Vented Roof Deck Energy Savings

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.

Vented roof deck energy savings.

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. In high wind regions particularly in coastal areas wind driven rain is a problem with vented roof assemblies. Take a look at some tips on proper attic ventilation from mr. However if moisture is able to enter the unvented attic space it may lead to roofing panel issues.

This results in significant energy savings compared to figure 1. Consult with an hvac specialist. 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. Additionally during high wind events vented soffit collapse leads to building pressurization and window blowout and roof loss due to increased uplift.

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. The addition of vented eave riser flashing and ridge ventilation completes an energy saving asv system. 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. For the same reason insulation shouldn t touch the roof s underside.

Ten percent or more hvac energy savings when compared to vented attic construction are widely accepted by the building science community for the unvented attic construction approach if airtight equipment and ducts are located in the attic. Warm air that escapes into the attic in winter can warm the roof deck and increase the risk of ice dams. At these low levels the moisture has a negligible effect on the. 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.

The airflow from the soffits to the ridge vent keeps the roof cool and prevents ice dams and the material will block that flow. The energy needed for air conditioning and heating typically goes up 10 when ducts are in the attic ueno 2003.