For a finished attic venting is a little more complicated but it s still essential.
How to ventilate an attic with a metal roof.
Selecting metal roof and wall panels is a strategic investment for the life of a building.
Bjorn asks i have a new house with a metal roof and without a ridge vent.
They run continuously along the entire length of the roof so hot moist air is continuously released from the attic space across the entire ridge.
A ridge vent is a ventilation strip that is placed along the ridgeline of the home.
Instead the roofers do not install the regular metal roofing over the top of the ridge but leave a gap that runs the ridge s entire length.
Airflow enters through soffit vents and flows upward through each rafter space until it reaches the roof peak.
To protect their investment it is key that your customers ensure the proper ventilation system is installed.
A roof ridge vent is static but doesn t require cutting into the metal roof s middle.
Ridge vents are installed at the ridgeline of the roof.
It is important that air movement occurs and is not impeded by any framing members of the home.
Prior to installing the ridge vent a 1 inch wide strip of roof decking is cut out along both sides of the ridgeline to allow for air movement through the vent.
Please recommend a vent system without cutting holes in the metal roof there are several options available to provide ventilation to your attic without cutting holes in your metal roof including gable vents and a vented ridge.
Read on for more.
The safest way of venting a metal roof is installing a roof ridge vent.
The other option of course is a vented attic which requires an equal balance of intake and exhaust vents.
Optimal air movement not only promotes temperature regulation and energy efficiency but also reduces the risk of moisture related issues like condensation build up.
In many cases for existing homes this is the easier way to go.