Rock-Vent Class A Roof Support

The Rock-Vent Class A Roof Support is designed to provide support for the chimney pipe at the roof line. Easily adjusts to any roof pitch and fits Rock-Vent pipe diameters of 5" to 8". Constructed with a stainless steel band with galvanized mounting brackets. Use the Roof Support to extend Class A chimney pipe below a cathedral ceiling, when exceeding the weight limit of the primary support, above an offset, or to provide additional stability to any installation. A roof support bracket can support up to a total of 45 feet of Rock-Vent Class-A Chimney Pipe, and no more than 20 feet below the roof support bracket. Note: Do not mount Roof Support Bracket to sheathing only. Measurement Chart: Class A Roof Support 5” 6” 7” 8” A 7.5” 8.5” 9.5” 10.5” B 4” 4” 4” 4” C 6.125” 6.125” 6.125” 6.125” YY 3” 3” 3” 3” *Due to many variables beyond our control, the installer should check actual parts for final dimensions.