Frost King® C22CP Poly Foam Caulk Saver Bulk Contractor Pack, 1/2′ Diameter x 250-feet Long

Frost King Caulk Saver reduces the amount of caulk you need to fill or seal large openings. Made of durable, resilient poly foam, it works with virtually every type of caulk and sealant. Designed for use behind caulks to fill wide cracks Made of polyetylene vinyl material for durability Suitable choice to fill 1/2-inch gap

• Frost King Caulk Saver is made from moisture repellent poly foam to form a backer rod and fill large gaps before using caulk to seal
• Bulk pack contains 250 feet of caulk saver
• Saves on expensive caulk 
• Works with virtually all caulk 
• Moisture repellent 
• Made of durable, resilient poly foam 
• Easy to use and install