Selkirk 200001 Universal Shielding Insulation, 12" x 48" x 2" Spackling White and blue chalk are

White and blue chalk are for temporary use

Cooled ashes are swept into ash dump to be cleaned later

Minimum fastener size: 1-1/4"

Dusk to Down

Use on interior walls or exterior decks

Selkirk 200001 Universal Shielding Insulation, 12" x 48" x 2" Spackling White and blue chalk areThis insulation is designed for use with the Attic Insulation Shield, Wall Thimble and Cathedral Ceiling Support. Highlights: Used with DT, UT & VP Chimney Designed to wrap around chimney Hi Temp Mineral Fibre Insulation Protects building materials against radiant heat from chimney Stops cold air infiltration into dwelling 48" Long x 12" Wide x 2" Thick