The unique combination of a rigid, closed-cell foamed glass block and flexible, elastomeric adhesive produces a protective barrier with performance that truly exceeds the sum of its parts.
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With the right surface preparation and primer, Pennguard Block Lining System adheres to a variety of substrates, both new and old, including steel, alloy, concrete, gunite, ceramic brick, fiberglass reinforced plastic (FRP), and resinous polymer coatings. Consider the benefits of Pennguard to protect your existing or new flues.
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