Civil Engineering

BAK has an extensive range of welders and extruders for use across a wide range of civil engineering tasks alongside the best in test equipment for welding seam quality assurance, all tested and used in some of the most extreme conditions.


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  • BAK MiOn

    BAK MiOn wedge welder 120V

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  • BAK RiOn Digital hot air welder 120V/1600W

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  • BAK RiOn hot air welder 120/230V

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  • BAK TestOn Tensiometer with Memorycard and Printer

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  • BAK TestOnTensiometer Mini Digital

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  • Wedge welder type BAK-Comon

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BAK MiOn wedge welder 120V

Product Description

Every bitumen roof system in the range has been designed for maximum efficiency and effectiveness, providing excellent outcomes for all flat roofing projects:

  • High quality
  • Excellent longevity
  • Highly puncture resistant
  • UV/water resistant
  • Economical
  • High stability
  • Cold temperature flexibility
  • Highly versatile

Key Features

Liquid applied roofing systems provide a cost-effective, flexible, high quality waterproofing solution for a wide range of flat roofs and surfaces. 

Our polyurethane liquid flat roofing systems provide the highest level of efficiency and effectiveness of application, combined with a 15 year to 25 year guarantee for added peace of mind.

Designed for ease of use, speedy application and a high quality, durable finish, our System THX and THX+ systems are suitable for use on flat roofs, terraces, balconies; bridge decks, podiums, overpasses and the refurbishment of old membranes.

Our liquid systems are manufactured in line with UK and European standards.