A sprayed membrane has no seams or laps, which are the usual leak points in sheet systems, and it conforms to corners and penetrations.

Sometimes. The old coating has to be sound and well bonded; loose or failing material is removed first. An applicator can test adhesion on site.

Yes. Most membrane failures trace back to prep: moisture, contamination or no surface profile. Ask how the surface will be cleaned and profiled.

Pure polyurea sets in seconds and can usually take light traffic within hours, which shortens downtime.