Flat roofing covers the low-slope assemblies on Concord commercial buildings and apartment complexes, anything under a 3:12 pitch, where shingles cannot shed water. Every job starts with a roof system assessment of the membrane, the drains, and any soft spots in the roof deck.
We install TPO single-ply, EPDM rubber, PVC membrane, modified bitumen, and built-up roof (BUR) systems. TPO reflects summer heat and holds up to ultraviolet exposure; EPDM rubber stays flexible through moderate temperature swings between seasons.
A reflective coating over an intact membrane can add years before a tear-off, and rigid insulation above the roof deck cuts cooling costs in July. Both meet California building code for commercial re-roofing when the existing system is sound.
Water is the real enemy here. It wicks under a parapet, seeps past a drip edge, and ponds in low spots, where standing water delaminates seams and rots the decking. We reset drains, build crickets, and re-secure counter-flashing.
Seams are hot-air welded or bedded in adhesive rather than left to gravity. GAF, Owens Corning, and CertainTeed systems carry manufacturer coverage of up to 50 years, and our own 10-year workmanship warranty covers the installation itself.
