A thermally bonded non-woven needle punched geotextile.
SURFASEAL Bentomax CS is a sodium-bentonite granulated powder composite waterproofing membrane, designed for use in both vertically and horizontally applications in below-ground reinforced concrete structures.
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SURFASEAL Bentomax CS consists of a bed of sodium-bentonite granulated powder encapsulated between a mechanically bonded non-woven geotextile and a woven geotextile with an additional black polyethylene sheet bonded on the back.
Key Features & Benefits
Specification Tip for Design Professionals:
SURFASEAL Bentomax CS may be specified by name or by using the following description: a propriety waterproofing membrane consisting of sodium-bentonite granulated powder encapsulated between a mechanically bonded non-woven geotextile and a woven geotextile with an additional black polyethylene sheet bonded on the back.
*In applications where radon/ methane or CO2 resistance is required SURFASEAL Bentomax CS will act as barrier, against these ground gases, when installed in accordance with BRE Report 414 the membrane will be compliant with the recommendations made in CIRIA C665 : 2007 Assessing risks posed by hazardous ground gases to building, BS 8485 : 2015, BRE Reports 211 & 212 and NHBC Standards. Guidance is given in the Ground Gas Handbook, 2009 and the manufacturer’s technical literature.
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