PENNGUARD™ Block Lining System

Alphatherm Inc > Products > Corrosion Engineering > Pennguard > PENNGUARD™ Block Lining System

PENNGUARD™ Block Lining System

PENNGUARD™ Block Lining System consists of foamed glass blocks bonded and bedded in a flexible adhesive that forms an insulative corrosion protection lining for chimneys and ducts in coal-fired power plants (CFPP) with flue gas desulphurization (FGD). It may be installed over steel, concrete, ceramic brick, fiberglass reinforced plastic (FRP), or other linings such as organic coatings, or gunite.


• Protect chimneys from corrosion
• Protect FGD scrubber outlet ductwork from corrosion
• Seal leaking ceramic brick flues
• Insulate flues to reduce gas heat loss
• Reduce chimney spitting


• Installations in over 30 countries
• More than 40-year history of use
• Chemical resistant
• Temperature resistant
• Thermal shock resistant
• Fire resistant
• Lightweight
• Versatile
• Easy to install

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