Rooftop Support Blocks

Rooftop Support BlocksMade from 100% recycled tires and pre-galvanized steel, these heavy-duty rooftop supports are built for long-lasting performance. Customize your system for a variety of applications, including gas, solar, HVAC systems, electrical conduit, roof walkways and more.

G-STRUT Rooftop Support Blocks feature innovative designs that are compatible with most rooftop materials and resistant to floating and shifting. Weatherproof materials inhibit damage due to freezing and thawing, and green reflectors enhance safety and visibility.

Explore the sizes and configurations available through Gregory Strut, or contact a member of our team today to discuss your needs.

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G-STRUT Rooftop Support Blocks

Environmentally friendly
Made from 100% recycled tires
Durable & resilient
Built for continuous outdoor use
  • Pre-assembled at factory
  • 14 gauge, 13/16" pre-galvanized steel channel
  • Uses standard strut fittings and clamps
  • 100% recycled rubber block
  • UV resistant materials
  • Green reflector for high visibility and safety
  • Innovative design inhibits floating and shifting
  • Freeze and thaw resistant
  • LEED certifiable product
  • Vibration dampening
  • Compatible with most rooftop materials
  • Gas pipes
  • Solar
  • Cable tray systems
  • HVAC/refrigeration
  • Pipe form systems
  • Roof walkways and platform systems
  • Pre-galvanized steel, G-90 (ASTM A-653)
  • Hot-dipped galvanized (ASTM A-123)
  • Stainless steel, grades 304 and 316 (ASTM A-240)
  • Aluminum (ASTM B-221)
  • Powder coated green (ASTM D-523-85, D-33693-74, D-2794-84, D-3359-83, D-522-93a)
  • PVC coated black
  • Standard: G134 (13/16" x 1 5/8", 14 gauge)
  • Other channel sizes and configurations:
    • G132 (13/16" x 1 5/8", 12 gauge)
    • G582 (1 5/8" x 1 5/8", 12 gauge)
    • G712 (2 7/16" x 1 5/8", 12 gauge)
    • G812 (3 1/4" x 1 5/8" 12 gauge)
    • G582A (3 1/4" x 1 5/8", 12 gauge, back-to-back welded 1 5/8" channels)

100 Series - Standard Roof Block and Channel

GRB100

GRB100

9.8" single base, no channel

GRB101

GRB101

9.8" single base, with channel

GRB102

GRB102

20" system with 2 bases

GRB103

GRB103

30" system with 3 bases

GRB104

GRB104

40" system with 4 bases

 

200 Series - Riser Rod Platform with Strut and Load Distribution Plate (LDP)

GRB208

GRB208

9.8" channel with 8" riser rod

GRB212

GRB212

9.8" channel with 12" riser rod

GRB216

GRB216

9.8" channel with 16" riser rod

 

300 Series - Roller Stand Block

300 Series
GRB3100 1" roller stand on roof block
GRB3125 1 1/4" roller stand on roof block
GRB3150 1 1/2" roller stand on roof block
GRB3200 2" roller stand on roof block
GRB3250 2 1/2" roller stand on roof block
GRB3300 3" roller stand on roof block
GRB3350 3 1/2" roller stand on roof block
GRB3400 4" roller stand on roof block
GRB3500 5" roller stand on roof block
GRB3600 6" roller stand on roof block

Ready to partner with us?

Contact our Vice President of Gregory Strut, Bob Porter

Request a Quote