Wallaby Homes / Roofing

Roofing · Architectural shingles · Old Hickory / Hermitage

Why some roofs have no ridge vent

A licensed GC walks the assembly, not just the shingle. You talk to Winston Farzan.

26+ years Since 2000 Nashville since 2018 TN GC #75052 Old Hickory / Nashville

If you look at a new roof from the street, or from a drone, you may not see a plastic ridge cap. People ask if that is a mistake. Most of the time it is a choice.

Wallaby Homes is FWF Construction LLC. We roof the custom homes we build, and we replace roofs on houses already standing. The shingle is what you see. The assembly is what keeps the house dry. Call 615-863-1836. We walk the roof, then we write an itemized bid. No Wallaby prices on this page.

Architectural asphalt shingles on a residential roof slope.
Private Residence, Old Hickory Lake, TN
Architectural shingle roof looking toward a construction lot.
Private Residence, Hermitage, TN
Aerial of a new architectural-shingle roof on a ZIP-sheathed custom home.
Private Residence, Hermitage, TN
Top-down architectural shingles with a closed ridge, no plastic ridge cap.
Private Residence, Hermitage, TN
The assembly

The ridge you do not see

A ridge vent is a slot at the peak with a plastic or metal cap over it. Air leaves the attic there. Soffit vents let air in at the eaves. That is a vented roof. You see the cap. You can point at it.

Some roofs have no plastic ridge cap. The shingles run over the peak in a clean line. That usually means one of two things.

One: the roof is unvented. The attic, or the space under the deck, is sealed and insulated at the roof. There is no ventilation path to feed, so there is no ridge vent to install.

Two: the roof is still vented, but the exhaust is not a plastic ridge. Box vents, a concealed slot, or another path can do the same job. You will not see the usual strip on the peak.

If someone left the ridge closed and also left the attic with no plan, that is a problem. The photos on this page are not that. They are a roof that was drawn as an assembly, then built that way.

ZIP-sheathed house with a finished architectural-shingle roof near a lake.
Private Residence, Old Hickory Lake, TN
Pick one path

Vented vs unvented

A vented roof keeps the attic closer to outdoor air. Insulation sits on the ceiling below, usually on the attic floor. The roof deck stays out of the conditioned house. Moisture that gets into the attic is supposed to leave through the vents. That is the common roof on older houses around Old Hickory and Hermitage.

An unvented roof, sometimes called a sealed attic or a hot roof when people are being loose with words, moves the insulation and the air seal up to the roof deck. The space under the rafters can be inside the house. Ducts up there sit in conditioned air. There is no soffit-to-ridge path because you do not want outdoor air washing that space.

Neither one is "better" as a slogan. They are different jobs. The choice is made when you build the roof, not when the shingle truck shows up.

Middle Tennessee is mixed-humid. Summer is wet and hot. Winter still gets cold enough to condense. An unvented roof that is not air-sealed, or that uses the wrong insulation in the wrong layer, will wet the deck. A vented roof with blocked soffits and a closed ridge will cook the attic and wet the sheathing too. The drawing has to pick a path and finish it.

Aerial of architectural shingles going down over underlayment.
Private Residence, Hermitage, TN
On the deck

The choice you make on the deck

When we build a roof we pick one:

A ventilation path. Intake at the eaves. Exhaust at the ridge or at another designed outlet. Baffles so the insulation does not choke the soffit. A deck that can dry to the attic.

Or an unvented roof. Air seal at the deck. Insulation that belongs in a sealed assembly. No fake ridge vent "for looks." If the peak is closed, it is closed on purpose.

You do not mix them. You do not close the ridge on a vented attic and call it done. You do not leave a sealed attic with no insulation at the deck and hope the shingles handle the heat.

Flashing, valleys, and walls still have to be right on both. A pretty shingle does not save a bad step flashing.

Two-story ZIP-sheathed house with a new shingle roof.
Private Residence, Hermitage, TN
Plain English

Insulation in plain English

Vented attic

The insulation lives on the ceiling, under your feet if you walk the attic. Fiberglass batts, blown fiberglass, or cellulose are common. Air is supposed to move above that blanket, under the deck. Keep storage and ducts off the insulation if you can. If the ducts have to live in a vented attic, they need to be sealed and buried. That is the weaker place for ducts.

