Mark I Series Bending Brake

NEWMark I Series™

The Reputable, Portable Aluminum Bending Brake designed for Siding, Windows, Door and Trim.

  • Features the easy-to-use, dependable, superior cam-locking system
  • Bends up 180° Hems for complex bend profiles
  • Engineered to perform 3 ⁄ 4" bend for traditional J-Channel pockets
  • *Model shown with the optional TrimFormer™, TrimCutter™, CoilDispenser™, and UniStand™
    Made in the USA

    Features & Benefits

    Hover ⁄ click for product features.

    Locking Handle Power Lock Bar Cam Locking System Military Grade Aluminum Casting Dual Support Base Rails POWERslot Hinge Bending Handle

    1. Locking Handle

    Full loop locking handle with high density foam cusion grips secure locks by pushing handle away from user. This allows handle to not interfere with material when bending larger pieces. Has quick release handles for easy transportation.

    2. Power Lock™ Bar

    Provides stronger clamping pressure along entire bending edge for crisp, clean bends without oil canning⁄ warping.

    3. Cam Locking System

    Van Mark has engineered the most effective and practical method for locking material on a bending brake. This patented design consists of an Aluminum Cam with a Ultra High Molecular Weight Polyethylene wedge.

    4. Military Grade Aluminum Castings

    Each clamping station uses TWO Military Grade Aluminum Castings. The dual castings provide a strong and solid clamping pressure. This design has been time-tested and endured.

    5. Dual Support Base Rails

    All Van Mark brakes come standard with TWO full base rail extrusions that provide a solid foundation. Inhibits twisting and torqueing while bending.

    6. Traditional Hinge

    Durable hinge that "auto-measures" 3 ⁄ 4" hem with ease. This hinge design provide increase bending strength.

    7. Bending Handle

    Full loop bending handle with high density foam cusion grips connects a 2-4 integrated contact points allowing for straighter, more even bends with one hand operation. Ideal for bending and hemming full length (8ft +) pieces.

    Powerlock bar
    Power Lock Icon

    Power Lock™ Bar

    Provides stronger clamping along the entire bending edge for crisp, clean bends without oil canning, or warping.
    Increased Bending Radius
    Increased Radius Icon

    Full 150° bending radius

    Makes the second step of "hemming" to 180° even easier
    old casting vs new casting
    Strong But Light Icon

    New Stronger yet Lighter Castings and Pivot Arms

    Our new castings and pivot arms are 5% lighter yet 10% stronger than our original. Adds life to the casting and produces more precise bends.
    The original Mark I Series™ was introduced in 1983 and has established Van Mark as one of the most innovative companies for the siding and roofing industry. The launch of the Mark I Series™ introduced the Cam-Locking system and offered contractors a durable and virtually maintenance-free material locking method. The current version of the Mark I Series™ allows the same performance and longevity as the previous versions; and now includes the ability to use accessories like the TrimCutter™ and TrimFormer™. Versatile in its ability to perform various complex bending profiles with ease. Go from bending simple flashing to intricate outside corner posts without making any adjustments to the bending brake.

  • POWERlock™ provides a strong clamping without need for adjusting when changing material.
  • Traditional hinge system to "auto-measure" 3 ⁄ 4" hem, great for fitting over standard “One by” lumber and siding.
  • Increased bending radius simplifies hemming & over-bending resulting in faster, easier operations.
  • Available in lengths of 2’0", 4’6", 6’6", 8’6", 10’6", and 12’6".
    Model Line:
    Mark I Series
    Throat Depth:
    Hinge Type:
    Traditional Hinge Click here to learn more
    Stand Options:
    Sold seperately; Click here for Stands
    1 Year

    2'0" (0.61 m)
    2 ea.
    32 lbs (14.5 kg)
    4'6" (1.37 m)
    3 ea.
    63 lbs (28.6 kg)
    6'6" (1.98 m)
    3 ea.
    83 lbs (37.7 kg)
    8'6" (2.59 m)
    4 ea.
    101 lbs (45.9 kg)
    10'6" (3.20 m)
    5 ea.
    120 lbs (54.4 kg)
    12'6" (3.81 m)
    6 ea.
    153 lbs (69.5 kg)
    * dual bending & Locking handles

    Maximum Thickness
    Aluminum (3003H14)
    Galvanized Steel
    29 ga.
    Painted Steel (Grade D)
    29 ga.
    Roofing Copper
    24 oz. soft
    .032" soft
    Stainless Steel (304L)
    29 ga.
    * Capacities are based on standard metal properties for coil & sheet. Please contact our factory for capacities on your specific material.

    1 Year Manufacturer's Limited Warranty

    Van Mark Products Corporation warrants this product against defects in material or workmanship for or a period of 1-year from the date of original purchase. For details, click here.




    PDFParts List
    PDFBending Guide

    For Sales Literature on our Brakes and Accessories, see our Media Package page