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Prehung Mahogany 6 Lite Entry Door with Sidelites vs Therma-Tru Grid Entry 68-in 80-in x 6-9/16-in Fiberglass 3/4 Lite Right-hand Inswing Black Painted Prehung Front Door with Sidelights

Buy the mahogany door and sidelites if you want a wood entry with real grain, a true divided lite pattern and a matching pair of 14-inch sidelites. Buy the Therma-Tru if you want a fiberglass slab that resists dents, rot and rust, comes prehung with weatherstripping and brickmould, and needs no finishing. The mahogany unit is the more distinctive, furniture-like entry; the Therma-Tru is the lower-maintenance one. Owners of the mahogany door praise the joinery, beveled glass and packaging, while fiberglass doors like the Therma-Tru are valued for holding paint and shrugging off weather.

  • Choose the mahogany door if you want a warm wood entry with a 6-lite TDL design, a raised lower panel and two matching sidelites, and you are willing to stain or paint it.
  • Choose the Therma-Tru if you want a prehung fiberglass door with sidelights, an insulating core and a factory black paint finish that resists dents, rot and rust.

Prices

  • Prehung Mahogany 6 Lite Entry Door with Sidelites: $1,700.00 at doors.com (checked today)
  • Therma-Tru Grid Entry 68-in 80-in x 6-9/16-in Fiberglass 3/4 Lite Right-hand Inswing Black Painted Prehung Front Door with Sidelights: $2,401.71 at Lowe's (checked today)
  • Difference: the Prehung Mahogany 6 Lite Entry Door with Sidelites is $701.71 cheaper than the Therma-Tru Grid Entry 68-in 80-in x 6-9/16-in Fiberglass 3/4 Lite Right-hand Inswing Black Painted Prehung Front Door with Sidelights today
7
7231-1-2SL131 | Prehung 6 Lite 1 Panel Mahogany TDL Entry Door and 14" 3 Lite 1 Panel Sidelites with Insulated, Beveled Glass

Prehung Mahogany 6 Lite Entry Door with Sidelites

7231-1-2SL131 | Prehung 6 Lite 1 Panel Mahogany TDL Entry Door and 14" 3 Lite 1 Panel Sidelites with Insulated, Beveled Glass

5(1 rating)
$1,700.00at doors.comChecked 58 min ago
See all prices and details
Visit doors.com
Pros
  • True divided lite glass with beveled panes
  • Solid mahogany face with visible grain
  • Two matching sidelites in one unit
  • Engineered stiles and rails resist warping
  • Insulated tempered glass for quiet and efficiency
Cons
  • Not impact rated
  • Needs staining or painting unless pre-finished
  • Wood requires periodic sealing
  • Handing not stated in the listing
Therma-Tru
Therma-Tru Grid Entry 68-in 80-in x 6-9/16-in Fiberglass 3/4 Lite Right-hand Inswing Black Painted Prehung Front Door with Sidelights

Therma-Tru Grid Entry 68-in 80-in x 6-9/16-in Fiberglass 3/4 Lite Right-hand Inswing Black Painted Prehung Front Door with Sidelights

$2,401.71at Lowe'sChecked 54 min ago
See all prices and details
Visit Lowe's
Pros
  • Fiberglass resists dents, rot and rust
  • Insulating core and weatherstripping included
  • Prehung with brickmould, ready to install

What separates them

Prehung Mahogany 6 Lite Entry Door with SidelitesTherma-Tru Grid Entry 68-in 80-in x 6-9/16-in Fiberglass 3/4 Lite Right-hand Inswing Black Painted Prehung Front Door with Sidelights
MaterialMahogany wood with engineered stiles and railsFiberglass skin over an insulating core
Glazing6-lite true divided lite over a raised panel, insulated tempered glass3/4 lite decorative glass
SidelitesTwo 14-inch 3-lite 1-panel sidelites includedSidelights included in the 68-inch unit
FinishUnfinished or factory pre-finished; stain or paintBlack painted finish
Weather resistanceWood needs sealing and upkeepResists rot, dents and rust
Jamb4-9/16-inch mahogany jamb6-9/16-inch aluminum impact frame
HandingNot specified; confirm when orderingRight-hand inswing
Impact ratingNot impact ratedAluminum impact frame

Price history

$4,494.97$2,171.04
Nov 8Nov 15
  • Therma-Tru Grid Entry 68-in 80-in x 6-9/16-in Fiberglass 3/4 Lite Right-hand Inswing Black Painted Prehung Front Door with Sidelights: lowest $2,171.04 on Nov 8 at Lowe's; $2,401.71 on Nov 15.

