Manufacturer and supplier of roof products and accessories for the metal building industry since 1964

GrateSafe® for Standing Seam

GrateSafe® Standing Seam Metal Roof Walkways

CSI Division 07-7246 Safe Rooftop Walk Products & Handrail

GrateSafe® Standing Seam Metal Roof Walkways provide safe access to rooftop equipment while eliminating damage to roof panels from foot traffic. Attaches with S-5! Clamps that do not penetrate the standing seam roof panels. System features 18 GA galvanized steel planks, pierced and punched for a sturdy, anti-skid surface. Planks are 12″ wide x 10′ long and interlock so walkways can install in various widths. In addition, optional OSHA-compliant handrail and toe kick integrate seamlessly. The GrateSafe® walkway system ships complete and is compatible with any standing seam roof. Orders include CAD drawing with support locations, roof attachments and overall walkway layout.

View other products in this category, including Roof Access Hatches, Ladders, Powered Roof Fans and Skylight Fall Screens.

  • Description
  • Model Guide
  • Sizes and Weights
  • Documents
  • Certification

GrateSafe™ Metal Rooftop Walkway System Specifications

Planking Material 18 GA Steel – 10′ Long, 1′ wide, 2-1/2″ high
Pierced and punched anti-skid surface
Interlocking plank system provides for walkway widths in 12″ increments
Supports 14 GA Galvanized Steel Hat/M-Channels
14 GA Plank Splice Plates
14 GA Plank Ledgers (Directional Changes)
14 GA Doubler Bracket for Handrail Base Fittings
14 GA Elevated ridge condition crossings
Handrail Fittings Kee Klamp® iron cast fittings manufactured to the requirements of ASTM A47-77-32510. Hex set screws firmly lock the pipe into the fitting. Set screws are manufactured in case hardened steel and are protected against corrosion by Kee Koat®.
Handrail Pipe Schedule 40 Galvanized Pipe
Nominal pipe size 1.66” O.D. and 0.140” nominal wall thickness
Mounting Hardware M-Washers with long-life fasteners secure planks to supports
S-5! Clamps secure supports/planking to roof panel (no panel penetrations)
Bolts/nuts supplied for all handrail fittings & planks
Finish Options Galvanized, Powder Coat, Kynar
Certifications Engineering calcs, stamped submittals (additional costs apply)
Warranty 1 Year


Toe Kick 14 GA Toe Kick – 6″ high
Access Gate Swinging access gate for entry point(s)
Cross-overs Cross-over stairs for pipe crossings or other obstructions
Pitch-Correction For perpendicular rooftop walkway runs
HVAC perimeter access service platform
Mechanical mounting platforms

GrateSafe™ Metal Rooftop Walkway System Model Guide

Provide roof panel make, model, seam spacing and pitch when requesting quote. Include Rooftop Walkway System layout plan when available.

Model W Panel Type Seam Spacing Finish Options (add all that apply)
  • SSR: Trapezoidal Standing Seam Roof
  • VSSR: Vertical Standing Seam Roof
  • 16
  • 18
  • 24
  • 42
  • User Defined
  • M: Mill
  • P: Powder Coat
  • K: Kynar


  • TK: Toe Kick
  • HR1: Handrail one side
  • HR2: Handrail two sides
  • PC: Pitch correction (perpendicular runs only)


RW-24SSR-24-M-HR1: 24″ wide walkway on a trapezoidal Standing Seam Roof, mill finish and handrail on one side.

Model Description LBS / Lineal Foot
RW-24 24″ Wide Walkway 13 LBS / LF
RW-24-HR1 24″ Wide Walkway w/ Handrail on One Side 23 LBS / LF
RW-24-HR2 24″ Wide Walkway w/ Handrail on Two Sides 33 LBS / LF
RW-36 36″ Wide Walkway 15 LBS / LF
RW-36-HR1 36″ Wide Walkway w/ Handrail on One Side 25 LBS / LF
RW-36-HR2 36″ Wide Walkway w/ Handrail on Two Sides 35 LBS / LF
RW-48 48″ Wide Walkway 17 LBS / LF
RW-48-HR1 48″ Wide Walkway w/ Handrail on One Side 27 LBS / LF
RW-48-HR2 48″ Wide Walkway w/ Handrail on Two Sides 37 LBS / LF


Model Model Submittal Specifications Installation Warranty
24″ Wide GrateSafe Walkway RW-24SSR PDF WORD PDF PDF
24″ Wide Walkway w/ Handrail RW-24SSR-HR PDF WORD PDF PDF
36″ Wide Walkway RW-36 PDF WORD PDF PDF
36″ Wide Walkway w/ Handrail RW-36-HR PDF WORD PDF PDF
Perimeter Handrail System PHR PDF WORD
Plank Detail PLK PDF WORD

Engineering calcs, stamped submittals available upon request (additional costs apply)

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