Basic
$708 – $1,417 each
White fiberglass horizontal slider with low-E double-pane glass, cam lock and screen on the operating sash, interior trim
Replace one standard-size fiberglass horizontal sliding window, installed.
Fiberglass Sliding Window in Portland, Maine typically costs $833 to $1,667 each as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Prices in Portland are 1.0% lower than the national average for fiberglass sliding window.
National average: $850 – $1,700 each
$708 – $1,417 each
White fiberglass horizontal slider with low-E double-pane glass, cam lock and screen on the operating sash, interior trim
$833 – $1,667 each
Fiberglass horizontal slider with low-E argon glass and warm-edge spacers, smoother rolling sash, tan frame, sealed
$1,042 – $2,084 each
Fiberglass horizontal slider with dark exterior color, low-E argon glass with grilles between the glass, rolling sash
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $371 – $742 | each |
| Labor | labor | $298 – $595 | each |
| Supplies & Other | supplies | $99 – $198 | each |
| Equipment & Disposal | equipment | $66 – $132 | each |
Connect with local fiberglass sliding window contractors in Portland for personalized quotes based on your specific project.