Flat Boxes

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...

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...

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...

The North Star 8" Flat Box holds more mud, requiring fewer trips to the pump, compared to 7" boxes.  Smooth running and ready to go right out of the box.   Factory arced trowing bar makes this ready to go right out of the box New easy clean door...

The NorthStar™ 10" Flat Finisher Box is a **top choice among drywall professionals**, delivering **exceptional control and precision**. Unlike other flat boxes that require a **break-in period**, this one is **ready to roll right out of the box**—which...

Columbia Drywall Taping Tools 8” Flat Box is the perfect sized box for base coating taped seams.  This new 8" Columbia box has many new improvements including the "No Swell" rubber gaskets, pivoting axle, and aluminum wheels with integrated o-rings.  The...

Columbia 12" Fat Boy Drywall Flat Finishing Box holds 30% more mud than the standard Columbia 12" 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...

The Columbia 12" Drywall Flat Finishing Box is a high-quality tool for quickly and efficiently finishing drywall surfaces. Made from durable materials, this finishing box is built to withstand frequent use and delivers consistent results every time. Its...