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Patio Door FAQ: East Bay Homeowners' Guide

Patio Doors FAQ: East Bay Homeowners’ Guide

At Custom Exteriors, we know that choosing the right patio door is about more than just style.  It's about performance, comfort, and long-term value for your East Bay home. Whether you live in Pleasanton, Walnut Creek, Fremont, or anywhere across Northern California, your doors must stand up to our region’s warm summers, cool evenings, and coastal moisture.  Our FAQ page answers the most common questions local homeowners have about patio door styles, materials, energy efficiency, and installation. We’re here to help you choose the perfect patio door solution for your next home improvement project with confidence.

1. What types of patio doors does Custom Exteriors offer?

We carry and install a variety of fiberglass patio doors in the following styles.

Each option is available in multiple configurations, glass choices, finishes, and hardware.

2. How do I choose between sliding and French patio doors?

Here are some key considerations:

  • Space requirements: Sliding doors do not require extra swing clearance, whereas French doors open inward or outward and need clearance space.
  • Aesthetics and architectural style: French doors often deliver a more classic or formal look, while sliding doors provide a sleek, modern aesthetic.
  • Ease of operation: Modern sliding doors have smooth rollers and large glass panels that make them easy to slide, even in large sizes.
  • Ventilation & access: French doors allow full-width opening; sliding doors offer partial opening unless you opt for multi-slide or bi-fold systems.

Our design consultants can help you pick the option that best fits your home style, usage needs, and budget.

3. Are your patio doors energy efficient?

Yes. We install fiberglass patio doors that incorporate energy-efficient features such as:

  • Low-E 366 coated glass
  • Ultrex® Fiberglass Frame
  • Double or Multi-Pane Insulated Glass Units
  • Low Expansion & Contraction
  • Tight Seals & Weatherstripping

These features help reduce heat transfer, prevent condensation, and improve insulation. These features can  help you save on heating and cooling costs. You’ll also have fewer hot or cold spots near your fiberglass patio door.

4. Can I get custom sizes or non-standard configurations?

Absolutely. Because no two homes are exactly alike, we offer fully custom sizing and configurations. We can even accommodate unconventional openings, angled walls, or multi-panel systems. During our in-home consultation, we’ll precisely measure and discuss custom options.

5. What about security and durability?

Our patio doors include security features like multi-point locking systems, reinforced frames, impact-resistant glass options, and durable hardware finishes. Combined with expert installation by our AAMA Certified Master Installers, your door system will deliver strength, reliability, and long-term performance.

6. How long does installation take?

The timeline depends on the complexity of the job. A standard single sliding or French door replacement may take 1 to 2 days from removal to finishing touches. More complex multi-panel or folding systems might take longer. We’ll provide a clear schedule during your consultation.

7. What is involved in preparing for installation?

Here’s how you can help make the process smoother:

  • Clear a path from the outside to the work area.
  • Remove blinds, curtains, or screen doors in the vicinity.
  • If applicable, protect interior furnishings and flooring near the install area.
  • Our team will handle the heavy lifting, waste removal, and final cleanup.

8. Do patio doors come with a warranty?

Yes. We back our products and workmanship with strong warranties. Our door manufacturers typically provide warranties on glass, frames, and hardware; and Custom Exteriors offers a workmanship guarantee to ensure proper installation and long-term performance.

9. How do I maintain my patio doors?

Basic maintenance helps ensure longevity and optimal performance:

  • Clean glass regularly with a non-abrasive, ammonia-free cleaner
  • Lubricate rollers, tracks, and hinges annually
  • Check and tighten hardware (locks, handles)
  • Clean out tracks and weep holes to avoid debris build-up

Our team can provide a detailed care guide tailored to the models installed in your home.

10. What’s the cost of replacing or installing a patio door?

Costs vary based on several factors: size, configuration (e.g. number of panels), glass options, hardware, and structural modifications. During our free in-home consultation, we’ll assess your needs, measure your opening, and prepare a transparent, no-obligation estimate.

11. Is financing available?

Yes! Custom Exteriors offers financing options (subject to credit approval) to help make exterior renovation projects more affordable. Go to our Financing Page or Contact us to discuss terms and see what works best for your budget.

12. Why choose Custom Exteriors for my patio door project?

  • Over 28 years of experience in exterior remodeling, completing 28,000+ projects 
  • Deep partnerships with manufacturers like Infinity from Marvin
  • In-house AAMA Certified Master Installers, not subcontractors 
  • Commitment to accuracy, craftsmanship, and customer satisfaction