Flat Boxes

 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 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 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 Platinum 10" 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...

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...