What are the maximum dimensions of windows and front door WITHOUT an impost?

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Can you please advise – what are the maximum dimensions of these items can be produced in companies with a guarantee and WITHOUT the impost, given that neither on the profile (in terms of thickness and reinforcement), nor on the insulating glass (glazing, triplex, etc.) are not looking for a compromise?

1) Deaf window with lamination on both sides.

2) Front door with lamination on both sides

3) Front door, double leaf, hinged, laminated on both sides.

P. S. Is aluminum profile a replacement for PVC in terms of thermal conductivity and equal to it in price or not?

Answers

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 There are certain limits within which it is recommended by the system integrator to make products.

1. Not more than 5 m2 in area, provided that neither side is larger than 2500 mm. *

2. 1000 x 2250 mm *

greater height will require reinforcement 2.5-3.0 mm (will only bring to order and expensive)

3. 1800 x 2250 mm *

*Thickness of glass used increases

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Frame size 950x2150 is a time-tested maximum. Which will work and for which you can get a warranty.

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I have a balcony without an impost on the frame.

850x2200mm and the first year, I got tired of adjusting them (really, maybe the house was moving. Wood)

The entry one is also 850x2200, it's easier.

You know, huge "lobes" aren't very user friendly either. I wouldn't make it bigger than 900x2250.

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