Frost King - Moisture Resistance Poly Foam Caulk Saver Grey 2.54 x 305 cm

For efficient gap sealing and protection from moisture, this Caulk Saver is the perfect solution. Constructed from moisture-resistant gray foam, this rod provides an excellent base for your caulk while also preventing any ingress of water. The rod measures 2.54 x 305 cm, and will fit nearly all common size gaps, allowing for a smooth, professional finish to your caulk application.