Lomanco BIB12B Rigid Spider Turbine Aluminum Ventilator, Black Goggles Can be used with fiberglass

Can be used with fiberglass cloth or mat if additional strength is needed

SBS modified and metal roofs

2 ounce scoop provided in container

Stall Fork

Anchor-down - flat head

Lomanco BIB12B Rigid Spider Turbine Aluminum Ventilator, Black Goggles Can be used with fiberglassHighlights: Type: Rigid Spider Air Veocity: 110 Mph Material: Aluminum Vent Hole Size: 12" Base Size: 20" x 20" Standards: TDI, Miami Dade County Approved Special Features: 12 12 Roof Pitch, 302 Stainless Steel Ball Usage: for residential use only Forever guarantee residential use only Approved for all tile and slate roof construction Permanently lubricated upper and lower ball bearings that ensure long life and no maintenance All aluminium rust free