Many building owners and producers have
asked me why I do not offer PVC membrane for my apartment roof clients. I
believe PVC is too good of a threat to take.
PVC, or Polyvinyl Chloride, is produced
from the polymerization of vinyl chloride monomer (VCM), a poisonous,
carcinogenic gas. It's a durable, economical material with many uses.
Seventy-five percent...
