ALFDRAIN SALT BARRIER is a specifically developed capillary breaker to resist the rise of salty ground water to the imported top soil layer in landscaped/hardscaped areas and in the base course layers of paved roads.
The product consists of a HDPE biplanar net core which is heat laminated on both sides to a purpose designed hydrophobic thermally bonded nonwoven geotextile.
ALFDRAIN cores are extruded using virgin polymers from SABIC and laminated online in one step process that ensures assured quality and durability of the geocomposites. ALFDRAIN cores have been certified by independent laboratories to comply with minimum 100 years service life.
APPLICATION AREAS: Capillary break layer for landscaping and under pavement courses in hot and arid climates underlain with salty ground water.
Grades: SB4-D285 – for landscaping & hardscaping
SB6-D305 –as capillary break layer under pavement construction