Replacement Windows and Doors Manufacturer and Installer

We Manufacture. We Install. You Save!

Since Steve Mastrorillo founded Clera Windows + Doors by FM Industries in 1978, we’ve been known for our quality replacement windows and doors and for our excellent customer service. We custom manufacture your vinyl windows and doors to your exact requirements and specifications in our factory in Vaughan, Ontario. Our certified quality program ensures that you get a top-notch installation from our own installers, many of whom have been with us for more than 20 years. With Clera Windows + Doors, there's no middleman, just straight talk and an honest approach.

Experience four decades of quality and tradition for yourself.

Best of Homestars and Top Choice Award Winner

A HomeStars award highlights companies whose customers have sung their praises over the course of the year. Based on reviews from customers, the HomeStars sort algorithm defines the BEST of each market and industry every year.
Read our client reviews