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06/10/25

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Internal Structure of PVC Profile

Basic Profile Structure

PVC profile is a complex engineering construction consisting of several functional elements. Externally, it appears as a smooth plastic beam, but internally, it contains a sophisticated system of components.

Main Structural Elements

Metal Reinforcement — steel frame inside the profile:

  • Provides structural rigidity
  • Prevents deformation
  • Metal thickness: 1.2–1.5 mm
  • Shape: P-shaped or G-shaped

Chamber System — air cavities inside the profile:

  • Number of chambers: from 3 to 6 or more
  • Insulates heat loss
  • Improves sound insulation
  • Creates a barrier between the external environment and the room

Functional Components

Drainage System includes:

  • Condensation drainage holes
  • Moisture removal channels
  • Protective caps

Sealing System ensures:

  • Structural tightness
  • Protection against drafts
  • Sound insulation

Design Features

External Elements of the profile:

  • Decorative coating
  • Mounting surfaces
  • Hardware attachment points

Internal Components:

  • Separating walls between chambers
  • Reinforced elements
  • Attachment nodes

Operating Principle

Thermal Insulation is provided by:

  • Multi-chamber structure
  • Air layers
  • Quality reinforcement

Structural Strength is achieved through:

  • Steel frame
  • Proper load distribution
  • Quality connection of elements

When choosing a profile, it is important to pay attention to the number of chambers, wall thickness, and reinforcement quality, as these parameters determine the window’s durability and performance characteristics.

 

 

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