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  • How do Fiberglass Entry Doors Compare to Wood in High-altitude Sun?
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In Colorado’s high-altitude environment, fiberglass entry doors significantly outperform wood due to their superior resistance to intense UV exposure and extreme temperature swings. While wood is prone to warping, cracking, and splitting during our state’s frequent freeze-thaw cycles, fiberglass maintains its structural integrity with minimal thermal expansion.

Here is how fiberglass compares to wood for high-altitude performance:

  • Superior Insulation: Fiberglass doors offer an R-value typically between 5 and 7, which is more than double the R-value of most wood doors (typically 2-3). This directly translates to lower heating and cooling costs for your home.
  • UV and Sun Resistance: At high altitudes, the sun is much more intense. Fiberglass doors feature factory finishes that resist fading, whereas wood requires frequent resealing or painting to prevent damage from UV rays.
  • Durability and Maintenance: Fiberglass does not rot, swell, or succumb to insect damage. A fiberglass door has an average lifespan of 30-50+ years with minimal maintenance, compared to 15-25 years for wood, which requires diligent upkeep to prevent decay.

As a local design-build firm, we ensure your installation meets regional performance expectations and building codes. Let us help you get your project started with a custom quote that accounts for your specific site conditions.

Note: Estimates are preliminary and subject to change after site inspection and a full scope review. Project outcomes and timelines may vary based on site conditions, permitting, material availability, and unforeseen issues. Please consult a licensed contractor for definitive advice; verify licensure with the Colorado Department of Regulatory Agencies (DORA).


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