What is a necessary precaution when installing gas piping through walls?

When installing gas piping through walls, encasing the piping in a protective pipe sleeve is crucial for several reasons. This practice helps to safeguard the gas line against potential damage from physical impact, environmental factors, or exposure to moisture. The sleeve also provides a means to prevent corrosion on the pipe from contact with the wall material, which can degrade the integrity of the gas line over time.

Additionally, the protective sleeve allows for any movement of the building structure without transferring stress directly onto the gas piping, thus minimizing the risk of leaks. This is important for maintaining safety standards in gas installations. Properly protecting the gas line during installation is essential to ensure long-term functionality and safety in compliance with relevant building codes and regulations.

While other options like using thicker piping or welding joints can be relevant in certain contexts, they do not specifically address the protective measures needed when penetrating walls. Encasing the piping in a protective sleeve is the most effective and recognized precaution to mitigate risks associated with gas piping installations.