Dormer Vent in the 9" x 18" retrofit half round dormer vent with soft zinc hood configuration. Match the model, opening and flange style to your installation. Designed to help resist ember entry while supporting ventilation.
- Model: VDHR918R
- Configuration: 9" x 18" Retrofit Half Round Dormer Vent with Soft Zinc Hood
- Sold as: 1 individual item
- Item weight: 4 lb each (excludes packaging)
- NFVA: 51 sq in
NFVA means net free ventilation area: the open area available for airflow, measured in square inches. It is not a fire-resistance rating.
Representative manufacturer image; size, flange and finish may vary. Use the model and specifications above when ordering.
Vulcan VDHR918R | 9" X 18" Retrofit Half Round Dormer Vent With Soft Zinc Hood
$111.14
Materials
Aluminum honeycomb core with heat-reactive intumescent coating and stainless-steel ember mesh. Soft-zinc retrofit hood.
Dimensions
Nominal product size: 9 x 18 in. Verify finished flange dimensions before installation.
Care information
Inspect and clear debris from vents regularly. Keep mesh clear of paint overspray and follow the instructions for the vent and wall or roof assembly.







































































