Choosing the right 79 inch exterior door makes a big difference in energy efficiency, security, and style. This guide highlights five top 79″ exterior door slabs that balance fiberglass resilience, decorative glass options, and easy installation. Each option is prepped for hinges and locksets, helping you move quickly from box to entry. Whether you favor modern frosted panels, classic woodgrain finishes, or privacy glass, you’ll find an option that suits American homes and budgets.
Summary table of selected products
| Product | Brand | Key Features | Material | Notes |
|---|---|---|---|---|
| 36x80in Fiberglass Door Slab, White Exterior Door Slab | KHSHOW | Pre-cut hinge mortises, lockset hole; left/right inswing compatibility; woodgrain primed | Fiberglass | White primed with woodgrain texture |
| 36×80 Black Modern Fiberglass Front Door Slab | KHSHOW | RH hinge and lockset prep; vertical frosted glass; durable fiberglass | Fiberglass | Modern black finish with privacy glass |
| Black 36×80 Fiberglass Front Door Slab with Frosted Glass | KHSHOW | LH hinge & lockset prep; vertical frosted glass; durable exterior slab | Fiberglass | Left-hand inswing with light entry |
| KHSHOW Fiberglass Front Entry Door with Brickmould | KHSHOW | Left-hand inswing; Low-E glass option; primed white | Fiberglass | Brickmould frame; energy efficiency |
| 36×80 White Fiberglass Entry Door Slab with 3/4 Lite Glass | KHSHOW | Left-hand inswing; 3/4 lite privacy glass; mahogany-grain texture | Fiberglass | Prime white with wood-grain texture |
36x80in Fiberglass Door Slab, White Exterior Door Slab
The KHSHOW 36×80 White Fiberglass Door Slab combines a durable fiberglass exterior with a high-density foam core for insulation and noise reduction. Pre-drilled hinge mortises and lockset holes simplify installation, and the white primed, woodgrain-textured surface is ready for finishing. It accommodates right- or left-hand inswing configurations, with overall dimensions of 35-3/4″ by 79″ by 1-3/4″. Minimal maintenance is required to keep the door looking sharp in varied climates.
36×80 Black Modern Fiberglass Front Door Slab
This slab presents a contemporary black finish with a tall vertical frosted glass panel on the left. It’s built from durable fiberglass and is pre-cut for hinges and lockset hardware (hardware not included). The right-hand hinge arrangement defines RH inswing, and its exterior is designed to resist moisture, temperature swings, and impact. Ideal for modern exteriors, it pairs privacy with an upscale aesthetic while remaining cost-effective.
Black 36×80 Fiberglass Front Door Slab with Frosted Glass
This left-hand inswing door slab provides a pre-cut layout for hinges on the left edge and lockset on the right, ensuring straightforward installation for LH configurations. A vertical frosted glass panel on the right adds natural light while preserving privacy. The fiberglass build offers excellent moisture resistance, durability, and resistance to denting, making it a strong exterior entry option for varied climates.
KHSHOW Fiberglass Front Entry Door with Brickmould
This 36″ x 80″ door features a left-hand inswing configuration with brickmould and a primed white finish. The door’s Low-E glass option reduces heat transfer, enhancing energy efficiency, while tempered glass adds safety. The fiberglass construction is designed to resist dents, scratches, and moisture, offering long-term durability in exterior environments. It is suitable for homeowners seeking a classic look with modern performance.
36×80 White Fiberglass Entry Door Slab
This 36×80 slab features a left-hand inswing design with a 3/4 lite Iron-Art privacy glass that lets in ambient light while keeping visibility limited. The primed white surface is paired with a mahogany-grain texture for a refined exterior look. The door is built from high-density fiberglass to resist warping, swelling, and denting, ensuring a durable, low-maintenance front entry option for homes that want an elegant white aesthetic.
Buying Guide: Key Purchase Considerations
- Door orientation and hinge configuration: Verify left-hand vs. right-hand inswing or outswing and ensure hinge mortises align with your existing frame.
- Material and insulation: Fiberglass doors offer high durability, moisture resistance, and energy-efficient cores. Compare foam cores and exterior skins for R-values and noise reduction.
- Glass options and privacy: Frosted or privacy glass provides light while shielding interiors. Low-E coatings help reduce heat transfer for year-round comfort.
- Finish and maintenance: Primed white or woodgrain textures require painting or sealing. Woodgrain textures improve curb appeal but may need periodic touch-ups.
- Hardware compatibility: Pre-cut holes for hinges and locksets simplify installation; confirm compatibility with existing hardware choices or plan for new hardware.
- Dimensional fit: Match the door slab size to the rough opening (often 79″ height and 35-3/4″ to 36″ width). Check overall frame dimensions and jamb requirements to avoid fit issues.
- Energy performance: Look for Low-E glass and weather-resistant seals to minimize energy loss and drafts in extreme climates.
- Security features: A solid fiberglass shell with reinforced frames and tempered glass enhances security. Evaluate hinge and deadbolt bore preparations for strength.
- Installation complexity: Some pre-cut slabs are designed for straightforward DIY installs, while others may benefit from professional installation, especially when aligning multi-point locking systems.
- Warranty and support: Check manufacturer warranties and available customer support for materials, finish, and installation guidance.
These considerations help balance curb appeal, energy efficiency, and durability. When comparing options, note the available finishes (white primed, black, or natural woodgrain), glass features (frosted or privacy glass, with or without Low-E), and whether the slab is left- or right-hand inswing, to ensure a seamless integration with your home’s style and existing entryway.