rbi_shieldRBI Shield (Reflective Bubble Insulation) is a multipurpose insulation for residential, commercial and agricultural applications in roofs, floors and walls. RBI Shield is avail-able in double bubble and single bubble. The products are available in 16″, 24″, 48″ and 72″ widths, in rolls 125′ long. RBI Shield is also available with an integrated tab. This option eliminates taping the seams. RBI Shield can also serve as a vapor barrier.