Windows & Doors Installation & Service in Burlington, Ontario

"Could not be happier with our front entrance glass inserts! Graydon was fantastic to deal with right from the..."

"John worked so efficiently, and was able to advise me on the best screen to use for my household with multiple pets...."

"Jeff and Matt installed 6 new windows in my home. They were friendly, courteous and clean. The installation went..."

"Great service and selection at a fair price. Also, the staff were honest and trustworthy - which is hard to find..."

"Professional, courteous and did a great job replacing all the windows in my home as well as a sliding glass..."

"Everyone was very informative and professional from start to finish. The products are of very high quality and we got..."

"Our front door lock failed and I called Gem who installed the front door years ago. Jim the owner within a few..."

"Excellent product, price and service. Have used them 3 separate times for over 30 windows and consistently well done...."

"Three workers showed up and once they got the van up my steep driveway (my fault should have salted), six windows..."

"This Brock doors & windows has very bad service from the start of installation date and delivery arent punctual Kept..."