Water is the peril your policy divides up the most, and the one it is fussiest about.
Fire gets the attention. Water is the one that gets argued about. A commercial property policy treats water as several different perils, and buying one of them does not buy the others. Which ones you hold is decided by a short list on your declarations page.
Start a quote file Read the short answer firstA pipe that bursts is usually covered.
Water arriving from outdoors is not, by default.
Backup through the drains is its own item.
Does commercial property insurance cover water damage?
Some water, not all of it, and the differences are larger than the word suggests. Water escaping suddenly from a pipe or a tank inside your building is normally covered by a standard policy. Water that arrives from outside, whether it runs across the ground in heavy rain or rises from a watercourse, is a separate item that has to be added. Water backing up through drains and sewers is a third item again, with its own limit and often its own deductible. The Insurance Bureau of Canada describes commercial property in two basic shapes. A named perils policy pays only for what is listed. An all risk form is a “policy that covers loss or damage caused by any peril, unless specifically excluded”. Either way it is the list and the exclusions that decide, not the word water. Read the Insurance Bureau of Canada on types of business coverage (opens in a new tab).
Geography is why this matters here. The Lower Mainland is low, flat, wet and heavily paved, and the two water perils that are optional on most policies are the two that setting makes most relevant to a building in this province.
When you are reading your own policy, do not ask whether water is covered. Ask where the water came from. Inside the building and sudden is one answer. Across the ground from outside is a second. Up through the floor drains is a third. Slow seepage over weeks, or a maintenance problem you knew about, is generally not insured under any of them, because insurance answers sudden and accidental loss rather than deferred repairs. Four different answers, one word, and the declarations page tells you which of them you bought. Standard commercial property wordings typically exclude damage from sewers and drains backing up unless the cover has been added. If your policy does not name sewer backup, assume it is not there and ask.
Each one is a separate line on the policy.
Escape of water
A pipe, a tank, a sprinkler head or an appliance line lets go inside the building. This is the one most standard policies already answer. Watch for conditions about maintaining heat and about buildings left empty or shut down for a stated number of days, because those are where a valid claim gets argued.
Sewer and drain backup
Water coming back up through drains, floor drains or a sump that fails. It is bought separately, it usually carries its own limit and its own deductible, and on a building with any occupied lower level it is the item worth checking first. A backwater valve is often asked about and sometimes required.
Overland water
Surface water running across the ground and entering the building in heavy rain or a rapid melt. This is a newer and still optional item in this market, availability depends heavily on where the building sits, and how it lines up with flood from a river or the sea depends on how your wording defines each of them.
The income side
Every one of these can shut a building for weeks while it dries and gets rebuilt. Whether your business interruption section responds depends on whether the water peril that caused it was insured in the first place. Cover the peril and forget the income, and you have insured the building but not the business.
Three illustrations, not client files. Each turns on where the water came from.
The building nobody was in
A supply line lets go while the premises are shut for a seasonal closure. The peril is covered. The dispute is about the wording’s conditions for property left empty or shut down, and about the heat that is turned off to save money. The lesson is that the water perils carry more conditions than most sections of a property policy.
The parking lot that drains inward
A downpour sends surface water across the lot and into the building. Nothing inside the building fails. The escape of water section does not engage, because no water escaped from anything, and overland water was never added.
The stain that has been there a while
A roof lets water in slowly for a long time and the damage is found during other work. Standard property wordings exclude gradual damage and wear, not as a trap but because the alternative is insurance paying for maintenance. The claim that would have been paid was the sudden one, had anyone looked earlier.
The ones that come up after a wet week.
Is flood the same as overland water?
Not necessarily, and the words are defined differently from one wording to the next. Some treat surface water and the overflow of a river or lake as one flood peril, some split them, and storm surge from the sea is usually different again. Read the definition rather than the title, and ask about each by name rather than asking about flood and assuming you covered it.
We are on an upper floor. Does any of this apply?
Escape of water very much does, and it can arrive from the floor above yours, which is somebody else’s plumbing and your damage. Sewer backup and overland water matter less the higher you are. Tenants on upper floors should read two liability lines: tenants legal liability, which covers the space you rent and is sometimes written for fire only, and your general liability, which is the section that would respond if you were found responsible for damage to the units below.
Will a backwater valve change what I can buy?
Often yes. Insurers ask about them, some require one before offering sewer backup cover, and some price it differently. It is a small piece of plumbing that changes what is available to you, so it is worth knowing whether the building has one before the conversation rather than during it.
What does the insurer expect us to do over a shutdown?
Commonly that heat is maintained, that water is shut off or systems drained where that is practical, and, where the insurer has added a shutdown or vacancy condition, that the building is checked at stated intervals. These appear as conditions rather than suggestions. Read them once at the start of winter and put them into the building routine.
How do I know if my limits are enough?
Sewer backup and overland water are usually sub-limits rather than the full building sum insured, which means the number can look adequate on the page and be small next to a wet lower level. Compare each sub-limit against what that part of the building would cost to strip and rebuild, not against the value of the whole property.
Two that decide what a wet building costs you: how long business interruption keeps paying and replacement cost or actual cash value.
Not the question you had? Send your declarations page and the question with it through the quote file and you will get a written answer.
Find the water items before the forecast does.
It is four lines on one page. Knowing which of them you hold takes minutes and changes what a wet winter costs you.