Flat Boxes

The Platinum Flat Finishing Box automatically dispenses the proper amount of joint compound and feathers the edges of butt joints and flat joints in one pass. The Platinum Finishing Box helps produce professional results every time. The adjustable crown...

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...

  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 exclusively for...

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 Platinum 8" Flat Finishing Box is designed to automatically apply and feather joint compound, delivering professional-grade results with minimal effort. Whether you're working on butt joints or flat joints, this box ensures a consistent, smooth...

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 10" Drywall Flat Finishing Box is the most common selling size of flat box for the first coat, in the US market.  It works great for running flat joints and butt seams.  Easy open door plate makes for very easy clean up and will fit on all major...

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...