How Long Do Plastic Roof Vents Last

It is important to choose the right roof vent to assure proper attic ventilation.

How long do plastic roof vents last.

Being virtually unbreakable with 250 times the impact strength of float glass and 30 times that of acrylic polycarbonate panels are a great product for a wide variety of outdoor uses. The sealants degrade over time due to sun damage drying and cracking expanding and contracting and body flex from road travel. Whats everyones opinion on plastic vents. When it comes to roofing even galvanized aluminum vents are prone to rust and leaks.

The best plastic roof jacks are designed without seams that can allow water penetration and don t use rivets that promote unsightly and harmful rust. Any jobs i do on the side i always get the home owner to buy metal especially on a 30 or 40 year shingle. Roof vents tv antennas transition molding on the roof radio antennas and sky lights are just a few examples of the various items that need to be maintained. Famco plastic vents fa50 bvds are made from high density polyethylene hdp.

Company i work for and every other company in the city puts plastic vents on everything. There are many possible parts of the roof potentially leaking but one of the most common ones is the area around the roof vent. 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. Famco manufactures a wide variety of roof vents in plastic bvds fa50 and metal bk jv jvo gbv lrv.

I see plastic attic air vents broken all the time. Vent roofs with steeples towers or cupolas can be found in different buildings from barns to cathedrals. The building codes and building science for. I ll bet you think you asked a.

We see heavy snowfall and cold temps. Polycarbonate is also frequently used for pool covers or for roofing on industrial warehouses. A blocked vent can be caused by leaves dead animals and ice dams in very cold. All roof vents should also be equipped with large flanges or flashing to ensure a watertight seal.

Hdp is one of the most versatile and widely used plastics. On the other hand i want this next roof to last as long as possible and if these vents are better for the roof and the shingles then i would want them installed. The last things you need to be fixing into your roof are plastic roof vents. See the white pipe on the roof at left.

In the 2003 canberra bushfires aluminium whirlybirds were sucked out of roofs like a piece of tissue paper how long do you think plastic roof ventilators would last in these conditions before they go up in a puff of smoke followed by your home. The plastic pipe is flashed or sealed at the roof penetration to prevent rainwater from leaking into the building.