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GRB3400 Roller Stand Block

Rooftop support block with 4” roller stand

The GRB300 series of G-STRUT rooftop support blocks makes supporting pipe applications. Simple, innovative design inhibits damage to roof membrane with G-STRUT's recycled truck tire rubber bases — they’re compatible with nearly any roofing material. And the attached roller stands are available in a wide range of sizes to suit your project.

Reach out and let the team at Gregory Strut help you discover how the GRB300 series can support your project.

GRB300 Series
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The 4” roller stand of the GRB3400 model supports insulated and uninsulated pipes for multiple rooftop applications. The included strut channel is 14-gauge steel; combined with the environmentally friendly, recycled rubber base, the entire unit is weather- and corrosion-resistant, so you can confidently install for continuous outdoor use.

  • Single base block with strut and roller stand
  • Pre-assembled at the factory
  • 14 gauge, 13/16” pre-galvanized steel channel
  • Compatible with standard strut channel fittings and clamps
  • 100% recycled rubber block
  • UV-resistant materials
  • Green high-visibility reflectors for safety
  • Innovative design inhibits floating and shifting
  • Freeze and thaw resistant
  • LEED certifiable product
  • Vibration dampening
  • Compatible with most rooftop materials
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GRB3400

  • Base length: 9 3/4”
  • Base width: 5 1/2”
  • Base height: 4”
  • Height to top of strut: 4 13/16”
  • Channel width: 1 3/4”
  • Channel length: 9 1/2
  • 4” roller stand
  • Materials: 100% recycled rubber base, pre-galvanized steel channel
  • Safety: Green reflector for high visibility
  • Weight: 5-10 lbs
  • Static load capacity: 500 lbs.
  • Ordering: 300-400 per skid
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If you would like to get started with G-STRUT® Rooftop Support Blocks, reach out to one of our trusted distributors today.

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Have a Question?

Contact our Vice President of Gregory Strut, Bob Porter, to discuss your project questions, goals and requirements.

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G-STRUT® Rooftop Support Blocks

Explore our complete line of 100% recycled, LEED certifiable rooftop support blocks and strut channel solutions.