Half Round Dormer Vents


Critical for proper cooling of the attic, our half round dormer vents are attractive, long lasting and fire resistant. We also have low profile and sub flashing or you can custom order from us as well.

Product Summary

Half round prefix: VDR

SKU#

VDR1224 VDR918 VDLR419

Size in inches

12 X 24 9 x 18 4 x 19

Type

Half Round Half Round Low Profile

NFVA (sq. inches)

90 51 56
NFVA: Non folded ventilation area

Retrofit Dormer Vents, Interior

SKU#

VM1424 VM2424 VM4824

Size in inches

13.5 X 24 24 X 24 48 x 24

Type

Half Round Half Round Low Profile

NFVA*

Depends Depends Depends

Retrofit Dormer Vents, Exterior

Half round prefix: VDR Low Profile prefix: VDLR

SKU#

VDR1224k VDR918k VDLR419k

Size in inches

12 X 24 9 x 18 4 x 19

Type

Half Round Half Round Low Profile

NFVA*

90 51 56
NFVA: Non folded ventilation area