The 3/8 in. x 240 in. Backer Rod is ideal for filling gaps. The backer rod is recommended for use in filling large gaps and openings to prevent drafts. The backer rod also provides a sound surface for caulking projects.

• Brand Name: M-D
• Color: Gray
• Material: Polyethylene
• Product Type: Caulk Backer Rod
• Application: Gaps and Openings
• Length: 20 ft.
• Thickness: 3/8 in.
• Self Adhesive: No
• Hardware Included: No
• Packaging Type: Bagged