Plasterboard joint tape is a building material used to reinforce and conceal the seams between sheets of plasterboard. It can also be used to repair cracked or damaged plasterboard walls and ceilings.
Joint tape is commonly used in the finishing stages of installing plasterboard by tradespeople such as plasterers and tapers and jointers. However, it can also be used by DIYers who prefer to carry out such tasks themselves.It is sometimes referred to as drywall tape, drylining tape, jointing tape or scrim tape.