Roofing

  • Roof-to-Edge Coping Leakage InvestigationRoof-to-Edge Coping Leakage Investigation
  • Roof Vent Leakage InvestigationRoof Vent Leakage Investigation
  • AAMA Nozzle Water Test of Roof/Wall IntersectionAAMA Nozzle Water Test of Roof/Wall Intersection
  • Inspection of EPDM Low-Sloped Roof MembraneInspection of EPDM Low-Sloped Roof Membrane
  • Investigation of Vinyl Membrane Roof SystemInvestigation of Vinyl Membrane Roof System
  • Standing-Seam Metal Roof InvestigationStanding-Seam Metal Roof Investigation
  • Leakage Investigation of Modified Bitumen Roof-to-Wall IntersectionLeakage Investigation of Modified Bitumen Roof-to-Wall Intersection
  • Leakage Investigation of Modified Bitumen Roof MembraneLeakage Investigation of Modified Bitumen Roof Membrane
  • Investigation of EPDM Membrane Roof SystemInvestigation of EPDM Membrane Roof System
  • Leakage Investigation of Standing-Seam Metal Roof SystemLeakage Investigation of Standing-Seam Metal Roof System

DBI’s roofing expertise includes both low-sloped and steep-sloped roofing systems, including the performance of the entire roof assembly for thermal, moisture, vapor, and air barrier design and construction.

Low-sloped roof expertise includes:

  • Thermoplastic and thermoset single‑ply membranes
  • Modified-bitumen roofing (MBR)
  • Built-up roofing (BUR)
  • Spray polyurethane foam (SPF) roofing
  • Metal roofing including standing seam roofs
  • And associated expansion joints, scuppers, copings, flashing, and coating systems

Steep-sloped roof expertise includes:

  • Asphalt composite shingles
  • Wood shingles and rough sawn shakes
  • Slate shingles
  • Concrete tile shingles
  • Fiber reinforced concrete tile shingles
  • Clay tile shingles
  • And associated gutters, downspouts, vent and stack penetration flashing, hips, ridges, and valleys