Fire-resistant drywall costs 50% more than regular drywall. Fire- rated drywall can slow the spread of fire, but it cannot prevent fires from starting. Type c fire-rated drywall can resist burning for up to four hours. Different types of drywall resist burning for different periods. · before diving into drywall types, you need to know what a “fire rating ” means. · just how much fire- resistance does fire-rated drywall provide? All drywall contains fire- resistant materials. · drywall fire rating requirements vary by room and location. Type x gypsum wallboard, 5/8 in thickness (5/8 type x wallboard), is manufactured for use as one component of an assembly/system (such as a wall) where a fire resistance rating is required in a residential, commercial, or other structure by an applicable building code. · while fire- rated drywall can enhance fire resistance in specific instances, it is not a standalone solution for comprehensive home fire safety. · in this guide, we’ll break down everything you need to know about the fire resistance rating of drywall , how to tell if you need fire-rated drywall , and whether it’s worth the investment for your home. A regular drywall panel typically offers up to 1 hour of fire resistance , but fire-rated drywall can provide up to 4 hours, depending on the type of drywall and its fire rating classification. · fire- rated assemblies constructed with gypsum board or drywall are a key component to ensuring life safety and complying with applicable building codes in both residential and commercial construction. These ratings come from tested assemblies—not just the drywall panel itself. A fire rating tells you how long a wall or ceiling system can withstand fire before failing. The gypsum board used in fire- rated assemblies is usually described as either type x or type c.
