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SHEETROCK® Glass-Mat Liner Panels

SHEETROCK® Glass-Mat Liner panels feature a non-combustible, moisture and mould resistant gypsum core encased in moisture and mould resistant glass mats. They offer a 12-month exposure warranty, and they can be used in any fire-rated Cavity Shaft Wall and Gypsum Fire Wall System assembly where regular SHEETROCK gypsum liner panels are specified. All SHEETROCK liner panels are designed and tested for use with SHEETROCK Cavity Shaft Wall and CGC Gypsum Fire Wall System steel framing components. Product substitutions are not recommended and are not supported by CGC.

The 1" x 24" panels feature double-bevelled edges that allow for easy installation. They are available in 8-, 10- and 12-foot standard lengths. Other lengths available by special order.

The panels comply with C1396, CAN/ULC S114 (non-combustible core). and CAN/ULC S102 (flame spread 20, smoke developed 0). They are ULC listed and CUL classified as to fire resistance (Type SLX), surface burning characteristics and non-combustibility. In independent lab tests conducted on SHEETROCK Glass-Mat Liner panels at the time of manufacture, per ASTM D3273, "Standard Test Method for Resistance to Growth of Mould on the Surface of Interior Coatings in an Environmental Chamber," the panels achieved a score of 10, with 10 being the optimal rating.

 Features & Benefits:

  • Mould Resistant- High resistance to mould and mildew.
  • Resists Water: Glass-mat sheathing facer on both sides sheds water.
  • Quick, Dry Installation: Quick score-and-snap, no sawing or special tools.
  • Exposure: Can be exposed to weather for up to 12 months after application.
  • Warrantied Performance: SHEETROCK Brand Glass-Mat Liner Panel is guaranteed for five years against manufacturing defects and has a 12-month limited-exposure warranty.


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