Our Services

Commercial Waterproofing, Fireproofing, Insulation and Firestopping

Since 1989, Diversified Thermal has been delivering exceptional service and outstanding quality to Houston’s leading general contractors, architects and building owners. We’ve grown from being a reliable insulation and fireproofing contractor to becoming building envelope, passive life safety and insulation specialists.

Our expertise extends to the areas of conventional and intumescent fireproofing, the latest in air barriers, waterproofing, flashings, sealants, expansion joints, traffic coatings, green roofs, spray foam, fiberglass and cellulose insulation, curtain wall insulation, perimeter, head of wall and penetration firestops, and photoluminescents.

We are proud of our reputation for quality, service and safety – and our commitment to doing whatever it takes to deliver the highest quality product and on-time project completion.

Experience: The Diversified Thermal Difference

As a part of the Houston construction community for over three decades, we’ve seen a lot. With over 4,500 completed projects under our belt from Houston to Austin to Dallas and Lubbock – and points in between – our experienced team knows what it takes to get the job and get it done right.

We constantly strive to deliver innovative solutions to our customers’ most difficult challenges – and we’re always interested to see if we can help with your next project.

Our services include:

  • Fiberglass batt and rigid insulation
  • Curtain Wall insulation and firesafing
  • Polyisocyanurate and polystyrene board
  • Open and closed cell spray foam insulation
  • Spray applied cellulose
  • Spray applied fiberglass
  • Cementitious fireproofing
  • Intumescent fireproofing
  • Board fireproofing
  • Waterproofing
  • Green roofs
  • Elevated paver systems
  • Air barriers
  • Flashing
  • Expansion joints
  • Traffic coatings
  • Sealants
  • Joint firestopping
  • Penetration firestopping
  • Restoration – sealants
  • Restoration – building envelope
  • Restoration – fireproofing
  • Commercial insulation
  • And more

Whether you’re an architect, general contractor, facilities manager or building owner, we are ready to start the conversation.