This cap features both a back draft damper and bird screen preventing outside air from entering the home and birds and small pests from entering duct work.
How to cover roof vents.
Ventsure 4 foot strip heat moisture ridge vent with weather protector moisture barrier.
Air vent 1 500 cfm black galvanized steel electric power roof vent.
Rafter vents or insulation baffles install in any rafter space to create narrow gaps that direct fresh air from the soffit vents to the peak of the roof.
Vents come in various styles.
It is compatible with 3 or 4 ductwork and includes a 3 to 4 adapter for convenience.
Grab a flashlight and inspect your attic during the winter.
If you see dampness or frost you need better roof ventilation and some attic vents.
For the best results place roof ventilation near the roof s peak and soffit vents in the eaves.
27 lineal feet required.
Air flows in through the soffit vents and out through the roof vents.
Soffit vents are one of the most popular intake vent styles.
Ventsure 4 foot strip heat moisture ridge vent.
These specialty vents do not affect the.
Choose one of the following products to meet the recommended exhaust nfva of 528 square inches.