What is the difference between one hour fire rated drywall and three hour fire rated drywall and where would each one be used.
Fire rated drywall.
Type x drywall is 5 8 inches thick.
Type c fire rated drywall has more glass fiber reinforcement and other ingredients in the gypsum core that makes its fire resistive properties superior to type x.
And it s not just thickness.
Has a minimum fire rating for the assembly of 1 hour which is a typical requirement for many building codes.
In addition to the usual gypsum found in regular drywall fire rated drywall contains glass fibers to form a super tough core.
The 5 8 inch fire code drywall called type x increases a wall s fire rating to a minimum of 1 hour from the 30 minute rating for standard inch drywall.
According to the engineered wood association a one hour rating indicates that a wall constructed in a manner similar to the one tested will contain flames and high temperatures and support its full load for at least one hour after the fire begins.
Steve miller sylvan lake mi.
Fire resistant drywall is thicker and denser than standard drywall.
Or 3 5 8 inch 610 mm steel studs spaced 24 o c.
Drywall thickness drywall thickness ranges from 1 4 inch to 5 8 inch with each serving a different purpose.
Finally the gypsum and fiberglass are packed tighter and denser than with regular drywall.
Type x fire rated gypsum drywall that is 5 8 inch 15 9mm thick and installed on each side of nominal 2 inch x 4 inch 38x89mm wood studs spaced 16 inch 400mm o c.
Get free shipping on qualified fire resistant drywall sheets or buy online pick up in store today in the building materials department.
Fire resistance ratings are expressed in the number of minutes or hours a structure can withstand a fire simulation test.
These wall assembly files are used for planning and estimation purposes for many ul wall types such as fire rated wall assemblies.
I d certainly pay a premium over standard drywall to have a more fire resistant structure.
Type c fire rated drywall sometimes referred to as improved.
A 60 minute fire rating is a measure of the amount.
Drywall typically comes in 1 4 inch 3 8 inch and 1 2 inch thicknesses.
Get free shipping on qualified fire resistant drywall or buy online pick up in store today in the building materials department.
These listings are short summaries to serve as a.