BM-GRP-V30 Heavy-Duty GRP Mushroom Roof Air Vent Cowl

Ensure optimal ventilation and passive pressure relief in industrial, chemical, and commercial structures with the BM-GRP-V30 Heavy-Duty GRP Mushroom Roof Air Vent Cowl. Precision-molded from premium Glass Reinforced Plastic (GRP / Fiberglass), this weatherproof mushroom-style cowl features a domed protective cap that prevents rain ingress, debris, and bird entry while permitting continuous upward and radial airflow. Built on a rigid vertical standpipe with an integrated, pre-molded rectangular mounting base, it delivers seamless leak-proof installation on flat roofs, water tanks, and underground utility shafts. Its non-corrosive composite build provides exceptional resistance against harsh UV radiation, extreme thermal conditions, chemical fumes, and coastal environments.

Specifications

• Model Code: BM-GRP-V30

• Type: GRP mushroom-head roof exhaust vent / air relief cowl

• Material Composition: Premium Glass Reinforced Plastic (GRP / FRP / Fiberglass) with UV-stabilized gel-coat finish

• Design Features: Protective hemispherical rain cowl hood, vertical air shaft pipe, and integrated flange mounting base plate

• Weather Resistance: 100% waterproof, corrosion-resistant, rustproof, and chemical fume resistant

• Mounting Type: Flat-surface flange plate for direct roof slab, membrane, or tank deck mounting

• Maintenance: Zero maintenance required; smooth non-porous exterior resists dirt build-up

• Finish: Matte Industrial Light Grey powder/gel-coat finish

• Application: Ideal for GRP water storage tanks, industrial roof ventilation, pump stations, chemical storage facilities, substations, and underground utility shaft venting