Compound Applicators

The Columbia Inside 90 Applicator is designed to work with a corner box or compound tube.  It has 3 holes for mud output and can be used in both directions.  The Derlin wheels help the tool run smoothly against the wall surface.  The body is made of...

  Introducing the Columbia 4" Flat Applicator Head, a versatile and reliable tool designed to streamline your drywall finishing projects. Crafted with precision and built to last, this applicator head is a must-have for professionals and DIY enthusiasts...

Proportionate grooves give you a consistent mud distribution on the wall and speeds up the pre-filling process. Made out of UHMW, the strong durable design makes these Mud Heads the best on the market.

Columbia's L-Trim Mud Head has proportionate grooves give you a consistent mud distribution on the wall and speeds up the pre-filing process. Made out of UHMW, the strong durable design makes this Mud Head the best on the market.  Comes with an extra...

Columbia's Inside 90 Degree Mud Head has proportionate grooves give you a consistent mud distribution on the wall and speeds up the pre-filing process. Made out of UHMW, the strong durable design makes this Mud Heads the best on the market.  Comes with a...

The Columbia Inside 4 Wheel Corner Applicator is machined from solid aluminum billet. They are very accurate and their Delrin wheels glide along the wall. Offered in two and four-wheel designs.

Columbia Inside Corner Applicators are all machined from solid aluminum billet. They are very accurate and their Delrin wheels glide along the wall. Offered in two and four-wheel designs.

Columbia External 90 ° Applicators are all machined from solid aluminum billet and are used to apply joint compound to outside 90-degree angles.  Simply attach it to your compound tube, corner box or Mudrunner. They are very accurate and their Delrin...