Cement Board Drywall Joint Tape

I ve use fiberglass drywall tape before and this tape seems to be easier to use than others.

Cement board drywall joint tape.

Gray cement board tape 2 in. Run the drywall knife over the mortar to create a smooth finish and remove any excess material. Push the mortar through the mesh tape and into the 1 8 inch space between the backer board and the drywall. Apply a length of mesh style self adhesive drywall tape lengthwise over each of the seams that are between the drywall and the cement board rolling the sticky side of the tape out along its length and pressing it firmly to the surface with your palm.

I cracked the corner of the cement board while cutting it see pic and this tape is the perfect fix. Cement board tape is a patented alkali resistant fiberglass mesh tape and the only tape that should be used for cement applications with dry or thin set mortar. Mesh cement board tape. Tape and mud the joints.

Very adhesive and very easy to cut with household shears. Mix thin set mortar according to the manufacturer s instructions and apply a thin coat over the fiberglass tape with a drywall knife. Screw the drywall to the studs. Mix more thin set mortar and cover the taped joints with a thin layer using a drywall knife similar to mudding drywall joints.

This self adhesive tape is made from the same vinyl coated fabric that is embedded in the face of some cement boards to give the board added strength and crack resistance. This video transition between cement board and drywall joint or how to tap drywall and cement board joint or tapping cement board and sheetrock shows the tra. Spread joint compound over the length of the tape with a 6 inch drywall knife. Roll alkali resistant self adhesive.

Cover all of the corners joints and seams including the joint where drywall and cement board meet with the fiberglass mesh tape. Complete the job by piecing in any missing drywall and taping the seams. Apply cement board joint tape to all of the joints between sheets adhering the tape with its self adhesive backing.