I see plastic attic air vents broken all the time.
Plastic vs metal roof vents.
This type of plastic roof vent works well with metal roofs as they can be the same color as the metal are easily installed through the use of metal screws and will last just as long as the metal roof itself.
Metal vents have sharp edges that can easily cut hands during installation.
It is important to choose the right roof vent to assure proper attic ventilation.
Hdp is one of the most versatile and widely used plastics.
Low cost metal roofing used mainly in utility buildings may look like this after several years.
They do not rust and are strong enough to withstand severe weather conditions.
Instead of a nice smooth roof you ll have a bunch of vents sticking up and making things cluttered.
As you noted there are many options to choose from for both metal and plastic.
If you do go with this type of ventilation on your roof just be sure your contractor installs metal vents not plastic.
A good quality metal roof will outlast plastic but each has its pros and cons.
Unlike metal plastic can be molded with smooth rounded edges that blend into the overall look of a structure.
Most manufacturers now use a durable plastic or aluminum to avoid rust.
We see heavy snowfall and cold temps.
Box vents pros box vents are also known as.
Does anyone else have this prob or is it a waste of money just go with.
If these vents fall or are blown from a roof they can cause serious injury.
Any jobs i do on the side i always get the home owner to buy metal especially on a 30 or 40 year shingle.
Famco manufactures a wide variety of roof vents in plastic bvds fa50 and metal bk jv jvo gbv lrv.
I ve seen many plastic vents that are just 10 15 years old that have cracked and let a lot of water drain into the attic.
The drawbacks of roof louvers are two.
Company i work for and every other company in the city puts plastic vents on everything.
In addition plastic roof vents are lightweight and have no sharp edges making installation safe and convenient.
Strong abs plastic is a great material for a roof vent.
Whats everyones opinion on plastic vents.
Plastic vents will get baked in the sun and become brittle over time.
Plastic ones are designed with smooth rounded edges and being lightweight they re less likely to cause damage.
The building codes and building science for.
Famco plastic vents fa50 bvds are made from high density polyethylene hdp.
Vent roofs with steeples towers or cupolas can be found in different buildings from barns to cathedrals.
Not surprisingly the most expensive options will last the longest.
The idea of roof vents existed for hundreds of years with natural vents employed in chinese buildings during the tang dynasty natural ventilation ducts in the buddhist monks caves and wind catchers incorporated in arabian architecture.
Flat vents low profile vents turtle vents and louvers.
