What is a UL rated wall?
The UL Certification Mark on fire resistant products, systems and assemblies is relied on by code enforcement officials and buyers to provide confidence that products and systems meet regulatory and market requirements. It is a key differentiator for products within the exterior wall assembly market.
What is the difference between a CT Stud and a CH stud?
ClarkDietrich C-T Cavity Shaftwall Studs are rigid high-performance members engineered to maintain shaftwall integrity. C-T Studs are designed for use with 1″ thick gypsum shaftliner panels. C-T Studs are friction-fitted between top and bottom J-Tabbed Track. Gypsum shaftliner panels are inserted into the stud flanges.
What are CH studs used for?
Studco® CH-Studs are designed for Shaftwall installations where access is only available outside of the shaft. These are used throughout the wall system, in conjunction with J-Track deflection head tracks and bottom J-Track.
How do you make a 2 hour fire rated wall?
Double the number of Type X sheets on the wall for a simple system installed over fire-resistant fiberglass insulation; each sheet of 5/8-inch Type X drywall is rated to resist fire for one hour, so two layers will produce a two-hour firewall. Put two sheets together on one side or use one sheet on each side of a wall.
What is UL fire protection?
A recognized leader in fire safety and certification, UL Solutions is a full-service provider of fire safety testing and certification services for stakeholders around the world.
What does UL mean in construction?
Underwriters’ Laboratories
Underwriters’ Laboratories, or UL as it is universally known, tests and evaluates components and products that allows a certification mark to be placed by the manufacturer.
What is considered a fire rated wall?
Fire Wall – A fire-resistance-rated wall having protected openings, which restricts the spread of fire and extends continuously from the foundation to or through the roof, with sufficient structural stability under fire conditions to allow collapse of construction on either side without collapse of the wall.
What is Ch metal stud?
What is a CH metal stud?
Steeler Shaftwall Studs (also known as C-H Studs) can be easily combined with J Track to craft economical yet tough shaftwall systems. With a fire rating of up to 2 hours, Steeler C-H Studs are UL certified for Fire Resistance Rating, meaning peace-of-mind for designers and elevated safety for occupants.
How thick is a 2-hour fire-rated wall?
A 2-hour rating can be achieved by a wall with an equivalent thickness of as little as 3 1/5 inches when expanded slag or pumice is used or 4 1/2 inches when siliceous gravel is used as the aggregate.
How many layers of drywall do you need for a 2-hour fire rating?
two layers
As 2 hours of fire protection has become the standard for fire safety in America, it has become somewhat of a standard practice to include two layers of type X drywall within a building’s perimeter in order to achieve this required level of fire safety.
What is required for a 2 hour fire rated wall?