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Frost King C21H Caulk Saver
Frost King C21H Caulk Saver, 3/8 in W x 20 ft L, Polyfoam , Gray
Our Price: $2.79

Poly foam caulk savers are used behind caulks to fill wide cracks and save on caulk.
Frost King C22H Caulk Saver
Frost King C22H Caulk Saver, 1/2 in W x 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.
M-D 71464 Backer Rod
M-D 71464 Backer Rod, 3/8 in Dia X 20 ft L, Polyethylene, Grey
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". Prevents 3-point bonding.
Frost King C23H Caulk Saver
Frost King C23H Caulk Saver, 5/8 in W x 20 ft L, Polyfoam , Gray
Our Price: $3.99

Poly foam caulk savers are used behind caulks to fill wide cracks and save on caulk.
M-D 71480 Caulk Backer Rods
M-D 71480 Caulk Backer Rods, For Gaps & Joints, 1/2 In. x 20 Ft.
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". Prevents 3-point bonding.
M-D 71506 Backer Rod
M-D 71506 Backer Rod, 5/8 in Dia X 20 ft L, Polyethylene, Grey
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". Prevents 3-point bonding.
Sika 108130 Caulk Backer Rods
Sika Corporation 108130/MD65318 Closed Cell Backer Rod, Gray
Our Price: $6.99

Use to partially fill deep cracks or joints before applying sealant. 3/4" closed cell. To be applied to 1/2 in. width joints and below.
Quikrete 6917-42 Backer Rod
Quikrete 6917-42 Backer Rod, 3/4 in W x 20 ft L, Polyurethane
Our Price: $7.59

Use to insert into a joint to control sealant depth, to create a backstop, allow proper sealant tooling, allow proper sealant wetting of the joint surfaces and use as a temporary seal.
Quick R BR58060 Caulk Backer Rods
Quick Rod BR58060 Closed Cell Caulk Backer Rod, 5/8 in Rod 60 ft L
Our Price: $12.99

Use before applying caulk on new construction or remodeling. For walls, floors, trim, sidewalks, windows and doors. Closed-cell.
Quick R BR38120 Caulk Backer Rods
Quick Rod BR38120 Closed Cell Caulk Backer Rod, 3/8 in Rod 120 ft L
Our Price: $12.99

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