M-D Building Products Caulk Backing Foam
*Color: Gray
*Material: Foam
*Product Type: Caulk Backer Rod
*Application: Door and Window
*Length: 350 ft.
*Thickness: 3/8 in.
*Packaging Type: Boxed
*Hardware Included: No
*Self Adhesive: No
*Pro Pack
* For small gaps
* Fills gaps and openings to prevent drafts
* Provides a sound surface for caulking projects
* Saves on caulk usage