Exterior doors are more than just entry points. They affect your home’s appearance, security, energy efficiency, and overall value. Choosing the right exterior door can improve curb appeal while providing better durability and comfort for everyday living.
This guide explains the key factors to consider before buying a new exterior door, including materials, styles, sizes, costs, and where to buy the right door for your project.
Before Buying a New Exterior Door
Before selecting an exterior door, it is important to evaluate your home’s requirements and installation conditions.
Consider the following questions:
- Is the door for a front entry, patio, balcony, or side entrance?
- Do you need better insulation or weather resistance?
- How important are security and privacy?
- Do you prefer a modern or traditional style?
- Will you choose a standard or custom size?
You should also measure the existing opening carefully before ordering a new door.
Typical standard exterior door sizes include:
| Door Type | Common Size |
|---|---|
| Single Entry Door | 36″ × 80″ |
| Double Entry Door | 72″ × 80″ |
| French Door | 60″ × 80″ |
| Sliding Patio Door | 72″ × 80″ |
Modern homes may also use taller 84-inch or 96-inch doors for a more luxurious appearance.

Buying Considerations for Exterior Doors
Choosing the right exterior door is not only about appearance. You should also consider durability, security, insulation, size, and budget to ensure the door fits your home and long-term needs.
Material
The door material affects strength, maintenance, insulation, and overall style.
| Material | Advantages | Best For |
|---|---|---|
| Aluminum | Strong, modern, low maintenance | Contemporary homes |
| Wood | Natural and elegant appearance | Traditional and luxury homes |
| Steel | High security and durability | Main entrances |
| uPVC | Affordable and energy-efficient | Residential projects |
Style
Choose a door style that matches your home’s architecture and functional needs.
Common exterior door styles include:
- Single entry doors
- Double doors
- French doors
- Sliding doors
- Pivot doors
Modern homes often prefer slim-frame aluminum doors, while traditional homes may use wood panel designs.
Size
The correct size is important for both appearance and installation.
Common standard exterior door sizes:
| Door Type | Standard Size |
|---|---|
| Single Door | 36″ × 80″ |
| Double Door | 72″ × 80″ |
| French Door | 60″ × 80″ |
| Sliding Door | 72″ × 80″ |
For large openings or luxury homes, custom sizes are also available.
Security
Exterior doors should provide strong protection for the home.
Look for features such as:
- Multi-point locking systems
- Reinforced frames
- Tempered or laminated glass
- Heavy-duty hinges
Steel and aluminum doors are commonly chosen for better security performance.
Energy Efficiency
A good exterior door should help reduce heat loss and improve indoor comfort.
Recommended features include:
- Double-glazed glass
- Thermal break frames
- Weather seals
- Low-E glass coatings
These features are especially important in hot or cold climates.
Cost
Exterior door prices vary depending on:
- Material
- Size
- Glass type
- Hardware
- Customization
Standard uPVC or steel doors are usually more affordable, while custom aluminum and solid wood doors are generally more expensive.
Maintenance
Different materials require different levels of maintenance.
| Material | Maintenance Level |
|---|---|
| Aluminum | Low |
| uPVC | Low |
| Steel | Medium |
| Wood | High |
If you want minimal maintenance, aluminum and uPVC are usually better choices.

Where to Buy Exterior Doors
Exterior doors can be purchased from:
- Local door and window suppliers
- Home improvement stores
- Specialized manufacturers
- Online building material suppliers
When choosing a supplier, consider:
- Product quality
- Customization options
- Warranty support
- Installation guidance
- After-sales service
For custom projects, working directly with a manufacturer is often the best option because it allows greater flexibility in size, materials, and design.
Conclusion
Choosing the right exterior door is important for both functionality and appearance. A good exterior door should provide security, durability, insulation, and a design that complements the home.
Before buying, carefully consider the material, style, size, and installation requirements to ensure the best long-term performance.
If you are looking for high-quality exterior doors for residential or commercial projects, Delanshini Doors and Windows offers a wide range of customizable door solutions. For detailed specifications and quotations, please contact: wang@gddlsn.com