What is the maximum temperature allowed from a constant heat source behind drywall?

The maximum temperature allowed from a constant heat source behind drywall is 125°. This regulation is essential for ensuring the safety and integrity of the building materials. When heat sources exceed this temperature, there is a risk of damaging the drywall, which can compromise its structural integrity and potentially lead to fire hazards.

Drywall is made primarily of gypsum, which is sensitive to temperature changes. Exposing it to high temperatures can cause the material to lose strength, warp, or even crack. Moreover, maintaining the temperature at or below this threshold helps preserve fire-resistant properties, preventing the drywall from becoming an ignition point.

In building codes and safety standards, such regulations are in place to protect both occupants and structural elements within the building. Adhering to the 125° limit is crucial for minimizing the risks associated with heat sources, such as electrical wiring or heating systems, and supporting overall fire safety.