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Frost King C21H Caulk Saver
Frost King C21H Caulk Saver, 3/8 in Dia, 20 ft L, Polyfoam, Gray
Our Price: $3.49

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
Our Price: $3.99

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 C22H Caulk Saver
Frost King C22H Caulk Saver, 1/2 in Dia, 20 ft L, Polyfoam, Gray
Our Price: $4.29

Poly foam caulk savers are used behind caulks to fill wide cracks and save on caulk. more info
M-D 71480 Caulk Backer Rods
M-D 71480 Backer Rod, 1/2 in Dia, 20 ft L, Polyethylene, Gray
Our Price: $4.59

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
M-D 71506 Backer Rod
M-D 71506 Backer Rod, 5/8 in Dia, 20 ft L, Polyethylene, Gray
Our Price: $4.99

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
Our Price: $4.99

Poly foam caulk savers are used behind caulks to fill wide cracks and save on caulk. more info
FOAM ROD F/GAP&JOINT 1INX10FT
M-D 19100 Caulk Backer Rod, 10 ft L, Foam, Gray
Our Price: $6.99

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
Our Price: $7.99

Use to partially fill deep cracks or joints before applying sealant. 3/4 in closed cell. more info
Quikrete 6917-42 Backer Rod
Quikrete 6917-42 Backer Rod, 3/4 in Dia, 20 ft L, Polyurethane
Our Price: $9.99

Quikrete? backer rod is a rod foam rope used to partially fill large cracks, gaps and joints before applying sealant. Use for horizontal and vertical applications. more info
Quick R BR58060 Caulk Backer Rods
Quick R BR58060 Backer Rod, 5/8 in Dia, 60 ft L
Our Price: $19.99

Use before applying caulk on new construction or remodeling. For walls, floors, trim, sidewalks, windows and doors. Closed-cell. more info
   
 
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