How do I maintain expansion joints?

Make sure the top of the expansion joint is sealed with an expansion joint material, elastic epoxy seam sealant or silicone caulk capable of expanding.
 

What type of material should I use to fill an expansion joint.

You can fill an expansion joint with silicone caulk, however it is recommended to use an elastic epoxy seam sealant after the grout is fully cured, such as Chockfast Expansion Joint material.

How do I seal expansion joints?

After the grout is cured, remove about a half inch of the expansion joint material and seal the top with an elastic epoxy seam sealant such as Chockfast Expansion Joint material.

What is an expansion joint sealant?

Expansion joint sealant is an elastic epoxy seam sealant such as Chockfast Expansion Joint material.