Flood Vent Sealing Kit for 1540-520 Model

Works to create a tight seal behind the vent opening and finish off the interior space while the vent is not in use. When a flood event occurs, the pre-cut Homasote® material blows out from the area in the center, creating a now unobstructed opening to allow the insulated flood door to open automaticallyThe NEW Flood Vent Sealing Kit (Model #1540-526) works to create a tight seal behind the vent opening and finish off the interior space while the vent is not in use. When a flood event occurs, the pre-cut Homasote® material blows out from the area in the center, creating a now unobstructed opening to allow the insulated flood door to open automatically. Because the Homasote® is composed of 98% recycled material, it is biodegradable and will decompose leading to less post-flood cleanup.This simple, energy efficient upgrade is for any new or existing SMART VENT Insulated Model #1540-520 in your home or business, which exceeds the 2018 energy codes. Made in USA