Having your roof well ventilated is extremely important. A well ventilated house will have a long lasting roof system, well working sewage system
as well as helping to keep comfortable temperatures all year long.
In the summer time, heat build-up will help age and crack wood prematurely and will also make it for a very unwanted warm house, while in cold weather,
laundry, showers, dish washers and cooking will generate warm air that if not properly ventilated will linger in your household and cause moisture build-up.
Stack vents, also known as stink pipes are a very important part of the sewage system on a house. They provide a way to release sewer
gases outdoors. Vents also absorb oxygen to the waste system, allowing aerobic sewage digestion. Vents equalize the pressure on both sides of a
trap, allowing the trap to hold water, which is needed to maintain it's effectiveness.
Roof vents can be fabricated in many metals, gauges and finishes, most common being
16 oz copper,
freedom gray and
lead coated copper.
Roof vents are commonly fabricated with these materials: