![](/images/ESSENTIAL-MFG.jpg)
COVID-19 UPDATE
MARK THOMAS MANUFACTURING IS A CRITICAL ESSENTIAL MANUFACTURER AND IS FULLY OPERATIONAL.
![](/images/product-images/gasket_home.jpg)
About Mark Thomas Manufacturing
We've been manufacturing quality flange insulations kits for over 30 years.
Learn moreUse the best gasket first, blow-outs and leaks can be expensive.
Learn more about our productsMARK THOMAS MANUFACTURING IS A CRITICAL ESSENTIAL MANUFACTURER AND IS FULLY OPERATIONAL.
We've been manufacturing quality flange insulations kits for over 30 years.
Learn more