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Roofing Components

What makes a roof? There are many components that combine to form a fully functional roof. As we’ve covered before, there are plenty of different roof types, so not every roof will look the same. However, most roofs are still constructed using the same set of necessary components.

Using our roof component diagram below, you can select each individual component and learn exactly what they are and what function they have on a typical roofing system. To view information about each section, just click on the corresponding cross.

Roofing Components guttering cladding soffits fascias downspout chimney flashing bargeboards
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    Roof gutters are used to channel rainwater from the roof directly to the property’s drainage system. It is basically a series of plastic troughs running along the edge of the roofline, connecting to a drainpipe running vertically down the side of the building and into the drain below. Take a look at our guttering components article for more information.

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    Cladding refers to the material which makes up the external body of the roof. It’s the visible - and largest - part of a roofline. Cladding is the main source of weather protection on the roof, and can be made up of many materials and many styles. Metal cladding includes: steel, aluminium, copper, zinc, lead - but you can also find plastic and fibreglass options, as well as more traditional slate and shingles.

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    On a roof, the soffit is the visible underside layer of an eave. It is the material which connects the overhang of the eave to the wall of a property. The soffit is under the fascia, which the guttering is typically attached to. To prevent the buildup of moisture and condensation, soffits are often ventilated.

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    Fascia boards extend from the eaves and run horizontally along the edge of the roofline. Guttering is usually installed along the fascia, and attached underneath is the soffit layer. Fascias can be constructed from a variety of metals or can be plastic.

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    RA downspout refers to any vertical drainpipe which channels rainwater from the guttering toward the drains below. These are typically constructed from plastic or metal.

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    Your chimney is responsible for ventilating hot air, smoke and gases from a fireplace, stove or boiler. The chimney extends upwards from a chimney breast, and channels smoke into the air above your roof system. The part of the chimney you can see from outside projecting from the roof itself, is known as a chimney stack. The interior channel of the chimney is called the flue.

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    Installed primarily to provide protection from rainwater, flashing is the pieces of materials which can be seen attached to the bottom of chimney stacks, or along the joints of a roofline. These are usually thin sheets of metal - most commonly lead, copper, steel, aluminium and zinc.

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    Bargeboards are another form of fascias, found on the gable end of a roof. These not only provide weatherproofing and protection to the interior structure of your roof, but they are often installed with aesthetics in mind. You can install bargeboards made from metal, plastic and timber.

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JTC Roofing are metal roofing specialists who can take care of your entire metal roofline. In addition to zinc, copper, steel and lead roof structures, we also offer a range of metal roofline products to bring complete protection and consistency to your roof design. To find out more, simply contact us today.


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