Bak Laron H (High Speed)


The fastest roof welder on the market! Choose your optimum welding speed anywhere between 1 – 20 m / minute – that’s up to 65 feet/minute!

BAK Laron H

The fastest roof welder on the market!  BAK Laron H is the best choice for big job sites. You can choose your optimal speed anywhere between 1-60 ft/min for all kinds of roofing membranes and tarpaulins.

  • World's fastest automatic heat welding machine
  • For welding of roofing membranes and tarpaulins
  • Wrinkle-free welding
  • Welds standard TPO up to 15-20 m/min
  • Digital display of temperature and speed
  • Automatic drive start system
  • Adjustable airflow


  • Comparable to the Leister Varimat
  • Robust, Efficient, and Cost-Effective
  • Automatic startup system
  • Ideal weight distribution for smooth welding
  • Brushless drive motor
  • Digital Display
  • Adjustable Handle
  • Filtered Air
  • Fewer circuit boards
  • Easy Maintenance
  • 25' Line cord


  • Voltage (VAC) : 230 / 400
  • Frequency (Hz) : 50 / 60
  • Power (W) : 4600 / 5700
  • Temperature (ºF) : 68 - 1148
  • Welding speed (f/min) : up to 65 ft/min
  • Dimensions (LxWxH) : 25 x 16 x 14
  • Weight (lbs) : 80



  • Danger to Life: Unplug the tool before opening it as live components and connections are exposed.
  • Danger of fire and explosion: Incorrect use of the automatic welding machine can result in fires and explosions.  Especially near combustible materials and/or explosives gases.
  • Danger of burns: Allow the tool to cool down
  • Use Grounded Sockets: Connect the tool to a socket outlet with a protective earth conductor. Any interruption of the protective earth conductor within or outside the tool is dangerous! Use only extension cables with a protective earth conductor.
  • Match Voltage: The voltage rating stated on the tool should correspond to the mains voltage.
  • RCCB: We strongly recommend connecting the tool to an  RCCB (residual Current Circuit Breaker) before using it.
  • Do not leave the tool unobserved: Heat may reach inflammable materials that are not visible or obvious.  This tool must not be unattended with children or people with limited physical sensory or mental ability around.
  • Protect the device from damp and wet! This will void your warranty as the tool is susceptible to be wet.



SCOPE OF WARRANTY: The warranty starts from the date of purchase for 1 year.  Covers any manufacture defects and breaks that are not from natural wear and tear or from misconfiguration. SCOPE LIMITATIONS:

  • Aftermarket accessories
  • Damage caused by improper use
  • Damage caused by fire, misuse, theft, lighting, water, electrical surges, or any acts of God.
  • Damage from negligence, abuse, misuse, alterations, or lack of maintenance.
  • Damage caused by rust, foreign material or corrosion due to exposure to moisture
  • Cosmetic imperfections and/or normal wear
  • Heating elements
  • Product used in rental service



BAK - leading hot air welders manufacturer.  They build both hand and robot welders

Additional information

Weight80 lbs
Dimensions24.4 × 15.7 × 12.5 in


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