Unvented / sealed roof

The insulation lives at the roof. Spray foam against the deck is one way. Rigid insulation above the deck is another. A thin foam layer against the deck plus fluffy insulation below it is a third, if the foam is thick enough for this climate. The air seal is the job. If the attic is sealed and the insulation is still only on the floor, you built neither assembly.

We will tell you which one the house already is, or which one the new home should be, after we see the framing and the deck. We do not pick foam or blown-in from a photo.

The shingle

Architectural asphalt shingles

These roofs use architectural asphalt shingles. Dimensional. Layered. From a close-up they can look like tile. They are still shingles. We do not call them tile. We do not call them pavers. We do not call them patio.

They are the spec we use when a homeowner wants that shadow line without a tile roof. Tile is a different roof, a different weight, a different flashing job. This page is shingles.

Spec and timing

Materials and lead time

A lot of what goes on a roof is made somewhere else and shipped here. Shingles, underlayment, and flashings often have mill dates and import time on them. That matters for two reasons.

Lead time. If the color or the underlayment is not on a local shelf, the start date moves. We do not tear off a tight house and wait on a boat.

The spec. Substituting a different shingle or a thinner underlayment to "keep the date" is how roofs fail early. The itemized bid names the product line we intend to put on. If the mill is out, we talk before we swap.

We do not name vendors on this page. We do not publish Wallaby prices. After a walk you get lines you can read: tear-off, deck, underlayment, flashing, shingles, cleanup.

From the first call

How a roof bid works

  1. You call or send photos. 615-863-1836.
  2. We walk the roof or the house.
  3. We say vented or unvented, or we say the existing roof is one and should stay that way.
  4. We write an itemized bid. You see the lines.
  5. If you award it, we pull the permit in our name when the job needs one.
  6. We build. Clean site. Owner on it.
  7. Walkthrough. We stand behind the work.
About 20 minutes from Old Hickory

Where we take this work

Old Hickory. Hermitage. Madison. Donelson. Hendersonville. Mt. Juliet. Goodlettsville. Inglewood.

Old Hickory Hermitage Madison Donelson Hendersonville Mt. Juliet Goodlettsville Inglewood

About 20 minutes from Old Hickory. That is the map.

Good questions

Roofing FAQ

Why does this roof have no ridge vent?

The peak is closed on purpose. Either the roof is unvented, with insulation and an air seal at the deck, or the exhaust is not a plastic ridge cap. It is not a missing part.

Is a roof without a ridge vent wrong?

Not if the assembly was drawn that way. It is wrong if you close the ridge on a vented attic and leave no other exhaust.

What is the difference between a vented and an unvented roof?

A vented roof moves outdoor air through the attic and keeps insulation on the ceiling. An unvented roof seals and insulates at the deck. Pick one. Finish it.

What insulation goes in a vented attic?

A blanket on the attic floor. Batts or blown. Air should still move above it, under the deck.

What insulation goes in an unvented roof?

Insulation at the roof deck, plus an air seal. Foam against the deck, rigid above the deck, or a designed combination. Not a floor blanket alone.

Are those tile roofs in the photos?

No. They are architectural asphalt shingles. Close-ups that look like tile are still shingles.

How much does a new roof cost in Hermitage or Old Hickory?

We do not publish Wallaby prices. After a walk we give you an itemized bid. Call 615-863-1836.

Request a roof walk

Send photos of the ridge and the eaves

We will tell you what assembly you have, and what the job actually is.

Call 615-863-1836 or use the consult form on the homepage. That form posts to /submit.php.

You deal with Winston Farzan, the owner.

Wallaby Homes · FWF Construction LLC · Old Hickory / Nashville · TN GC #75052

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Business & trading information

FWF Construction LLC

Wallaby Homes, Wallaby Pools, and Wallaby Decks are brands of FWF Construction LLC, a licensed general contractor serving Middle Tennessee in commercial, industrial, and residential construction.

  • Legal entity FWF Construction LLC
  • Trading as Wallaby Homes · Wallaby Pools · Wallaby Decks
  • Classification Commercial · Industrial · Residential GC
  • Status Licensed, bonded & insured
  • License # TN GC Lic. #75052
  • Office Old Hickory / Nashville
  • Contact 615-863-1836 · [email protected]
Licensed General Contractor
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Building in Middle Tennessee since 2018 · 26+ years in construction, since 2000 · US & Australia licensed.

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