Multistage Quality Control

Multistage
Quality Control

25-year color change and deformation guarantee

25-year color change
and deformation guarantee

Sound, heat and dust resistant

Sound, heat and dust
resistant

color 1 color 2 color 3 color 4 color 5

hofmann Laboratory


At each stage, Hofmann products are tested by the Quality Control Unit in the Hofmann laboratory.

  • Testing color, color stability and gloss of profiles in the laboratory
  • Testing the profile strength by falling (drop) weight impact tester
  • Thermal reversibility of profiles to resist against heat and cold
  • Tensile and impact strength tests
  • Testing appearance changes of profiles at 150 ̊C
  • Profile weldments and angles

Hofmann Certificates


Hofmann Latest blog content

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What’s the Importance of Window Guards?

What’s the Importance of Window Guards?

Securing your windows offers numerous benefits. It can help prevent them from shattering during natural disasters, providing you with greater peace of mind and a heightened sense of security. Additionally, properly securing your windows can deter theft and enhance the safety of children in your home. Overall, investing in window security is a prudent measure that addresses both practical and psychological needs.
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What Are the Cons of uPVC Window Frames?

What Are the Cons of uPVC Window Frames?

Are you planning to replace your old windows and install double-glazed uPVC windows? it's important to have information about this window model. In this article, we will discuss the potential problems that can arise with uPVC window frames.
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How Are Double-glazed Windows and Doors Manufactured?

How Are Double-glazed Windows and Doors Manufactured?

Are you acquainted with the process of manufacturing double-glazed doors and windows? Double-glazed doors and windows are highly utilized and well-liked today because of their numerous benefits. However, crafting this type of door and window necessitates the use of specialized technologies and a suitable workshop space.
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What Is the Best Way to Seal Double-glazed Windows?

What Is the Best Way to Seal Double-glazed Windows?

Double-glazed windows offer effective insulation against both sound and heat in buildings, thanks to their unique structure. The quality of the double-glazed glass is crucial in minimizing energy loss, and it largely depends on the type of raw materials used in its production. With high-quality materials, energy loss can be reduced to zero.
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