4-1/2 gal. Pail R-100 Ready-Mix All-Purpose Joint Compound | APM5

Magnum's R-100 All-Purpose Ready-Mix Joint Compound contains less air, comes factory pre-mixed, and has a low shrinkage rate compared to other compounds. R-100 has more open time and features less tool drag. This 3-1/2 gallon box will finish 450 square feet of gypsum panels.

• Less air than other compounds
• Factory premixed
• Excellent adhesion
• Low shrinkage
• More open time/Less tool drag