Rutland Products 1111 Fireplace Insert Insulation Fiberglass, 1-1/2-Inch by 10-Feet, 1-1/2″ x 10′, Yellow

This 10′ by 1-1/2″ insulation strip with a peel off, self-adhesive backing is ideal for forming a smoke and gas tight seal between a fireplace insert and existing masonry. For the best performance, replace insulation every time the insert is removed for cleaning.
10’x1 ½” insulation strip with an adhesive backing
Used to create a tight seal between fireplace inserts and existing masonry
Rated up to 225 F
Replace insulation every time the fireplace insert is removed for cleaning