Flexible Expansion Joints allow rotation at each end and allow changes in length at the middle.  They have been used successfully for many decades and there is an IAPMO standard for them.  EBAA Iron Works in Eastland Texas is a manufacturer of these products that has provided flexible expansion joints for many Mudskipper Vaults.  EBAA has Technical Support Staff that can answer questions about their products. 

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Watch a video about Flexible Expansion Joints here.

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Learn more about Flexible Expansion Joints here.

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