Would this work for a garage door & how is would it be supported ?

I added this to my shed by cutting a 9x8" rectangular hole, and trimming the back of the vent with a Dremel because a stud blocked part of the hole. Before attaching to the shed, I sprayed the front with DEFT Adhesion Promoter so it could later be painted. Pieces of Gorilla Tape covered the four corners until GOOP adhesive on the back had dried. The tape was then removed, and the perimeter sealed with DAP Dynaflex calk. Finally, I carefully painted over the vent and dried calk to match the shed. The plastic vent is stronger and much thicker than sheet metal, and the small slats keep most bugs out and add overall strength.

How many square inches of net free area?

From the item photo, it is labeled "21 square inches", which seems like a plausible net free area amount given the overall roughly 10x10 inch outer dimensions.

Does this allow wind to come through it into the building?

I wouldn't say wind, but air flow will come into the building. We used these in a small shed in the back yard that was getting moldy. My husband cleaned it, removed the mold, and wanted to have some air flow in the building to resist the mold build up from dampness. I guess we will find out in the spring if it worked. I recommend these vents as they were easy to install and look nice.

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Duraflo 620808 Gable Vent, 10-Inch X 10 7/8-Inch

Duraflo 620808 Gable Vent, 10-Inch X 10 7/8-Inch

Product ID: 18671646

Details

Brand
Duraflo
Color
White
Item Weight
5.76 ounces
Material
Other
Size
10x10.8 in

✅CSA approved for trusted safety standards

📏10" x 10 7/8" net free area for optimal airflow

☀️High UV resistance for lasting durability

R1507

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Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🏡 Elevate your home's airflow game with Duraflo – where durability meets design!

SLEEK MODERN DESIGN - Clean white finish and solid pattern complement contemporary home aesthetics while performing flawlessly.
BUILT TO LAST UNDER THE SUN - Engineered with high UV resistance to maintain pristine white finish and structural integrity season after season.
CERTIFIED SAFETY YOU CAN TRUST - CSA approval ensures this vent meets rigorous safety and quality standards, giving you peace of mind.
INSECT BIRD BARRIER BUILT IN - Molded-in screen design keeps pesky insects and birds out without compromising ventilation.
MAXIMIZED VENTILATION EFFICIENCY - Generous 10" x 10 7/8" net free area optimizes airflow, reducing moisture buildup and enhancing home comfort.

The Duraflo 620808 Gable Vent is a 10" x 10 7/8" ventilation solution featuring high UV resistance and CSA certification. Its molded-in screen prevents insect and bird infiltration, ensuring efficient airflow and long-lasting performance with a sleek, modern look.

Specifications

ASIN	B004Y75SUC
Best Sellers Rank	#690,890 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #140 in Gable Vents
Brand Name	Duraflo
Color	White
Customer Reviews	4.6 4.6 out of 5 stars (1,026)
Global Trade Identification Number	00662671620019
Included Components	1
Item Dimensions D x W x H	10.13"D x 3.18"W x 11.5"H
Item Weight	5.76 ounces
Manufacturer	Duraflo
Manufacturer Part Number	620808
Material Type	Other
Model Number	620808
Number of Items	1
Operation Mode	Manual
Pattern	Solid
Projection Distance	10.13 inches
Size	10x10.8 in
Style Name	Modern
UPC	662671620019 735090029685 700761113451 756655075633 785577622052

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TrustScore 4.5 | 7,300+ reviews

Meera L.

Smooth transaction and product arrived in perfect condition.

3 weeks ago

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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R1507

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to South Africa.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Anita G.

Good experience, but the tracking updates could be better.

2 months ago

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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