Jones Stephens 1 Lb. White Oil Oakum, 3/8 In. Dia x 9 In. – 27 In. Strands

Twisted jute packing specially treated to expand when wet to provide watertight joints. Prevents root penetration but allows moisture to pass through to activate high swelling inorganic additive. Will not rot and meets or surpasses all municipal and federal codes and specifications.