Most high temperature supports (i.e. hot shoes) do not require any type of service or maintenance. If a shoe is damaged, it would need to be completely removed from service and refurbished.
The primary difference between insulated supports for cold temperatures and hot temperatures lies within the insulation materials themselves.Cold supports typically utilize polyurethane foam as an insulating material, and hot pipe supports typically use combinations of calcium silicate and marinate materials.
Cold Insulated Pipe Shoes for an LNG Plant
High Temperature Insulated Pipe Support