+48 56 493 64 19


 +48 56 493 64 19



Our offer includes a sale of cardboard formats with different properties and compositions:

  • grained solid cardboard
  • 2W cardboard
  • 3-layer cardboard
  • 5-layer cardboard

Grained solid cardboard

This is a recycled paper in rolls or sheets with a weight of 125-1250g/m2, which obtaines the insets during the production process and thanks to it becomes more elastic and flexible. This kind of cardboard has a very wide use. Our customers use it to cushion the nesting containers for chicks and to interlay the layers of plates, cups, etc. in the china factories. Grained cardboard is a great packaging material, because, thanks to its flexibility, allows it to be adapted to the packaged product. 

2W cardboard

This is a 2-layer cardboard paper (the flat layer and the corrugated one). Its grammage is about 300g/m2. It is perfect for securing the layers of goods, but not only. It is using in everyday life, for example during the painting and repair works as the perfect protection from floor's scratches. 

3-layer cardboard

This is a 3-layer cardboard paper (two flat layers and the corrugated one). The 3-layer cardboards include:

  • corrugation E
  • corrugation B
  • corrugation C 

We have a very wide range of products of varied grammage. What is very important, our cardboards possess the quality certificates and are regularly subjected to a medical check-up.

5-layer cardboard

This is a 5-layer cardboard paper (three flat layers and two corrugated ones). The 5-layer cardboards include:

  • corrugation BC
  • corrugation BE


Ask about product : Paperboards

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‘KOWALK’ Production-Commercial-Service Plant
A. Kowalski, H. Kowalski Registered Company 

Przemysłowa 3 str. 
87-321 Bartniczka

You will find us: Bartniczka, kujawsko-pomorskie region

The scope of activity: the whole Poland

The main scope of activity: Brodnica, Toruń, Bydgoszcz, Grudziądz, Iława, Nowe Miasto Lubawskie, Olsztyn, Ostróda, Włocławek, Płock

Office till 4:00 p.m.:

     tel. +48 56 493 64 19

     tel./fax +48 56 493 66 47

Phones after 4:00 p.m.: 

+48 602 252 531; +48 602 252 501




Kowalk Sp. J. 1993 - 2022

Design and implementation 

All rights reserved.