ᐅ Patio Door: Maximum Fully Functional Width?

Created on: 31 Oct 2017 19:25
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Christian NW
Hello everyone,

We are building a house, and the floor plan includes only floor-to-ceiling windows, basically just patio doors. This applies to all rooms, both on the ground floor, the upper floor, and also in the living room.

They are made of uPVC, triple-glazed, and specified in the structural drawings with dimensions of 112.5 cm width by 252 cm height (44.3 inches by 99.2 inches). When you account for the floor build-up, the doors are still 112.5 cm by 251 cm (44.3 inches by 98.8 inches).

So these are really large doors that will be used constantly. Standing open for long periods, left in a tilted position, and so on...

Here are our concerns:

Such large doors must be quite heavy. Will they withstand continuous, heavy use over several decades? Or would it be better to go back to 100 cm width (39.4 inches)?

Has anyone here had experience with this type of door and long-term usage?

Manufacturers even offer widths up to 120 cm (47.2 inches), but their quality claims are often too optimistic, aren’t they?

We would really appreciate your help and experiences.

Thank you,
Christian
11ant2 Nov 2017 13:03
Christian NW schrieb:
If we move the sliding door to the dining area, wouldn’t it look oddly arranged from the outside? Or is the current design impractical?

It was just an alternative—different, not better.
Kaspatoo schrieb:
I would make the two individual patio doors by the dining area and couch fixed elements. No one will ever walk through them except a burglar.

I agree on the seating corner side, but for ventilation or quickly slipping through to grab some kitchen herbs, I find a hinged door more practical than always having to use the sliding door. I consider sliding doors with tilt functions to be avoidable design flaws and prefer to have a separate tilt-and-turn element.
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A
Alex85
2 Nov 2017 15:51
I am disregarding the building elevations and instead suggest leaving the sliding door in the middle, painting the glass in the living area completely, and placing the TV cabinet against this exterior wall. Then position the sofa along the bottom of the plan (currently where the TV cabinet is) and along the right wall. Advantages: no sunlight on the TV, a view of the garden from the sofas, and, of course, a cost saving by eliminating the door.

Doors on all sides mean, if they are to be usable, corresponding dead zones for walking paths, both inward and outward. Especially in this example, I find the large sliding door in the center of the room more than sufficient to reach the outside.
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Christian NW
12 Nov 2017 13:20
I would like to revisit the topic of the maximum practically achievable width for patio doors, without encountering weight or other related issues.

There are already some good comments here.

But is there anyone with long-term experience with a 112cm (44 inches) wide triple-glazed patio door?
11ant12 Nov 2017 17:34
Christian NW schrieb:
Is there anyone with extensive experience with a 112 cm (44 inches) wide triple-glazed patio door?


Call it a "front door," and there are thousands of people with that kind of experience. As the head of a company that manufactured windows for over 40 years, I am not aware of a single warranty issue or a significant increase in service calls related to an extra 12.5 cm (5 inches) in width for a patio door. Perhaps in about 3.14 cases per million patio doors something like that might happen. Seriously, what sort of building physics risk increase do you expect?

I see no reason to even consider shortening the warranty period or rejecting an order if someone wanted to order patio doors this wide.

Even doors of jewelry stores have never caused anyone to be injured or dislocated an arm when opening or closing them. And you’re presumably only talking about standard insulated glazing, right?
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