Provides ventilation for a crawl space or compatible foundation opening while helping resist ember intrusion through the building envelope.
- Manufacturer model: FV2021-FB
- Nominal size: 14 x 8 inches
- Sold individually: one vent or component
- Configuration: Flange Back
- Manufacturer unit weight: 3.5 lb
- Special-order configuration; allow for manufacturer availability.
Manufacturer specification drawing
Nominal dimensions identify the model and may differ from the finished flange dimensions or required cutout. Verify the opening, flange and installation requirements before ordering. NFVA is the effective open area available for airflow; it is not a fire-resistance rating.
Manufacturer images show the product family or a representative installation. Size, flange and finish follow the model specified in this listing.
BrandGuard FV2021-FB | 14 x 8 in Foundation Vent — Flange Back
$78.00
Materials
Standard construction: 26-gauge G90 hot-dip galvanized steel. Confirm material and finish for custom orders.
Dimensions
Nominal model size: 14” x 8”. Check the manufacturer drawing for flange dimensions and required opening. Drawing body depth/profile: 1.5 in; projecting mounting ears/flanges may increase overall size.
Care information
Follow the model-specific installation instructions. Check the opening, flange fit and fasteners before fitting the vent.







































































