Rubber Rooftop Support Block

The GRB101 model takes the 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 rooftop support needs. 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