Vent Spacer In A Roof

27 lineal feet required.

Vent spacer in a roof.

Roof vents are for warmer climates. Choose one of the following products to meet the recommended exhaust nfva of 528 square inches. Owens corning raft r mate attic rafter vents. In other words the entire vent opening doesn t count as vented space.

The vent adapter outside dimension is 16 3 4 x 16 3 4. Effective attic ventilation systems reduce damaging heat and moisture in your attic promote energy efficiency by helping to reduce the load on your air conditioner in the summer and also reduce the risk of ice dam formation on your roof. These vents and ducts should never share space with the roof vent and air should never be vented directly into the attic. 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.

Family handyman the lasting benefits of ventilation. A new roof is more than just shingles. You will need a wider adapter. Ventsure 4 foot strip heat moisture ridge vent with weather protector moisture barrier.

With the right balance of intake and exhaust ventilation a homeowner can help optimize the life of his roof system and his home s energy efficiency. Ventsure 4 foot strip heat moisture ridge vent. Raft r mate attic rafter vents create a space between each rafter for air to flow freely up the rafters and into the attic. If you are using a maxxair vent our adapter fits the deluxe series other maxxair fan vents have a wider flange.

Assist in the constant flow of fresh air from soffit vent to the ridge by preventing blockage of the airway at the soffit. Fans and vents may be installed on the roof system that will draw the air out of the attic space and exhaust it to the exterior. These specialty vents do not affect the. These fans may be controlled by a switch or a thermostat which detects heat build up in the attic space and automatically exhausts the attic space.

If the attic space is going to be conditioned either for living or mechanical purposes or if a home design calls for a vaulted ceiling provision r806 3 in the international residential code calls for the roof deck above the space to be vented continuously from the eave to the ridge. That said air resistance and interference such as vent grates reduces the area of true ventilation. Too many people believe the importance of roof ventilation is to increase energy efficiency during the summer. A ventilation spacer for placement between a facia board and the roof sheathing of a roof construction comprising a strip of corrugated metal or plastic having slits cut therein in a longitudinal direction and bent to a 90 angle along the line defined by the slits.