A garage door is the largest moving part on your home and one of the most visible — it covers up to 30% of your home's front-facing exterior. In St. George and the surrounding high desert, the climate adds constraints that don't apply in cooler parts of Utah. Here's what to know before buying a new garage door.
Garage Door Types and Costs
| Door type | Cost installed (single) | Cost installed (double) | Best for |
|---|---|---|---|
| Steel (non-insulated) | $750–$1,200 | $1,200–$2,000 | Budget, detached garages |
| Steel (insulated) | $1,000–$2,000 | $1,800–$3,500 | Attached garages, energy efficiency |
| Wood | $1,500–$4,000 | $2,500–$6,000 | Curb appeal, custom homes |
| Aluminum + glass | $1,800–$4,500 | $3,000–$7,000 | Modern/contemporary homes |
| Composite/faux wood | $1,200–$3,000 | $2,000–$5,000 | Wood look, low maintenance |
Prices include the door, hardware, and standard installation. Opener replacement adds $300–$600 if needed.
Why Climate Matters in St. George
St. George regularly hits 110°F in summer. That extreme heat affects garage doors differently than the cold that most manufacturers design for:
- Insulation matters more than you'd think. An uninsulated garage door in St. George turns your garage into a 130°F oven by mid-afternoon. If your water heater, HVAC air handler, or any living space shares walls with the garage, that heat radiates inward and drives up cooling costs. An insulated door (R-12 or higher) can drop garage temperatures by 20–30°F.
- UV damage is real. St. George gets intense UV year-round. Painted steel doors fade faster here than anywhere in Utah. Wood doors need more frequent finishing. Look for doors with UV-resistant finishes or plan on repainting every 3–5 years.
- Thermal expansion. A dark-colored garage door in direct sun can expand enough to bind in the tracks. Light-colored doors perform better in the high desert — and if you want a dark door, make sure the installer accounts for thermal movement in the track clearances.
Insulated vs Non-Insulated
For attached garages in St. George, insulated is the clear winner. The energy savings from reduced cooling load typically pay back the price difference within 2–3 years. The door also operates more quietly (the insulation dampens vibration) and is more durable (the sandwich construction resists dents better than single-skin steel).
For detached garages used purely as workshops or storage, the decision depends on whether you spend time in there during summer. If you do, insulate. If it's just parking and storage, non-insulated saves money upfront.
Garage Door Installation: What's Involved
- Measurement and order — doors are manufactured to fit your opening, not stock sizes. Accurate measurement is critical.
- Remove old door — disconnecting springs (high-tension, dangerous without experience), removing tracks and panels.
- Install new tracks — shimmed and leveled to the opening.
- Hang panels — bottom panel first, working up, with rollers, hinges, and weatherstrip at each level.
- Spring system — torsion springs (above the door) are standard on most modern doors. Spring tension is calculated by door weight.
- Opener connection — connecting to existing opener or installing a new one.
- Balance and test — the door should stay at any height when disconnected from the opener. If it falls or rises, the springs need adjustment.
Get a Garage Door Estimate in St. George
High Desert Garage serves St. George, Washington, Hurricane, Ivins, and surrounding communities with garage door installation, repair, and opener service. We carry insulated and non-insulated doors from major manufacturers, and our installation crew handles everything from measurement to final adjustment.
Call us or request a free estimate.