Fall is the useful window between a summer of grime and the cold that follows. For a storefront or a commercial building, it is the right time to clean the glass, inspect the seals, and close up any gaps before freezing weather turns small problems into expensive ones. A draft that is a minor annoyance in October is a heating bill in January, and a tired seal left alone will fog the unit once the cold sets in. Here is a practical fall checklist for commercial glass and windows.
Why fall is the right time
The shift into fall brings the two things glass likes least at once: more moisture and a wider daily temperature swing. Add the leaves, dust and pollen that settle over the season, and you have the conditions that find every weak point in a window. The reason to act now rather than in midwinter is simple economics. A gap in the perimeter seal lets heated air leak out and your costs climb, and trapped moisture works at the edge seal of a sealed unit until it fails. Both are far cheaper to catch in the fall than to repair when it is freezing and the problem has spread.
Clean the glass and frames properly
Start with a proper clean, because grime hides the early signs of damage. Use a pH-neutral, ammonia-free commercial glass cleaner; ammonia can damage window tint, Low-E coatings and some frame finishes over time, and abrasive pads scratch. Go easy on vinegar and other acids as well, especially on coated or tinted glass and near any stone, where they can dull or etch the surface. Clean on a cool day or in shade so the cleaner does not flash-dry into streaks. Do not stop at the glass: wipe down the frames and tracks, and clear the weep holes at the base so water drains away instead of pooling against the seal. For high storefront glass, a water-fed pole or a professional clean is far safer than balancing on a ladder.
Inspect the seals, caulk and weatherstripping
This is the step that protects your heating bill. Walk the perimeter of each window and door and look at the caulk and weatherstripping for cracks, gaps or sections that have pulled away. Replace failed caulk, and renew worn weatherstripping, whether foam, a V-strip or felt, so cold air is not finding its way in. While you are there, check for condensation between the panes, which is not a cleaning problem but a sign of a failed sealed unit, and the sooner that is dealt with the better. Sealing up before the freeze is the single most cost-effective thing on this list.
Spot damage early
Fall is the time to find the small stuff before the cold makes it worse. Look over each pane for chips, cracks, deep scratches, cloudy or fogged units, and frames that are soft, swollen or out of square. Storefront glass takes knocks from foot traffic, deliveries and weather, and a chip or a failing seal found now is a planned repair rather than an emergency replacement in the middle of winter. Surface cleaning and minor touch-ups are within reach for most staff; cracked panes, failed seals and anything structural are worth handing to a glass professional.
Consider energy-efficient glass before the freeze
If your windows are old, single-pane, or starting to fail, fall is a sensible time to upgrade rather than nursing them through another winter. The features that pay off are a Low-E coating, an argon fill and a warm-edge spacer in a double or triple-pane unit, which cut heat transfer and drafts. Look for the ENERGY STAR rating, administered in Canada by Natural Resources Canada, where a lower U-factor and a higher Energy Rating mean better insulation for our climate. A Low-E coating also reduces the ultraviolet light that fades stock and interior finishes, and laminated glass blocks most of it. Clear, sound glass also shows your displays and lighting at their best heading into the busy season.
FAQs
Ready to get help with your glass issue?
Want your storefront glass checked before winter? Request a free quote for a fall inspection, reseal or glass upgrade. The team handles commercial glass and storefront work across Alberta. Call 310-GLAS (4527), text 780-652-1296, or book online.