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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.

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Product Details

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

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