Protecting Your Skylights from Ice and Heavy Snow Loads

December 17, 2025

When winter sweeps into Orangeville and the surrounding Ontario areas—like Caledon, Shelburne, Collingwood, and Wasaga Beach—residents brace themselves for snow-covered roofs and chilly winds. For homeowners with skylights, the beauty of natural daylight comes with an added responsibility: safeguarding those skylights from ice buildup and heavy snow loads. At Gold Standard Exteriors, we understand what it takes to keep your home cozy, efficient, and safe through even the toughest Ontario winters.


Why Winter Weather is Tough on Skylights


Ontario’s climate means months of snowfall, freezing rain, and fluctuating temperatures. Skylights, by design, sit flush on your roof and become prime points for snow and ice accumulation, especially during December storms or sudden thaws. This can lead to unwanted leaks, drafts, condensation, or even costly structural damage if not addressed proactively.


How Much Snow Can My Skylight Handle?


Skylights installed by professionals like Gold Standard Exteriors are built to withstand typical Ontario snow loads—often up to 20-30 pounds per square foot, depending on the model and installation method. However, no skylight is immune to the impacts of persistent ice dams or unusually heavy storms. If your roof has older skylights or past repairs have left vulnerabilities, problems are more likely to arise.


Essential Steps to Protect Your Skylight This Winter


To avoid mid-winter headaches, take these steps to protect your investment:


- Schedule a Professional Inspection: Before the snow truly sets in, book a roof and skylight inspection. Experts from Gold Standard Exteriors check for cracks, flashing issues, and weakened seals that could allow water entry.

- Clear Debris from Roof and Gutters: Fallen leaves, twigs, and old caulk can trap moisture around your skylight. A clean roof ensures proper water runoff during a melt.

- Check Insulation and Ventilation: Poor attic insulation or blocked vents cause warm air to rise and melt snow unevenly, leading to ice dams around the skylight.

- Install Additional Snow Guards or Diverters: These systems distribute snow more evenly and prevent dangerous roof slides or concentrated buildups around skylights.

- Monitor After Heavy Snowfalls: Heavy December storms in Orangeville and surrounding Ontario areas can add unexpected weight. Safely remove excessive snow from your roof using a roof rake, always starting from the edge and working up.


Bulletproof Tips for Skylight Winter Care


Adopting these smart maintenance habits will go a long way:


- Inspect for drafts or condensation inside after temperature drops.

- Use safe, non-abrasive tools to clear snow near the skylight (never chip at ice directly on the glass).

- Schedule prompt roof repairs if you spot stains, peeling paint, or leaks on ceilings near your skylight.


Can Ice Dams Cause Skylight Leaks?


Absolutely. Ice dams frequently form along the edges of Ontario roofs, creating pools of trapped water. If your skylight’s flashing wasn’t expertly installed or has deteriorated over time, this water can seep inside. Maintaining attic insulation and ensuring your eavestroughs and downspouts are unclogged are key—both services that Gold Standard Exteriors offers across Orangeville, Caledon, Shelburne, and nearby towns.


A Word on Holiday Decorations and Outdoor Safety


In December, homeowners often install festive outdoor lights and décor. When mounting decorations near your skylight, use hooks and clips designed for eaves, not for the skylight frame itself. This avoids unintentional pressure or scratches on the glass and seals, ensuring both holiday cheer and lasting skylight performance.


Stay Protected All Winter Long


Harsh Ontario winters don’t have to mean leaking roofs or damaged skylights. With proper inspections, preventative maintenance, and professional installation, your skylights will light up your home safely all season.


If you live in Orangeville or any of the surrounding communities—from Shelburne and Caledon to Collingwood and Wasaga Beach—reach out to Gold Standard Exteriors today. Let our decades of local experience keep your home bright, dry, and damage-free no matter what winter throws your way. Book a no-obligation skylight inspection or consultation now for true peace of mind this holiday season.


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