Definition of the term Single Ply A descriptive term signifying a roof membrane composed of only one layer of material such as EPDM, Hypalon or PVC. Related Posts Definition of the term Aggregate Crushed stone, slag or water-worn gravel that comes in a… Definition of the term Amperage The rate of flow of electricity through wire - measured… Definition of the term Arbitration Service A service to resolve complaints, as in NACHI's Arbitration Service.
Definition of the term Arbitration Service A service to resolve complaints, as in NACHI's Arbitration Service.