Facade windows

PVC windows in the P-Line system

P-Line windows are characterised by excellent technical properties. They are manufactured exactly according to your requirements and offer many configuration opportunities, for example a wide selection of veneers. They are also extremely simple to maintain and offer an attractive price to quality ratio. The new P-Line window system ensures even better thermal insulation thanks to its modern, multi-compartment structure.

PVC windows in the P-Line system
PVC windows in the P-Line system


  • Pleasant atmosphere at home: Special compartments guarantee the highest thermal insulation parameters and cozy mood.
  • Long life. Thanks to the material resistant to weather conditions and the high quality fittings you will be able to enjoy the windows for years to come.
  • Maintenance-free and easy to take care of: Smooth surfaces are extremely easy to clean and do not require maintenance works.
  • Improved security: Already as a part of the basic features. Optionally available up to class RC2.
  • Thanks to the new thermal welding technology, visible profile seams in PVC windows are a thing of the past. Dobroplast offers PVC windows of visual quality comparable to wooden windows.

P-Line window structure

1. P®Perfect

The latest welding technology: P®Perfect

P-Line window structure

2. Modern compartment structure

Profiles created according to the newest computational methods ensure: the best thermal insulation, optimal stabilization of the profile and high load capacity even with heavy glazing.

P-Line window structure

3. Resilient seals

Three circumferential seals made of durable, flexible high quality material guarantee constant and excellent window quality despite passage of time and reliable protection against draught and damp.

P-Line window structure

4. Excellent sound protection

Installation depth 80mm with a standard middle seal guarantee excellent sound protection.

P-Line window structure

5. More light

Thin profiles and narrow middle section ensure high light transparency and transfer of solar energy.

P-Line window structure

6. Wide selection of connectors

Specialised connectors guarantee optimal installation in any situation - on the construction site and during repairs.

P-line facade windows | Dobroplast







Convincing parameters

Thermal insulation 1)
Uf to 0.94 W/m2K 2) Uw up to 0.72 W/m2K 3 5
Acoustic insulation 3)
single sash window (1.23 x 1.48 m)
according to EN 14351/1
Resistance to wind loads
up to class 9A, according to EN 12208
up to class 4, according to EN 12207
Basic safety, RC 1 N, RC 2 N, RC 2
Where to buy?

Where to buy?

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