FlintEDGE® Drain Through Gravel Stop is custom sized to meet your special requirements. Designed with internal straps for smooth, clean lines and ease of installation. External hangers are optional.

Technical Information

The Drain Through Gravel Stop is formed from .032" (0.80 mm), .040" (1.00 mm), and .050" (1.25 mm) aluminum. The sections are 10'-0" (3048 mm) in length with a 4" long concealed splice at each joint. Standard face size is 3-3/4" (95.25 mm). Slotted fastener holes on the deck flange make for easy installation and allow for expansion. Flow rate is calculated to be 267 gallons per hour per foot of gravel stop.


For detailed installation instructions, including diagrams, please refer to the installation guide.

Warranty Details

CertainTeed offers four low-slope roof system warranty options: Limited Warranty on Materials, Limited Warranty on Systems, No Dollar Limit (NDL) Limited Warranty and Full System NDL Limited Warranty.  CertainTeed warranty durations are based on a combination of system specification and product selection.  Please download an overview of these warranty options for details. Consult with your contractor or CertainTeed Territory Manager to determine which warranty is best for your project.     

CertainTeed offers standard low-slope roof system warranty durations between ten and twenty-five years.  Additionally, Gold Star Contractors can increase warranty durations by 25% by engaging in an Integrity Maintenance Agreement with their client.  

Commercial Roofing Contractors

See All Contractors near You
Get Started