Pipe Insulation Insulation Material Fiberglass Installation Style Slit with Adhesive and Flap Inside Diameter 10 in Wall Thickness 1 1/2 in Overall Length 3 ft Minimum Operating Temperature 0 Degrees F Maximum Operating Temperature 1 000 Degrees F Facing Material ASJ Facing Color Tan R Value 7.8 Form Tube For Copper Tube Size Not Applicable For Pipe Size 10 in Flame Spread Index 25 Smoke Developed Index 50 Foam Cell Type Not Applicable Plenum Rating Plenum Rated