Rapid Joint® Lightweight Setting Compounds are lightweight sandable chemically setting powders used to prefill joints, embed joint tape and conceal joints, fasteners and trim accessories on gypsum wallboard. They can also be used for interior patching and repair. They are ideal for heavy fills because they are specially formulated to harden with very little shrinkage in a prescribed time frame. Setting times are available from 20 minutes to 210 minutes.
Lightweight
Sandable when dry
Low shrinkage
Setting time 20 Minutes
