What Is The Window Installation Process From Start To Finish?

So, you’ve noticed a breeze sneaking through your closed windows. Maybe your energy bills are climbing, or your old frames look sad. Either way, you’re probably wondering how actually to get new windows in your home. That’s where a window installation service in Surrey BC, comes in to save the day.

Before you dive in, though, you probably want to know what the window installation process is like from beginning to end. That’s a smart question. Because once you understand each step, you can avoid stress, delays, and surprises.

In this post, we’ll walk through the full process—from prepping your space to sealing the final edge. You’ll get all the answers you need, learn what to expect, and know what to look out for. Let’s get right into it!

Step 1: Prepping For Window Installation Service

First things first—you can’t install windows without choosing the right ones.

Before anything else, your window installation service will help you pick your style. Whether it’s double-hung, casement, or bay, they’ll guide you based on your space and budget. Once that’s done, they’ll take super-precise measurements. After all, even a tiny error can create big problems later.

Next, you’ll schedule your installation day. Because windows aren’t small, you’ll also need to prep your space ahead of time.

So, here’s what to do:

• Move furniture out of the way.
• Take down blinds or curtains.
• Cover the floors with tarps.

After that, make sure there’s a clear path for installers to move in and out. Additionally, check the weather. Since outdoor work is involved, rainy days can push things back.

Quick Tip: Don’t forget to remove wall décor near the window. Vibration from tools can knock things down.

Ultimately, a clean, prepped area makes everything smoother.

Step 2: Removing the Old Window 

Once everything’s ready, it’s demo time.

At this point, a window installation service in Surrey BC, will remove the old window, sash, and maybe even the full frame—especially if you’re doing a full replacement. Because this part involves saws, pry bars, and drills, it can get loud.

However, here’s where you might hit your first pain point:

• Danger: If there’s rot, mold, or bugs, you might need repairs before continuing.
• Old walls may be cracked or damaged behind the frame.
• Poor insulation from previous installs might show up.

For this reason, always stay around while this part happens. If problems come up, you’ll want to know immediately.

Suggestion: Ask your crew to inspect the area once the window is out. Fixing damage now is way easier than patching it later.

Step 3: Inspecting and Preparing the Opening

Once the window is out, the frame must be prepped.

So, what’s next?

First, the team will inspect for structural issues. If there’s water damage or rot, they’ll address it before moving on. Then, they’ll check if the opening is level and square. If not, they’ll add shims or supports to balance things out.

Because windows must be perfectly straight, this part is super important. Otherwise, your window could stick, leak, or sag.

After everything is level, the crew applies flashing tape and waterproof materials. These create a barrier so water can’t sneak into your walls.

Fact: Most leaks start here if flashing is skipped or poorly done.

That’s why this step needs total attention. Every little gap can lead to big problems.

Step 4: Setting the New Window in Place

Now comes the most exciting part—installing the new window!

Once the frame is ready, the new unit is carefully placed into the opening. Then, installers adjust it until it’s perfectly centered. Next, they secure it with screws through the sides.

After that, they check the operation. Does it open and close smoothly? Does it lock easily? If not, they’ll tweak it until it does.

Then, it’s time for insulation. Because air gaps cause drafts, they’ll use foam or fiberglass around the edges.

Warning: Avoid super-expanding foam. It can bulge the frame out of shape. Ask your team what type they use.

Finally, any exterior trim or cladding goes on before moving indoors.

Step 5: Interior Finishing Touches 

With the outside almost done, it’s time to wrap up inside.

To begin with, by searching for a “custom door installation near me,” the installers will replace or reinstall your trim. Caulking goes around the edges to make everything look seamless.

However, there’s a common frustration: messes.

Some crews forget to clean up. Dust, tools, and old caulk bits might get left behind.

Suggestion: Make sure cleanup is included in your quote. You shouldn’t have to vacuum up someone else’s work.

Because many trims come primed but unpainted, you might also need to do a little painting afterward. So, plan if you want it to match your room right away.

Step 6: Exterior Sealing and Weatherproofing

At this point, your window’s installed—but we’re not done yet.

Now, the crew moves outside again. They’ll seal the window frame with high-grade caulk. This keeps water, bugs, and cold air out.

Then, they double-check the edges. If any gaps are visible, they’ll fill them or apply extra flashing.

Quick Tip: Ask what type of caulk they use. Silicone lasts longer than latex and won’t shrink as fast.

Because weatherproofing is your home’s first line of defense, this step must be done right. Sloppy sealing? That leads to leaks later.

Step 7: Final Walkthrough and Inspection

Now, it’s time to make sure you’re happy.

The installer will walk you through each window. They’ll show how to operate locks, screens, and tilt-in features. Then, they’ll explain how to clean and care for them.

After that, they’ll hand over warranty info and documentation. These include energy ratings, service contacts, and maintenance guides.

Before they go, test everything yourself. Open every window. Lock it. Tilt it. Close it again.

Because once they leave, fixing little things takes more time.

Step 8: Aftercare And Long-Term Maintenance With Door Supplier 

You’ve got new windows—congrats!

But, like anything in your home, they need care.

So, here’s how to keep them working perfectly:

• Clean the tracks every 3 months.
• Check seals twice a year.
• Re-caulk if you see any cracking.
• Don’t use harsh cleaners on the glass.

Here’s a quick table for easy tracking:

Task	How Often	Why It Matters
Clean window tracks	Every 3 months	Keeps function smooth and dirt-free
Check caulking	Twice a year	Prevents air/water leaks
Lubricate locks	Once a year	Prevents jamming or sticking
Inspect glass	Every 6 months	Spots cracks or moisture buildup

Because you hired a trusted door supplier in Vancouver BC, you’ve set yourself up for long-term comfort and energy savings.

Conclusion

So, what’s the full window installation process from start to finish?

First, you prep your space. Then, the old window gets removed. After that, your opening is cleaned, prepped, and leveled. Next, your new window is installed and insulated. Then, both the inside and outside are finished and sealed. Finally, you get a walkthrough and long-term care tips.

Every step matters—and skipping even one can cause headaches. That’s why working with a knowledgeable team at BVS Windows & Doors Ltd is so important.

All in all, great windows change everything—from your energy bills to your home’s look. So, don’t wait. Get the right team, trust the process, and enjoy the fresh view.