M-D 71464 Backer Rod, 3/8 in Dia, 20 ft L, Polyethylene, Gray

Non-absorbent, closed-cell polyethylene pre-caulking material helps repel moisture. Use before caulking to fill gaps and openings larger than 1/2 x 1/2 in. Prevents 3-point bonding.

Manufacturer: M-D
Model Number: 71464
UPC: 043374714647