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Interior Door Installation


Quick, Easy, And Affordable Interior Door Remodeling Services

Trusted Installers

Our in-house installation team is licensed, insured and have over 40 years of combined experience.

Quality Doors

We offer the most popular interior door styles available made by top Canadian manufacturers.

Affordable Financing

Unlock your dream project with exclusive financing offers and discounts.


Door Replacement Made Easy

Start With Your Free Initial Project Appointment

Call to schedule your initial 15-minute appointment. At this first meeting, we’ll measure your door sizes and/or overall closet space to prepare your project design.

Pick The Perfect Doors For Your Home!

Meet with a professional designer at our showroom to go over options and to custom design your project.

Get Your Doors Digitally Measured To Fit Right

Here’s where the magic happens. Our lead technician will use digital measuring technology to scan your doorways, capturing the unique dimensions of each opening.

Get Your Doors Installed By Our Professional Team

On the day of your installation, our professional team of installers precisely fit your doors and closets with little to no mess or fuss. We get in and out in just a single day.

Reach Out For Your Appointment, It's Free!


Find The Right Door For Your Home

Homeowners Choose Us For Our Award Winning Measure, Cut & Paint Process

We Digitally Measure All Your Doorways

This ensures your openings are accurately measured to within 1 millimeter around all edges.

We Robotically Cut Each Door To Size

Your doors are precision cut using robotic automated machinery to match the exact size of your digital measurements, ensuring the right fit.

We Factory Paint Your Doors

Your doors are first sanded, primed, and then painted with high grade Sherwin-Williams coating in our environmentally controlled painting center.

We Oven Cure Your Doors For Durability

Finally your doors are heat set and oven cured immediately after painting to ensure increased durability and a beautiful smooth finish.


Hear How We Install Interior Doors The Right Way

How Grinyer Installation Is Different
How Grinyer Installation Is Different
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Door & Closet Installation Done Right
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How Interior Doors Are Custom Finished
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Grinyer Interior Doors & Closets of Mississauga
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We've Served Over 2,500 Satisfied Ontario Homeowners

"A very solid customer experience from Grinyer Interior Doors & Closets. Mindful of noise & distraction to my neighbours their 1 day installation promise was a key feature in