Fort Collins homes built before 1980 in Old Town and around Colorado State University often have single-pane or early insulated skylights that fail when daytime swings from 20 degrees to 70 degrees stress the glass. Semi-arid air combined with cold nights accelerates seal failure and condensation between panes, especially on south-facing roofs near Horsetooth Reservoir where wind-driven dust adds abrasion. Replacement requires matching the existing curb height and flashing detail so water sheds properly during spring snowmelt.
We stock tempered and laminated options rated for 90 mph gusts common along the Front Range and low-E coatings that cut summer heat gain in Harmony and Prospect Park neighborhoods. When replacing glass we always inspect the curb for rot caused by prior leaks, a frequent issue in Downtown two-story homes where access is tight. Proper bedding with high-grade butyl tape and new counter flashing prevents the ice dam problems that appear every February in Larimer County.
Acrylic or polycarbonate panels are sometimes chosen for steep roofs near Loveland where hail is more frequent, but we default to glass on flatter installations because it resists UV yellowing better over ten-plus years. Every job includes removal of the old unit, vacuuming debris from the attic space, and a final water test before we leave the site.
Technician insight
In Fort Collins the thing that catches most people out with Skylight Glass Replacement is the rapid seal failure on south-facing units after our cold clear nights; older single-pane skylights in Old Town homes expand and contract enough to crack the original bedding within five winters.
Prospect Park Condensation Fix
Homeowner reported fogged glass and water stains after a January cold snap. We found failed seals on a 1985 insulated unit with no counter flashing. Replaced with low-E tempered glass, added new step flashing, and confirmed no further condensation after the next freeze.
Skylight Glass Replacement Services We Offer
✓Tempered Glass Skylight Replacement
Direct swap of broken or fogged tempered glass units sized to existing curbs in Old Town and Downtown homes.
✓Insulated Glass Unit Installation
Upgrade to dual-pane low-E insulated units that handle Fort Collins winter temperature swings without condensation.
✓Historic Home Skylight Glass Replacement
Custom-cut glass and flashing work for pre-1950 homes near Old Town Square while preserving original curb profiles.
✓Hail-Damaged Glass Replacement
Assessment and replacement of cracked skylight glass after Front Range hail events common near Windsor and Loveland.
✓Emergency Skylight Glass Repair
Same-day boarding and scheduled glass replacement for leaks threatening interiors in Prospect Park and Harmony.
Skylight Glass Replacement Cost in Fort Collins, CO
| Service | Typical Range | What Affects It |
|---|---|---|
| Standard Tempered Glass Replacement | $650–$1,100 | Most common size in single-story homes; price rises with custom cuts or second-story access. |
| Insulated Low-E Glass Upgrade | $900–$1,450 | Includes new spacers and argon fill; higher on steep roofs near Horsetooth Reservoir. |
| Historic or Custom Size Glass | $1,100–$1,800 | Requires shop fabrication; common in Old Town homes with non-standard curbs. |
| Curb Repair Add-On | $250–$600 | Wood replacement or flashing correction when rot is found during inspection. |
Ranges are typical for Fort Collins, CO and confirmed with an exact written quote before any work starts.
How it works
- 1
Site Inspection
Measure the curb, check flashing condition, and note attic access constraints typical in Fort Collins older stock.
- 2
Glass Selection
Recommend tempered, laminated, or low-E units based on roof pitch and exposure to cold nights and UV.
- 3
Removal and Prep
Remove old glass, clean curb, replace any deteriorated wood, and install new butyl tape bedding.
- 4
Installation and Test
Set new glass, reinstall flashing, and perform hose test to confirm no water entry during simulated snowmelt.
Pricing
Upfront quote after on-site measurement; final price depends on glass type, size, and any curb repairs needed.