Preparing Montreal Buildings for Salt Season: Floors and Entrances
Start before the first frost, not after
Most buildings we see get caught off guard. The calcium chloride goes down on the sidewalks in late October, and suddenly the lobby floor is taking a beating the matting was never set up to handle. By the time anyone calls about it, there’s already a white haze ground into the stone or a dark traffic lane worn into the carpet near the door.
The right time to get your entrance and floor protection sorted out is right now, in early fall, before the wet weather locks in. That window between September and mid-October is genuinely useful, and a lot of buildings let it pass without doing anything.
What matting setup should be in place before salt season starts?
Three feet of matting at the entrance isn’t going to cut it once Montreal gets into a real winter. The general rule in the industry is about ten to fifteen feet of total mat coverage at each main entrance, because that’s roughly how long it takes foot traffic to scrape and dry off the bottom of a shoe. A person walking in from a salted sidewalk in January needs that much distance to stop tracking moisture and grit into the building.
The way most well-run buildings handle it is with a two-stage setup. A coarser, scraper-type mat goes right at the exterior threshold to knock off the heavy stuff. Then a higher-capacity moisture-absorbing mat handles the rest inside. Both need to be sized properly for the width of the entry, not just dropped in because they came with the building.
Rental mat programs from linen suppliers can work, but pay attention to how often those mats get swapped. A saturated mat in February stops doing anything useful and can actually make the floor underneath worse by holding moisture against it. In high-traffic entrances, mat rotation typically needs to happen more frequently than a standard weekly linen cycle can provide.
How often should entrance areas and lobby floors be cleaned once wet weather begins?
This is where a lot of buildings underestimate the problem. Cleaning frequency that worked fine in August isn’t going to hold up from November through March. The load on the entrance is just different.
For lobby floors and entrance areas in a busy commercial building, many properties move to at least one dedicated daytime service during peak winter months. That might be a day porter walking the entrance and elevator lobbies on a set rotation, or it might be a scheduled midday cleaning on top of the regular nightly service. What makes sense depends entirely on the building’s foot traffic, the type of floor, and what the cleaning scope of work actually covers.
Hard floors in particular show dirt faster in winter than in summer. Salt residue dries to a white film quickly, and once it gets ground in by foot traffic, it takes real work to get out. Catching it early in the day is much easier than dealing with it at 11 pm when it’s been walked over for twelve hours.
How do you protect hard floors and carpet from salt and calcium chloride?
For hard floors, the finish itself is what stands between the salt and the floor material. A worn or thin floor finish gives the calcium chloride somewhere to bite. Over more than six decades working in Montreal buildings, we’ve watched marble, terrazzo, and VCT take serious damage when the finish was allowed to get thin going into winter. Keeping a good finish in place before the season starts is one of the most practical things a building can do.
Carpet is a different problem. Salt and calcium chloride don’t just sit on top of carpet fibres; they work down into the base of the pile and the backing. Regular vacuuming helps, but once the salt is in there and the carpet has gotten wet repeatedly from tracked-in snow, you’re dealing with residue that vacuuming alone won’t fully clear. Hot water extraction before the season and again mid-winter is a common approach in buildings that want to protect carpet life and keep indoor air quality from deteriorating.
Encapsulation cleaning between full extractions can help maintain appearance between deeper services. It’s not a replacement for extraction, but it’s a practical way to stay ahead of buildup in a busy corridor or reception area.
When should you schedule floor refinishing or deep carpet extraction before winter?
For hard floor refinishing, aim to have it done before the end of October. Once the salt season is actively underway, you’re refinishing floors that will immediately take a hit again. Getting it done in September or the first half of October means the new finish has a chance to harden properly and start the season in good shape.
For carpet extraction, a pre-winter deep clean in October is standard practice in buildings that run a serious maintenance program. If the carpet hasn’t been extracted since spring, it’s already carrying several months of dry soil and particulate that’ll behave badly once moisture starts tracking in. A pre-season extraction sets a clean baseline. Some buildings then schedule a second extraction mid-season, typically in January or February, depending on how the carpets are holding up.
Don’t wait until March to think about this. By March, you’re repairing damage. In October, you’re preventing it.
How do you set up a cleaning program that holds through fall and into spring?
The buildings that come through a Montreal winter in the best shape are the ones where the cleaning scope was set up to account for the season, not adjusted after the fact. That means having a conversation with your cleaning provider now, in September, about what changes when the weather changes.
A few things worth looking at specifically: Are entrance mats being changed often enough? Is there daytime coverage for the lobby during peak traffic hours in winter? Is the floor finish in good condition, or does it need to be stripped and refinished before October? Is carpet extraction scheduled before the season starts?
These aren’t complicated questions, but they don’t get asked often enough until something looks bad. Building a winter-ready cleaning program is mostly about being deliberate in fall, not reactive in January.
At Can-Jan Inc., we have kept Montreal buildings clean since 1961. Reach out to talk about your property.
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