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M-D

5/8-Inch x 150-Foot Gray Foam Backer Rod for Gaps and Joints

Mfg.#
71552
Sku#
5198767
  • Foam gap filler for small gaps and joints
  • Fills gaps and openings to prevent drafts
  • Provides a sound surface for caulking projects
  • Cut to desired length with scissors

* Estimated stock levels as of Sat, Mar 14, 2026. All items subject to prior sale. Prices may vary between stores and online. Please call ahead to confirm availability of items marked as Limited Stock.

Description

The M-D Backer Rod provides a base for caulking to prevent caulk waste in deeper, larger gaps or joints. Backer rod can also fill gaps to protect the home against drafts, moisture, dust and insects. Can be used in both indoor and outdoor applications. Before installation, cut to desired length by using scissors.

Specifications

General

Color Family Black / Gray
Indoor/Outdoor Indoor/Outdoor
Material Made of closed-cell foam
Type Weatherstriping

Dimensions

Length 150 ft
Thickness 5/8 in
Width 5/8 in

Manufacturing Details
The following information is subject to change without notice

Prop 65 Warning Warning WARNING: This product can expose you to chemicals including Ethylene Oxide, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

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