Model A1 Specification
Product construction, dimensions, materials, installation considerations, and performance information.
Request current specification →Technical Resources
Specifications, approvals, and project documentation.
Use this page as the central location for current Ninety7® Model A1 technical information.
CAD Details
Typical layout and installation details for slopes, channels, perimeter control, and inlet protection.
Request CAD details →Qualified Materials
Current agency qualification and approval documentation for project submittals.
Request approval documents →Agency Status
Approved by multiple state agencies.
ALDOTQualified Materials documentation
TDOTQualified Products documentation
GSWCCApproved erosion-control product documentation
Preparing a product submittal?
GMG can help identify the current documents needed for your project.