex pipe when running pipe from a slab to an attic use cross linked polyethylene tubing or pex instead of copper.
Because there are many temperature.
It s not durable like traditional black iron pipe.
Pex tubing is an easy to install alternative to copper pipe.
Long used in radiant heating systems flexible pex tubing is perfect for water supply lines because it s easy to run through walls and floors and simple to work with.
It was a great lesson.
Use flex duct for the straight runs and hardpipe everywhere else.
If you really can t bring yourself to buy those sheet metal elbows at least follow the air diffusion council standards.
To prevent problems use saddles or straps to support at regular intervals 4c 4d follow the manufacturer s instructions but in case they get lost here is a list of best practices for.
There has to be a shut off.
It costs more use the right methods.
Flexible connectors are permitted to connect appliances to the gas piping.
Pex is semi flexible which allows for long continuous runs through joists.
In other areas the use of copper is widespread.
However for all of the new runs they used that yellow flexible gas piping.
Galvanized steel is used in some areas as well.
Steel piping typically is black with malleable iron or steel fittings.
For a variety of reasons from pipe damage under a slab to home design constraints water pipes may need to be run or rerouted through a home s attic.
In your experience how safe resilient is flexible gas tubing.
The main reason we see so many bad installations is expense.
A lot of the original gas piping is still in the basement.
Not as durable as traditional black iron.
Articles like this one get me a bit concerned.
But without proper support ducts can develops sags or kinks that reduce airflow 4a 4b.