Flat Boxes

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...

Professional-Grade Design – Perfect for finishing coats and achieving smooth, even seams on drywall and sheetrock. Easy Clean System – Simple removable door and quick-flush design make cleanup faster and less messy at the end of the day...

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

Columbia 8" Fat Boy Drywall Flat Finishing Box holds 30% more mud than the standard Columbia 8" Flat Box. It works great for running the first coat on flat joints and butt seams.  With 30% more mud, you can go longer distances without having to fill it...

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...

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...

Columbia 10" Fat Boy Drywall Flat Finishing Box holds 30% more mud than the standard Columbia 10" Flat Box. It works great for running the first coat on flat joints and butt seams.  With 30% more mud, you can go longer distances without having to fill it...

Columbia Drywall Taping Tools 7” Hinged Flat Box is the perfect sized box for base coating taped seams.  This new 7" Columbia box has many new improvements including the "No Swell" rubber gaskets, pivoting axle, and aluminum wheels with integrated...

The TapeTech QuickBox® QSX 8" Finishing Box features double the capacity of the original 6" QuickBox. Using fast-setting joint compound to cover the joint tape has never been easier or more worry-free. The QuickBox® is the first and only...

With the Columbia 10" Fat Boy Boxes you can hold 30% more mud compared to the standard flat boxes.  This box will also fit all major brands of flat box handles.  The inside track boxed feature the wheels mounted on the inside of the side plates.  This...