GRB101 Rooftop Block Support

Single base, with channel

Our most popular roofblock, the GRB101 model takes our base model G-STRUT® 100 heavy-duty base and adds a metal framing channel, making it simple to install rooftop strut channel systems. Simple, versatile, and strong, the GRB101 is part of the G-STRUT® 100 Series of Rooftop Support Blocks, a customizable solution to your project's rooftop support needs. Need more help? Call a member of the team at Gregory Strut for more information on our high visibility, weather-resistant GRB101 blocks.

GRB101
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Setting up rooftop loads is easier than ever with the GRB101, because the channel is built right in. The galvanized steel strut uses standard fittings and clamps, while the 100% recycled rubber tire base block is compatible with most rooftop materials. Plus, vibrations are dampened, reducing damage to your roof as well as decreasing sound.

  • Single base with attached strut channel
  • 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
  • Base length: 9 3/4”
  • Base width: 5 1/2”
  • Base height: 4”
  • Channel width: 1 3/4”
  • Height: 4 13/16” (to top of the strut)
  • Materials: 100% recycled rubber base, pre-galvanized steel channel
  • Safety: Green reflector for high visibility
  • Weight: 5.3 lbs
  • Static load capacity: 500 lbs.
  • Ordering: 352 per skid
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Find a Distributor

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.

Roof Blocks
G-STRUT® Rooftop Support Blocks

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