All buildings material sandwich panel for roof for wall fence Ms tubes I beam chaqerd sheet

We are sail and buying new and old all buildings materials

PU SEALANT FOR EXTERNAL, INTERNAL. Excellent adhesion to most building substrates. Can be used without the use of primer in new substrates - Non - toxic. Can be used in potable water reservoirs and swimming pools - Easy to apply, one component sealant. No mixing required - Over painting can be done (Rigid paints may crack)