Winter Floor Care in Ontario: Salt, Slush and Dry Air

An Ontario winter attacks your floors from two directions. Salt and grit come in on boots and grind into the finish. The furnace dries the air until hardwood shrinks and gaps open between boards. Both are easy to manage if you start before the first snowfall.

Stop it at the door

Most of the dirt that damages a floor arrives through one door. A simple setup there protects the whole house:

• Two mats. A coarse scraper mat outside knocks off snow and grit. An absorbent mat inside catches the meltwater. Make the inside mat long enough for two full steps.
• A boot tray. Boots left on the floor sit in a puddle of salt water for hours. A tray with a raised edge keeps it contained.
• Check the mat backing on vinyl. Some rubber and latex backings react with vinyl flooring and leave a permanent yellow stain. Use mats labelled as safe for vinyl floors.
• Lift and dry. A soaked mat holds water against the floor. Hang it to dry every few days and wipe underneath.

Cleaning salt the right way

The white haze left by road salt is an alkaline residue. Dry, it is an abrasive. Wet, it dulls floor finishes and leaves a film that ordinary mopping just spreads around.

1. Vacuum or sweep first. Use a hard-floor setting with the beater bar off. Mopping over grit turns the mop into sandpaper.
2. Damp mop, never wet. Use a well-wrung microfibre mop and a pH-neutral cleaner made for your type of floor.
3. Rinse the mop often. Otherwise you are moving salt from one board to the next.
4. Skip the steam mop on hardwood and laminate. Heat and moisture forced into the joints cause swelling and finish damage.

Floor by floor

Dry air and hardwood gaps

Wood takes on moisture in humid air and gives it up in dry air. When the furnace runs all day, indoor humidity in an Ontario home can fall below 25 percent. Boards shrink, and thin gaps open between them. This is normal, and the gaps close again in spring.

It becomes a problem when the air stays very dry for months. Boards can crack, and the finish can split along the edges. The fix is inexpensive:

• Buy a digital hygrometer. They cost about as much as a pizza.
• Keep indoor relative humidity between 35 and 55 percent. Most hardwood warranties require it.
• Use a furnace-mounted humidifier, or a portable one in rooms with hardwood. In a cold snap, lower the setting if you see condensation on the windows.

Engineered hardwood moves less than solid hardwood, which is one reason it has become the more common choice here. Our hardwood guide explains the difference, and our hardwood maintenance tips cover year-round care.

A spring check

In April, look at the floor by the entry doors in good daylight. A dull patch means the finish has worn and the wood underneath is exposed to the next winter. Hardwood can be screened and recoated without a full sanding if you catch it early. Check the transition strips and shoe moulding at exterior doors too, since that is where meltwater gets underneath.

Common questions

Why does my hardwood floor have gaps in winter?

Furnace heat dries the indoor air and the boards shrink slightly. Small seasonal gaps are normal and close in spring. Keeping indoor humidity between 35 and 55 percent reduces them.

How do I remove salt stains from floors?

Vacuum or sweep up the dry grit first, then damp mop with a pH-neutral cleaner made for your floor, rinsing the mop often. Avoid soaking the floor and do not use a steam mop on hardwood or laminate.

Can rubber mats damage vinyl flooring?

Yes. Some rubber and latex mat backings react with vinyl and leave a yellow stain that cannot be cleaned off. Use mats labelled as safe for vinyl floors.