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Frost King C21H Caulk Saver
Frost King C21H Caulk Saver, 3/8 in Dia, 20 ft L, Polyfoam, Gray
Retail Price: $3.53

Poly foam caulk savers are used behind caulks to fill wide cracks and save on caulk. more info
Frost King C22H Caulk Saver
Frost King C22H Caulk Saver, 1/2 in Dia, 20 ft L, Polyfoam, Gray
Retail Price: $4.07

Poly foam caulk savers are used behind caulks to fill wide cracks and save on caulk. more info
M-D 71464 Backer Rod
M-D 71464 Backer Rod, 3/8 in Dia, 20 ft L, Polyethylene, Gray
Retail Price: $4.39

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. more info
M-D 71480 Caulk Backer Rods
M-D 71480 Backer Rod, 1/2 in Dia, 20 ft L, Polyethylene, Gray
Retail Price: $4.74

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. more info
Frost King C23H Caulk Saver
Frost King C23H Caulk Saver, 5/8 in Dia, 20 ft L, Polyfoam, Gray
Retail Price: $4.92

Poly foam caulk savers are used behind caulks to fill wide cracks and save on caulk. more info
CAULK SAVER POLY FM 3/4INX15FT
Frost King C24H Backer Rod, 3/4 in Dia, 15 ft L, Poly Foam, Gray
Retail Price: $5.85

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. more info
CAULK SAVER POLY FOAM 1INX10FT
Frost King C25H Backer Rod, 1 in Dia, 10 ft L, Poly Foam, Gray
Retail Price: $6.31

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. more info
M-D 71506 Backer Rod
M-D 71506 Backer Rod, 5/8 in Dia, 20 ft L, Polyethylene, Gray
Retail Price: $6.59

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. more info
FOAM ROD F/GAP&JOINT 1INX10FT
M-D 19100 Caulk Backer Rod, 10 ft L, Foam, Gray
Retail Price: $8.25

M-D Caulk Backer Rod, 10 ft L, 1 in H, Foam, Gray more info
Sika 108130 Caulk Backer Rods
Sika 108130 Backer Rod, 3/4 in Dia, 20 ft L, Gray
Retail Price: $10.10

Use to partially fill deep cracks or joints before applying sealant. 3/4 in closed cell. more info
   
 
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