Built-Up Roof Systems in Cleveland, OH

Built-up roofing is not a new-installation specification for Cleveland commercial work in 2026 — single-ply systems replaced BUR for most commercial applications by the late 1990s. What remains is an enormous inventory of existing BUR systems on the buildings that define the Cleveland skyline and industrial base: the Playhouse Square theater district, the Warehouse District brick buildings, the Cuyahoga Valley manufacturing plants, and the institutional campuses at Case Western Reserve, Cleveland Clinic, and the Cleveland Museum of Art.

Our work with built-up roofing falls into three categories. First, assessment and repair on existing BUR systems that still have serviceable life — we document the condition, identify the failure zones, and scope targeted repairs that extend the system 5 to 10 years while the owner develops a capital plan for replacement. Second, recover planning — specifying the modified bitumen or single-ply system that goes over the BUR when the asset reaches end of life, including the compatibility requirements, insulation upgrade to Ohio's current IECC standard, and manufacturer warranty path. Third, replacement on BUR systems that are past the point where repair or recover is economically rational.

The condition assessment on a Cleveland BUR system requires understanding the failure modes specific to Northeast Ohio. Hot-mopped asphalt BUR applied in the 1960s and 1970s fails primarily through the oxidation and embrittlement of the asphalt felts — a process that Cleveland's freeze-thaw cycling accelerates by creating flex fatigue at every seam and lap. Flood-coated gravel-surface BUR fails at the drain edges and parapet terminations first because ice accumulation in those zones creates uplift pressure that lifts the flood coat from the underlying felts.

BUR Assessment on Cleveland Historic and Industrial Buildings

The Playhouse Square theater cluster — eight restored theaters in a four-block area — represents some of the most complex BUR work in the Cleveland market. These 1920s buildings have roof structures that include monitor roofs, multiple level changes, and parapet configurations that require custom flashing details. The BUR systems on most of these buildings were last replaced in the 1980s and 1990s during the theater renovation program, putting them at 30 to 40 years of service. Our assessments on Playhouse Square buildings include a historic-structure review to confirm that the replacement specification does not conflict with the buildings' historic preservation requirements.

Cuyahoga Valley industrial buildings from the 1940s through the 1970s often carry BUR over structural concrete or steel-framed decks with limited access for condition assessment. We use infrared thermography on buildings where core pulls are logistically difficult — the thermal signature of saturated insulation zones under a BUR is detectable on a clear fall evening when the roof surface is cooling faster than the subsurface moisture. Infrared does not replace moisture cores for final specification decisions, but it directs core placement and reduces the number of pulls needed for an accurate condition picture.

Institutional BUR on Case Western Reserve University and Cleveland Clinic buildings often carries utility infrastructure embedded in or penetrating the roof assembly — conduit, steam lines, domestic water, and medical gas lines that complicate both assessment and replacement sequencing. We coordinate utility isolation with the building's facilities team before any assessment that involves core pulls or invasive inspection near embedded utilities.

BUR Recover and Replacement Pathways

Modified bitumen recover over existing BUR is the most common path for Cleveland BUR buildings at end of life, when moisture core results support a recover rather than full replacement. The SBS-modified bitumen recover applied over the existing BUR surface adds 20 to 25 years at approximately half the capital cost of tear-off and replacement — and on historic or institutionally complex buildings where tear-off disrupts operations, the recover path has value beyond its cost advantage.

Full replacement — tear-off of the existing BUR, insulation replacement to code-minimum R-25, and new single-ply or modified bitumen system — is required when more than 25% of moisture core locations read saturated or when the deck shows structural deterioration. On BUR systems over steel or concrete, full tear-off exposes the deck for inspection and allows the replacement to start with a known-clean substrate — particularly important on Cleveland buildings where the original BUR installation may have trapped moisture in the insulation for a decade or more.

The insulation upgrade from the original BUR insulation specification to current Ohio IECC R-25 minimum is required at permit for replacement projects. Most Cleveland BUR buildings built before 1990 are carrying insulation in the R-8 to R-15 range — 30 to 60% below current code minimum. The upgrade adds $0.40 to $0.80 per square foot to the replacement cost and delivers energy cost savings plus code compliance at the permit inspection.

BUR assessment or replacement planning for a Cleveland building?

Frequently Asked Questions