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CGC Securock Sheathing CGC Securock Sheathing
Last Modified: 2017-12-06

CGC Securock Sheathing


High-performing, lightweight sheathing that's designed to give your productivity a boost.


Available in 12.7 mm (1/2 in.) and 15.9 mm ( 5/8 in.) thicknesses, CGC Securock® Brand UltraLight Glass-Mat Sheathing is a lightweight, noncombustible, moisture- and mould-resistant panel designed for use under exterior cladding where conventional gypsum sheathing products have traditionally been used. Formulated to achieve all the strength and performance characteristics as standard CGC Securock® Glass-Mat Sheathing at a significantly reduced weight, these panels are warranted for up to 12 months after application.

CGC Securock Sheathing

The lightest 1/2 in. and 5/8 in. glass-mat sheathing available up to 15% lighter than other glass-mat sheathings Improved coated fiberglass facer mat to maximize coverage of air/water barrier systems Treated gypsum core, combined with fiberglass face and back, offers exceptional water resistance Score and snap easily for quick installation For use in most exterior systems when properly detailed by exterior finish manufacturer GREENGUARD Gold certified and qualifies as a low VOC emitting material (meets CA 01350) Meet or exceed the requirements of ASTM C1177