Gypsum Underlayment

Darragh Company brings together the very best in gypsum underlayment quality, value and relationships. As your trusted local resource, we can collaborate with USG and other suppliers to develop customized solutions. We can also meet quick-turnaround times, thanks to our efficient pouring process.

Our products represent the latest innovations in gypsum underlayment. Not surprisingly, they are incredibly strong and durable. But the strength of our team is just as important. We are willing to take on unique projects and work with you to solve complex issues.


  • Only gypsum underlayment that can be installed while still exposed to weather, allowing contractor to fast-track the schedule
  • Feather edge to deep-fill applications
  • Capable of meeting varying strength requirements, from 2,000 to more than 10,000 psi
  • Can be used as an underlayment for all types of finished floors, including epoxy, or as a wear surface for a finished polish or stain
  • Wide range of sound mats to meet varying degrees of soundproofing requirements
  • Use an epoxy moisture mitigation system underneath gypsum