M-D Building Products Yellow Fiberglass Insulation For Doors and Windows 4 ft. L x 1 in.

Application: Doors and Windows | Brand Name: M-D Building Products | Color: Yellow | Hardware included: No | Length: 4 ft. | Material: Fiberglass | Packaging Type: Pegged | Self Adhesive: No | Thickness: 1 in. Creates an insulating barrier that retains heat or cold, seals out weather and damps vibration. Can be used around water heaters, oil burners, heating and air conditioner ducts. | Made of fiberglass | Application in doors and windows | For exterior use, helps stop leaks