Commercial Roof Drain Leak Repair
Drainage assemblies
Learn more →Pipes, conduits, supports and roof-mounted equipment interrupt the waterproofing plane. Poorly detailed penetrations can leak even when surrounding roofing is intact.
Call (833) 586-3848Pipes, conduits, supports and roof-mounted equipment interrupt the waterproofing plane. Poorly detailed penetrations can leak even when surrounding roofing is intact.

For commercial owners and property managers, roof leaks can affect insulation, interior finishes, equipment and normal operations. Water can migrate before showing indoors, so a visual stain does not always identify the actual entry point.
Leakage around conduit, pipe supports, equipment attachments or a rooftop post. These observations help communicate the issue but do not confirm the source without inspection.
Inspect boots, pitch pockets, collars, curb transitions and membrane tie-ins.
Inspect boots, seals, sleeves, pitch pans, curb heights and penetrations through the waterproofing layer.
A correctly detailed boot, preformed flashing or compatible penetration system may be needed.
Important consideration: The number and arrangement of penetrations can matter as much as the membrane itself.
Any repair should address the actual water-entry path, not simply conceal an interior stain. The selected professional should evaluate surrounding materials, roof access, existing warranties and any work that may affect occupied spaces.
Call with your commercial property location, roof material if known, and observed leak symptoms. Confirm the provider’s availability and credentials before hiring.
Call (833) 586-3848Sun exposure, coastal moisture, seasonal rain and temperature variations affect roof assemblies differently across California. The exact building, material and drainage system should guide any inspection. For geographic context, explore California county guides or service-area information.
Pipes, conduits, supports and roof-mounted equipment interrupt the waterproofing plane. Poorly detailed penetrations can leak even when surrounding roofing is intact. Leakage around conduit, pipe supports, equipment attachments or a rooftop post.
Inspect boots, seals, sleeves, pitch pans, curb heights and penetrations through the waterproofing layer.
The number and arrangement of penetrations can matter as much as the membrane itself. The surrounding membrane or roof system must be evaluated first.
Drainage assemblies
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Learn more →Low-slope assemblies
Learn more →Discuss your roof type, leak symptoms and property location.