At Schock we specialize in Expert Exhaust Silencer evaluation and UPGRADES.

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Schock Exhaust liner repair

Local spot repairs & relines

Schock wants to help you maintain your units. We have helped in many ways from supporting customers with sketches or verbal assistance, all the way to turnkey repairs or upgrades. We want to be your support as industry experts on Exhaust Liner Systems. Let us help you fix or upgrade your system the correct way. 


We stock all critical materials, have our wholly owned central US fabrication facility, and can generally react immediately. We have NEVER been late to promise or PO date. At Schock we do exactly what we say.

Step 1: Evaluate the current condition

Let Schock thoroughly inspect your system, and issue a complete report with recommendations at no cost. We are happy to inspect your units periodically, and baseline the condition. We will then come up with a plan to get the units back into worry free and safe condition.

Step 2: Develop a upgrade plan, timeline & budget

Once the inspection report has been reviewed by site personnel, we will sit down with you and go through all recommendations from critical must do areas, to items that are not as important immediately.

Step 3: Implement the plan

Begin the upgrades with the critical to safety items first. Schock will then update your unit inspection report to include the upgrades.

Exhaust Repairs

Insulation Replacement

HRSG Intake Duct Exhaust Liner

HRSG Intake Duct Exhaust Liner

Gas Turbine Exhaust Insulation

In almost all cases where we find liner damage, the internal insulation has been compromised. Schock will detect, and repair from small areas to complete systems.

HRSG Intake Duct Exhaust Liner

HRSG Intake Duct Exhaust Liner

HRSG Intake Duct Exhaust Liner

Gas Turbine Exhaust liner

Whether a local repair is needed, or complete system, an upgraded system can reduce your Exhaust site maintenance drastically or completely. 

Exhaust Stack Back Wall

HRSG Intake Duct Exhaust Liner

Inside and Outside Corners

Gas Turbine Exhaust liner repair

Often, the back wall of the Exhaust stack gets hammered with Turbulent flow. We can upgrade this insulation system to keep your casing cooler, and eliminate the passages and gaps where flow penetrates the insulation cavities.

Inside and Outside Corners

Inside and Outside Corners

Inside and Outside Corners

Gas Turbine Exhaust duct

The configuration or size of the job does not matter. Schock wants to help your site maintain your unit or entire fleet.

Full Exhaust Liner sheets

Inside and Outside Corners

Full Exhaust Liner sheets

Gas Turbine Exhaust liner repair

Often, liner failures are local and can be repaired/upgraded for a small fraction of new equipment cost.

Non-Turbulent Stack Liner

Inside and Outside Corners

Full Exhaust Liner sheets

Exhaust Stack liner

With a good plan and field crews, re-lining an entire system can be a good option.

Schock Exhaust Liner Repair Brochure

Link to brochures

Schock Free Exhaust Liner Inspections

free inspections

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