Roof-to-Edge Coping Leakage Investigation
Roof Vent Leakage Investigation
AAMA Nozzle Water Test of Roof/Wall Intersection
Inspection of EPDM Low-Sloped Roof Membrane
Investigation of Vinyl Membrane Roof System
Standing-Seam Metal Roof Investigation
Leakage Investigation of Modified Bitumen Roof-to-Wall Intersection
Leakage Investigation of Modified Bitumen Roof Membrane
Investigation of EPDM Membrane Roof System
Leakage 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