AASHTO M288 Geotextiles

American Association of State Highway and Transportation Officials (AASHTO) provides geotextile requirements for all categories:

  • Subsurface Drainage
  • Separation
  • Stabilization
  • Permanent Erosion Control
  • Paving Fabric
  • Subgrade Enhanced
  • Temporary Silt Fence
AASHTO M288-21 Product Selection Guide
Application Class 1 Class 2 Class 3
Woven Nonwoven Woven Nonwoven Woven Nonwoven
Elongation < 50% Elongation ≥ 50% Elongation < 50% Elongation ≥ 50% Elongation < 50% Elongation ≥ 50%
Subsurface Drainage
% Fines
< 15% EP-404
NTPEP Listed
N08
NTPEP Listed
EP-404
NTPEP Listed
N06
NTPEP Listed
EP-12
NTPEP Listed
N04.5
NTPEP Listed
15% to 50% N/A EP
NTPEP Listed
EP
NTPEP Listed
> 50% N/A
Separation HD
NTPEP Listed
N08
NTPEP Listed
HD
NTPEP Listed
N06
NTPEP Listed
GS
NTPEP Listed
N04.5
NTPEP Listed
Stabilization HD
NTPEP Listed
N08
NTPEP Listed
HD
NTPEP Listed
HD
NTPEP Listed
GS
NTPEP Listed
N04.5
NTPEP Listed
Permanent Erosion Control
% Fines
< 15% EP-404
NTPEP Listed
N08
NTPEP Listed
EP-404
NTPEP Listed
N06
NTPEP Listed
EP-404
NTPEP Listed
N04.5
NTPEP Listed
15% to 50% N/A EP
NTPEP Listed
EP
NTPEP Listed
> 50% N/A
Paving Fabric Type 2 OLI
NTPEP Listed
Subgrade Stabilization Class 4 4A 4B 4C 4D
Woven Geogrid
HPG-57,HM-58
NTPEP Listed
SX3030 SX2020,RX1200 SX1515,RX1100
Temporary Silt Fence Supported Non-Supported
Woven Woven Nonwoven
Elongation < 50% Elongation < 50% Elongation ≥ 50%
SF-90
NTPEP Listed
SF-D
NTPEP Listed
N06
NTPEP Listed