The Leading Fabricator of Thermal Insulation Systems for Pipe, Fittings, Valves, Vessels

Engineers Corner

Product Specification Information tailored specifically for Extol fabricated insulation materials engineers and helpful industry application articles  Read more

Distributors Corner

Pricing Updates from Extol Vendors, Sizing Charts, Ordering Information and insulation distribution industry articles may be found here!
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Contractors Corner

Installation Guidelines, Calculation Charts, Hazard Information and helpful Industry Installation Techniques articles
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As fabricators of thermal insulation systems for pipe, fittings, valves and vessels; Extol’s total manufacturing capabilites, complete product offerings, technical services and WBE, FBE and HUBZone certifications distinguish us from other insulation suppliers.  Located in Norwalk, Ohio; Extol provides moisture resistant insulations such as Cellular Glass, Polyisocyanurate, Styrofoam ®, Perlite and Phenolic for mechanical piping systems to all 50 states and many other parts of the world.

Preformed Head Insulation Systems

Extol of Ohio fabricated Precision Engineered Head Segments to precisely fit the exact curvature of the surface. The heads are numbered and supplied for installation in courses around a center.
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Preformed Valve Insulation Systems

Our quality, precision cut 2-piece insulation valves fit the contour of the most complex valve shapes and have matching covers. This reduces installation time and saves you money. Read More

Preformed Mechanical Joint Insulation Systems

Un-insulated fittings, valves and couplings create excessive heat gains or loss. Extol’s Mechanical Joints Insulation will equip your system with continuous process control. Read More