The biggest window in your house happens to be a door.
0% Financing For 72 Months
It's the wall your family room is built around, and right now it's a hot spot in July, a cold spot in January, and a two-hand shove year-round. A properly installed patio door fixes all three — and gives you back the light you stopped noticing.
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Four Parts Decide Whether You'll Still Like It In Ten Years
A patio door is 80% glass, opens and closes more than any door in the house, and sits at the low point where rain and snow collect. Get the glass, the track, the sill, and the lock right and it disappears into the room. Get any one of them wrong and you'll know by year four.
The Glass
On a patio door, the glass is the door. Low-E coatings with argon fill keep a west-facing room from baking in August and stop the January chill you feel from six feet away. Fogging between the panes means a failed seal — and a seal can't be repaired.
The Glide
Stainless rollers in a straight, level track, set on a header that's actually carrying the load. That's the difference between a door that opens with two fingers and one that needs a shoulder by year three. The screen rolls, too — we set it on the same visit. Add reaction
The Threshold
Patio doors sit where the water goes. A pitched sill and a properly flashed pan send driving rain back outside instead of under your flooring. It's the step you can't see, can't inspect later, and can't fix without pulling the door out again.
The Lock
A slider shouldn't be the soft spot in your house. Multipoint hardware engages the frame at several points instead of one thin latch, with anti-lift protection so the panel can't be popped out of the track. Laminated glass is available where you want more.
Frequently Asked Questions
Most patio doors go in inside a day, usually five to seven hours. They run a little longer than an entry door for the obvious reason: the units are wide and heavy, and they take two installers to set square. We pull the old door, check the header and sill for rot or settling, set and shim the new unit level, flash the sill, insulate the perimeter, and trim it out. If the opening is changing size, that's structural work and a different timeline — we'll say so at the estimate, not halfway through.
Space usually decides it. Sliding doors take zero floor space to operate, which is why they win in family rooms where furniture is already close to the wall. French doors swing, so you need three feet of clear floor on the swing side — but you get a full opening when both panels are open, and they read as a more traditional look. A few things people don't think about until later: sliders give you a screen that's always available, French doors need a retractable screen; sliders only ever open halfway; French doors have more hardware to keep adjusted. We'll walk your room and tell you which one fits the way you actually live in it.
Yes, certified for the Northern climate zone — the rating that applies at this latitude. On a patio door that matters more than on any other opening in the house, because you're looking at the largest single piece of glass you own. The practical version: the room stops being the one nobody sits in from two to five in the afternoon, and you stop feeling the cold radiating off the glass in winter.
Because there's less between the factory and your back wall. We buy direct, nobody earns a commission off your quote, and we don't publish a price built to be discounted in your kitchen at eight at night. One number covers the door, the labor, hauling the old unit, and the cleanup — and it's the same number next Tuesday.
What Homeowners Say
Jake McDonald Contractor I’m a contractor and purchased windows from the Window Source of New Jersey for the first time. I’m very pleased with the product. They supply high quality windows and doors with easy straightforward communication through the estimate and fabrication process. Provided quick, clean delivery with detailed and thorough installation. Certainly a reputable business with honest friendly ownership. I will continue to purchase my windows through them in the future.
Chris Gati Home owner The Window Source of North Jersey did an outstanding job on our new front door in Morristown, NJ. From the free consultation to the fast installation, everything went smoothly. The door is high-quality, secure, and energy-efficient, adding great value to our home. The crew was respectful, efficient, and cleaned up perfectly. Fantastic service—definitely recommend them!
Premier Industrial Home owner Dealing with the Window Source of North Jersey has been an absolute pleasure. The professionalism and knowledge of windows and doors was far better than anyone else we had visit us. We had the original windows and doors from our 1967 home, and they recommended the best product to fit our budget and keep the look consistent with the home. We would recommend the Window Source of North Jersey to anyone looking for window and door replacement.
