4in. Closed Cell Foam Backer Rod - 54 LF

Standard Backer Rod is an extruded closed cell, round polyethylene foam material with skin-like texture. Compatible with with butyl, polysulfide,

Tondiamo Caulk Saver Foam Backer Rod for Gaps and Joints Backing Concrete Filler Rope, Gray (5/8 Inch x 100 Ft) - Yahoo Shopping

Sika 3/4 in. x 20 ft. Closed Cell Backer Rod, Expansion Joint Polyethylene Foam 108130 - The Home Depot

Backer Rod, Grip Strip™, and Log Gap Cap™ – Sashco

Backer rod is an ideal non-absorbent compressible backup material inserted into a joint to control sealant depth. This creates a backstop to allow proper sealant tooling and proper sealant of the joint surfaces. Backer rod can also be used as a temporary joint seal.

Mutual Industries 1/4 in. x 4000 ft. Closed Cell Backer Rod

Foam Backer Rod - Neoprene - Expansion Control Joint

Foam Backer Rod - Neoprene - Expansion Control Joint

CRL Black Open Cell Backer Rod 1-1/2 Diameter [175 ft.] - B0CBR112 – Home Hardware Solutions LLC

Frost King 9-ft x 2-in x 1/4-in Black Rubber Foam Garage Weatherstrip in the Weatherstripping department at

JOINT FILLER WITH A PURPOSE — This sika foam backer rod partially fills joints and cracks due to concrete expansion, and to enable flexibility in the

Sika - Polyethylene Foam - Closed Cell Backer Rod (Gray) - to Fill Joints and Cracks Before applying sealant - Water-Resistant, Flexible - 3/4