Flat Boxes

The High Capacity Drywall Master 8" specialty box is a workhorse.  Reduce the number of trips refilling your box with a high capacity flat finishing box

12" Optimo Drywall Flat Box - When You Need to Cover Some Serious Ground Go big or go home - this 12" powerhouse handles large surfaces like a champion. Creates flawless joints quickly and easily, distributing the perfect amount of mud for maximum...

10" Optimo Drywall Flat Box - The Goldilocks of Joint Finishing Not too big, not too small - just right for most drywall jobs. This 10" flat box creates flawless joints quickly and easily, distributing the perfect amount of mud on walls and ceilings...

The Drywall Master 5.5" specialty box is a workhorse.  It's a great box for coating tight areas but also can be used as a nail spotter.  

 The Columbia Automatic Flat Boxes reduce the need to push the compound on to the wall. By engaging, the box springs put pressure on the compound chamber requiring only a light push to operate the box. Well-built and fine-tuned to offer great flat joints...

The Drywall Master 12” standard flat finisher box features a quick release door latch for easier cleaning. Extra Strong Stainless Tie Rods hold the body together Other Available Box Sizes5”, 7”, 10” and 14”

The High Capacity Inside Track Drywall Master 12" specialty box is a workhorse.  Wheels are mounted on the inside of the box Reduce the number of trips refilling your box with a high capacity flat finishing box

The High Capacity Inside Track Drywall Master 10" specialty box is a workhorse.  Wheels are mounted on the inside of the box Reduce the number of trips refilling your box with a high capacity flat finishing box

Need a larger, stronger box with greater mud capacity for loading flats and butts?  We are proud to meet your needs with the Columbia 14" Flat Box.  This is the largest flat box available on the market today.  This box works great for floating butt...

  Introducing the TapeTech QuickBox® QSX 6.5" Finishing Box – your ultimate solution for effortlessly achieving flawless joint tape coverage with fast-setting compound. Never before has the process been so simple and worry-free. Designed...

Columbia 5.5" Drywall Flat Box is the perfect box for getting into those tight areas.  It will fit on all major brands of flat box handles.  Well-built and fine-tuned to offer great flat joints for years. We have been being told for years that our boxes...

  The TapeTech EZ15TT 15" EasyClean Finishing Box is the widest finishing box in the industry. It is the perfect tool for achieving the best finish by making the joint as wide as possible. For butt joints or uneven joints between panels, there is no...