Assist in the constant flow of fresh air from soffit vent to the ridge by preventing blockage of the airway at the soffit.
Vent spacer in a roof.
Whole house fans powered attic fans.
Choose one of the following products to meet the recommended exhaust nfva of 528 square inches.
Vent the roof deck.
These vents and ducts should never share space with the roof vent and air should never be vented directly into the attic.
These specialty vents do not affect the.
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.
A new roof is more than just shingles.
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.
The framing strips are expanded pvc and bonded to the roof with a thick bead of windoweld.
If you are using a maxxair vent our adapter fits the deluxe series other maxxair fan vents have a wider flange.
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.
In other words the entire vent opening doesn t count as vented space.
Raft r mate attic rafter vents create a space between each rafter for air to flow freely up the rafters and into the attic.
That said air resistance and interference such as vent grates reduces the area of true ventilation.
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.
Owens corning raft r mate attic rafter vents.
27 lineal feet required.
Roof vents are for warmer climates.
Too many people believe the importance of roof ventilation is to increase energy efficiency during the summer.
You will need a wider adapter.
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.
Ventsure 4 foot strip heat moisture ridge vent with weather protector moisture barrier.
Ventsure 4 foot strip heat moisture ridge vent.