TPO Roofing

TPO (thermoplastic polyolefin) is a single-ply membrane made for flat and low-slope roofs, the kind found on countless Chicago two-flats, storefronts, and warehouses. The sheets are rolled out over insulation or a suitable substrate, then joined with hot air so the seams fuse into one continuous surface. Its light-colored surface reflects sunlight rather than absorbing it, which helps keep upper floors cooler through humid Midwest summers, while the membrane stays flexible enough to handle freeze-and-thaw cycles.

When Building Owners Consider TPO

An aging flat roof — ponding water, blisters, or open seams that patching no longer solves.
Recurring leaks — stains on ceilings or damp insulation that point to a failing membrane.
Energy concerns — a dark, heat-absorbing roof driving up cooling costs.
New construction or an addition — a fresh low-slope deck that needs a durable covering.

How We Approach the Work

We start by learning what the existing roof is actually doing, then install the membrane so water has nowhere to sit or seep.

Infrared Roof Moisture Scanning — finds wet insulation hidden beneath the surface before new material goes down.
Moisture Meters — confirm readings and narrow down leak sources.
Drone Roof Inspections — give a full view of the roof with less foot traffic on the membrane.
TPO Hot-Air Welding Systems — heat-weld seams for a watertight, energy-efficient finish.
Sheet Metal Flashing Fabrication — custom flashing seals edges, curbs, and chimney transitions.