Service Area

Amityville
Foundation Vents Products

9 Brothers Building Supply carries a selection of Amityville foundation vents from top brands such as Monarch Materials Group and Smartvent. These vents will ensure ventilation in any season and Smartvent flood vents allow flood water to drain out helping to reduce possible flood damage that would otherwise occur with a regular vent or no vents. Stop in at one of our locations in Brentwood or Riverhead today to see our selection of foundation vents!

Service Area

All Authentic
Foundation Vents Products

Availalbe Size: 8′ X 16′
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Pour in place system Available in nominal and full wall widths Available with two vent insert options:...
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System available in a variety of wall widths – easily installed in poured concrete or concrete block...
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Vent Size Rough Opening Flood Coverage Air Ventilation 16-in. x 8-in. 16-in. x 8-in. 200 sq. ft. n/a Overhead...
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Vent Size Rough Opening Flood Coverage Air Ventilation 16-in. x 8-in. 16 1/4-in. x 8 1/4-in. 200 sq....
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Vent Size Rough Opening Flood Coverage Air Ventilation 32 1/2-in. x 16-in. 33-in. x 16 3/8-in. 800 sq....
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Vent Size Rough Opening Flood Coverage Air Ventilation 16-in. x 16-in. 16 1/4-in. x16 3/8-in. 400 sq....
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Vent Size Rough Opening Flood Coverage Air Ventilation 32 1/2-in. x 16-in. 33-in. x 16 3/8-in. 800 sq....

This product is currently out of stock and unavailable.

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Vent Size Rough Opening Flood Coverage Air Ventilation 14 1/2-in x 8 1/2-in. 14 1/2-in x 8 3/4-in. 200...
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Vent Size Rough Opening Flood Coverage Air Ventilation Varies, see Spec Sheet. n/a Varies per model Varies...

This product is currently out of stock and unavailable.

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Vent Size Rough Opening Flood Coverage Air Ventilation 16-in. x 8-in. 16 1/4-in. x 8 1/4-in. 200 sq....
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Vent Size Rough Opening Flood Coverage Air Ventilation 32 1/2-in. x 16-in. 33-in. x 16 3/8-in. 800 sq....
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Plainview Building Supply

1670 Islip Ave. Brentwood, NY
11717 Phone: (631) 273-3323

Rockville Centre Building Supply

28 Mill Road Riverhead, NY
11901 Phone: (631) 208-1630

70 Comsewogue Rd SUITE 9 Setauket-East Setauket, NY 11733 Phone: (631) 928-4665