Window Inspection — Failed Seals, Drafts, and Water Infiltration

I'm crouching on the front porch of this beautiful two-story on Queen Street in Bramalea, running my hands along the door frame, when I feel that telltale sponginess that makes my heart sink. The homeowner's standing right behind me, probably wondering why I'm spending so much time on what looks like a perfectly fine front door. But after 15 years of inspections, I know that this soft wood around the threshold is going to cost them way more than they think. The rain stains on the concrete below tell me everything I need to know about what's been happening here every time it storms.

You'd be amazed how many people focus on the big-ticket items during a home inspection and completely ignore the front door. I get it. You're thinking about the roof, the furnace, maybe the electrical panel. But that door? It's your home's first line of defense against everything Ontario weather throws at it.

And trust me, our weather throws a lot.

I've inspected over 2,400 homes in Brampton and the surrounding areas, and I'd say 60% of the exterior door issues I find could have been prevented with basic maintenance. The problem is, most homeowners don't realize what they're looking at until it's too late. That slight gap at the bottom of the door that you barely notice? By next spring, you're looking at water damage, mold remediation, and a complete door replacement that'll run you $3,240 for a decent quality unit, plus installation.

What I find most concerning about door inspections isn't the obvious stuff. It's not the door that's clearly warped or the one with the broken glass panel. It's the doors that look fine from ten feet away but are failing in ways that'll cost you serious money down the road.

Take weatherstripping, for instance. I was at a house on Williams Parkway last month, gorgeous place, probably built around 1995. The door looked pristine. Fresh paint, solid wood, beautiful hardware. But when I ran my hand along the weatherstripping, half of it crumbled away like old rubber bands. The buyer was planning to move in during April 2026, right when we get those heavy spring rains. Guess what that door would have done to their hardwood floors?

Door alignment is another thing buyers always underestimate. You know that door that sticks a little when you close it? The one where you have to give it that extra push or lift the handle slightly? That's not character. That's a $1,850 repair waiting to happen, because that misalignment is putting stress on the hinges, the frame, and the locking mechanism.

I see this constantly in these 1980s and 1990s builds throughout Heart Lake and Springdale. The houses have settled over the decades, and the doors haven't kept up. The frame shifts just enough that the door doesn't sit properly anymore. Most people adapt to it. They learn the little trick to get it to close. But what they don't realize is that every time they force that door, they're making the problem worse.

Hardware inspection is where things get expensive fast. I'm not just talking about a squeaky hinge you can fix with some WD-40. I'm looking at the entire locking system, the hinges, the door handle assembly, even the strike plate alignment. Last week I found a front door in Bramalea where the deadbolt wasn't engaging properly with the strike plate. Looked fine, turned fine, but it was only catching about half the bolt. The homeowner had no idea their security was compromised.

But here's what really gets me. The door sill and threshold inspection. This is where I find the problems that make me want to call the buyer immediately. Water damage doesn't announce itself. It starts small. Maybe there's a tiny gap between the door and the threshold. Maybe the caulking around the sill has separated just slightly. You don't notice it until you're looking at $8,420 in floor repairs and possible mold remediation.

I remember this one inspection on Main Street, beautiful home, everything looked perfect. But I always check the threshold from both sides, inside and outside. From outside, it looked fine. But when I went inside and pulled back that little area rug by the front door, the hardwood was starting to cup. The subfloor felt soft. What looked like a minor door issue from the outside was actually a water intrusion problem that had been going on for months.

The surprising thing about door inspections is how often the problem isn't actually with the door itself. It's with the installation. These 1990s builds, especially, I see doors that were installed incorrectly from day one. The rough opening wasn't properly sized, or the shims weren't placed correctly, or the flashing wasn't installed properly. The door might have functioned fine for twenty years, but now the house has settled, the seasons have taken their toll, and suddenly you've got gaps, drafts, and water intrusion issues.

Buyers always ask me about energy efficiency, and honestly, a properly functioning door makes a bigger difference than most people realize. Those gaps and drafts I find during inspection? They're not just comfort issues. A door that doesn't seal properly can add $200 to $400 to your annual heating and cooling costs. Multiply that over the time you'll own the house, and suddenly that $2,100 door replacement starts looking like a smart investment.

In my opinion, door inspection is one of those things that separates a thorough home inspector from someone who's just checking boxes. Anyone can see a broken window or a cracked door panel. But finding the subtle signs of water damage, the early indicators of hardware failure, the alignment issues that'll become major problems? That takes experience and time.

I always tell my clients that a good exterior door should last 20 to 30 years with proper maintenance. But here in Brampton, with our freeze-thaw cycles, our heavy rains, and our hot summers, that door is working hard every single day. It deserves more attention than most people give it, and when it starts to fail, it fails fast.

Don't let a door inspection be an afterthought in your home buying process. I've seen too many buyers move in and then discover these issues when it's too late to negotiate. If you're buying in Brampton, make sure your inspector takes the time to really examine every exterior door, not just glance at it on the way to the next big item.