Prices at every store

Prehung Mahogany 6 Lite Entry Door with Sidelites

  • doors.comNew

    In stockReturn policy

    $1,700.00Checked 58 min ago
    Visit doors.com
Prices and history →

Therma-Tru Grid Entry 68-in 80-in x 6-9/16-in Fiberglass 3/4 Lite Right-hand Inswing Black Painted Prehung Front Door with Sidelights

  • Lowe'sNew

    In stock

    $4,617.97Free shippingChecked 57 min ago
    Visit Lowe's
  • Lowe'sNew

    Availability unknown

    $2,401.71+ $79.00 shippingChecked 54 min ago
    Visit Lowe's

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Prices and history →

Specs compared

SpecPrehung Mahogany 6 Lite Entry Door with SidelitesTherma-Tru Grid Entry 68-in 80-in x 6-9/16-in Fiberglass 3/4 Lite Right-hand Inswing Black Painted Prehung Front Door with Sidelights
Door TypeExteriorPrehung, Entry Door
Door Width36"—
Door Height80", 96"—
Door Thickness1-3/4"—
Glass Thickness5/8"—
Glass Lite Count6 Lite—
Wood SpeciesMahogany—
ConfigurationSingle—
Number of Sidelites2—
Sidelite Width14"—
Door Jamb4-9/16" Mahogany Jambs—
Impact RatedNo—
Show all 40 specsShow fewer specs
SpecPrehung Mahogany 6 Lite Entry Door with SidelitesTherma-Tru Grid Entry 68-in 80-in x 6-9/16-in Fiberglass 3/4 Lite Right-hand Inswing Black Painted Prehung Front Door with Sidelights
Lock Case—ASSA 2002
Hang—R
Width (")—68.0
Type of Glass—Decoration Glass
Glass—Yes
Color—Black
Height (")—80.0
Style—Classic, Modern
Door—Right
Door Mechanism

Questions and answers

Which is better for a coastal or wet climate?
The Therma-Tru. Its fiberglass skin and aluminum frame resist rot, rust and dents, while mahogany needs regular sealing to hold up in wet, salty air.
Which looks more upscale?
The mahogany door. Real wood grain, a 6-lite true divided lite pattern and beveled glass read as a more custom entry than a painted fiberglass slab.
Which lasts longer?
The Therma-Tru needs less upkeep and will not rot or dent. A well-sealed mahogany door can last decades too, but it depends on how often you refinish it.
Do both come with sidelites?
Yes. The mahogany unit includes two 14-inch sidelites, and the Therma-Tru is sold as a 68-inch unit with sidelights.
Is the mahogany door impact rated?
No. It is not impact rated. The Therma-Tru uses an aluminum impact frame, which matters if your code requires impact-rated openings.
Can I paint the Therma-Tru a different color?
It comes black painted. You can repaint a fiberglass door, but you must prep the surface properly for the new coating to bond.

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More comparisons

  • Therma-Tru Grid Entry 68-in 80-in x 6-9/16-in Fiberglass 3/4 Lite Right-hand Inswing Black Painted Prehung Front Door with Sidelights vs VDOMDOORS Front Exterior Door Prehung 36 x 80 inches Manux 8661 White Silk Entry Door with Frame Metal Frosted Glass Sidelite 2 Sidelites 14" Right Hand Front Entry
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  • 3 ft. x 6 ft. 8 in. Mahogany Classic 4 Lite Prehung Exterior Door vs 7231-1-2SL131 | Prehung 6 Lite 1 Panel Mahogany TDL Entry Door and 14" 3 Lite 1 Panel Sidelites with Insulated, Beveled Glass
  • Therma-Tru Grid Entry 68-in 80-in x 6-9/16-in Fiberglass 3/4 Lite Right-hand Inswing Black Painted Prehung Front Door with Sidelights vs Therma-Tru Grid Entry 64-in 80-in x 4-9/16-in Fiberglass Full Lite Right-hand Inswing Black Painted Prehung Front Door with Sidelights
  • 7231-1-2SL131 | Prehung 6 Lite 1 Panel Mahogany TDL Entry Door and 14" 3 Lite 1 Panel Sidelites with Insulated, Beveled Glass vs VDOMDOORS Front Exterior Door Prehung 36 x 80 inches Manux 8661 White Silk Entry Door with Frame Metal Frosted Glass Sidelite 2 Sidelites 14" Right Hand Front Entry
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Buying guides that pick them

  • Best prehung front entry doors with geometric brass rectangular lites
  • Best prehung front entry doors with brass geometric glass lites
  • Best front entry doors with brass geometric glass lites
  • Best prehung front entry doors with geometric brass grids
Factory black paint needs no finishing
  • Right-hand inswing is clearly specified
  • Cons
    • Decorative glass, not true divided lite
    • Only a 3/4 lite, less glass area
    • Fiberglass lacks the look of real wood grain
    • Black finish limits color matching
    —
    Swing
    Size—36-in x 80-in (common)
    Thickness—6-9/16-in
    Door Handing—Right-hand inswing
    Number Of Panels—Flush panel
    Installation Location—Exterior, Back door, Prehung, Residential
    Installation Type—Pre-hung and ready to install
    Material—Fiberglass
    Core Material—Insulating core
    Metal Material—Aluminum (impact frame)
    Frame Material—Aluminum (impact frame)
    Included Accessories—Weatherstripping, brickmould
    Door Configuration—Single door
    Durability—Resist rust, Resist dents, Resist rot
    Finish Type—Painted, Unfinished
    Hardware Type—Ready for lockset and deadbolt
    Hardware Material—Black nickel (sill finish)
    Glass Material—Tempered glass
    Energy Efficiency—Insulating core