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Inside waterproofing will stop water from entering into your finished basement, allowing you to enjoy a dry living space, but there will always be a little bit of water trapped behind the membrane. That will over a very long time deteriorate your walls, leading to problems.
Using the wrong insulation and vapour barrier after an interior waterproofing solution is installed can mean you run the risk of condensation building up, which could mean mould behind your walls.
We like to call this the “mould sandwich”.
A mould sandwich is when you have two waterproofing impermeable layers, like a waterproofing membrane and vapour barrier, that doesn’t let moisture escape, allowing your rock wool insulation to become saturated, which will turn to mould.
There is actually a very simple solution.
After interior waterproofing is complete, all you have to do is have it spray foamed during the refinishing of your basement.
Spray foam becomes its own vapour barrier, which eliminates that mould sandwich. Instead of having two waterproof membranes you get a continuous membrane, as the foam sticks to the waterproofing membrane and seals and insulates.
Many area homes have a very close proximity to each other and the only way to protect these homes is to install interior waterproofing.
The average cost to finish a basement is around $50,000. That is why in this scenario it is very important to have your basement waterproofed prior to spending this kind of money.
If a basement is finished with drywall, for example, and a leak occurs, not only does all the drywall have to be redone but also the flooring, baseboards, and everything else, so that all the mould can be removed.
Make sure a waterproofing solution is installed prior to refinishing your basement. A water-damaged basement would normally cost an additional $20,000 to $30,000 to repair.
Interior waterproofing ranges from $65 to $125 per foot. The determining factors are concrete thickness, height of the basement, amount of footage, commercial or residential, and accessibility.
The best way to find out how much a project like this would cost is to give Canada Waterproofers North York a call so we can give you a free onsite assessment.
Insurance companies are great for many things, but if you mention to the insurance adjuster there was prior seepage or leaking after your basement gets flooded, which includes window wells, a cracked foundation that leaks, or a sump pump failure, then you’re on your own. They won’t help you.
Give your insurance company a call to add extra coverage so that you can be more protected.