Spunbonded nonwoven continuous filament polypropylene geotextile provides the strongest, drainable separator for any project. Both SF20 and SF40 resists ultraviolet and biological deterioration, rotting, naturally encountered basics and acids. Polypropylene is stable within a pH range of 2 to 13.
SF 20 for Patios and Walkways
SF 40 for Driveways
Roll Sizes:
4′ x 300′ (1200 sf)
6.25′ x 300′ (1875 sf)
PROPERTY | ASTM TEST | SF 20 | SF 40 |
---|---|---|---|
Grab Tensile (lbs) | D 4632 | 60 | 130 |
Elongation (%) | D 4632 | >50 | >50 |
Trapezoid Tear (lbs) | D 4533 | 25 | 60 |
Puncture (lbs) | D 4833 | 18 | 41 |
Mullen Burst (psi) | D 3786 | 60 | 140 |
AOS (US sieve no.) | D 4751 | 30 | 70 |
Permittivity (sec -1) | D 4491 | 2.0 | 0.8 |
Permeability (cm/sec) | D 4491 | .07 | .04 |
Water Flow (gal/min/sf) | D 4491 | 150 | 60 |
UV Stability (%) | D 4355 | - | 70 |