Venting the roof deck reduces the average temperature of the roof 1 75 c 5 f which is one third the influence of the colour of the shingles the aspect of the roof direction it faces and 1 36 the influence of geographic location.
Vented roof deck energy savings.
This results in significant energy savings compared to figure 1.
4 ways your roof can save you energy maximize your investment in a new roof or roof repair by paying attention to these four elements of an energy efficient roof that can significantly lower your.
At these low levels the moisture has a negligible effect on the.
When the hvac system is located in a vented attic it is exposed to extremes of hot and cold.
The addition of vented eave riser flashing and ridge ventilation completes an energy saving asv system.
A specialist will help you choose the right type of attic venting system for your roof they can help you maximize your energy savings and will ensure that the venting systems are properly placed and installed.
Take a look at some tips on proper attic ventilation from mr.
The system shown below is the elevated batten system made by boral roofing which uses treated 1 by 2s with high grade plastic pads a vented eave riser flashing and vented weather blocking at the ridge.
Venting the roof deck reduces the average temperature of the roof 1 75 c 5 f which is one third the influence of the color of the shingles the aspect of the roof direction it faces and 1 36 the influence of geographic location.
Consult with an hvac specialist.
However if moisture is able to enter the unvented attic space it may lead to roofing panel issues.
The airflow from the soffits to the ridge vent keeps the roof cool and prevents ice dams and the material will block that flow.
Wood roofing panels endorsed by the apa usually contain an in service water content of between 4 and 16.
Additionally during high wind events vented soffit collapse leads to building pressurization and window blowout and roof loss due to increased uplift.
Covering up the soffit vents with loose fill or batts which can happen if you stuff insulation along the eaves is a huge no no.
In high wind regions particularly in coastal areas wind driven rain is a problem with vented roof assemblies.
The energy needed for air conditioning and heating typically goes up 10 when ducts are in the attic ueno 2003.
The energy savings touted by unvented attics can be as high as 20.