Roof leak repair in St. Louis
Get roof leak assessment and repair guidance for flashing, shingles and roof penetrations in St. Louis. Call to discuss water stains and active leaks.

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A ceiling stain marks where water appeared inside—not necessarily where it entered the roof. Water can travel along framing before it becomes visible. A useful leak assessment follows the evidence and considers nearby roof details rather than patching only the spot above the stain.
Common roof details to investigate
Chimney flashing, roof-to-wall intersections, plumbing vents, skylights and damaged shingles can all be involved in water entry. Plumbing leaks and condensation can also resemble roof leaks. Explain when the problem occurs so the assessment can consider likely causes.
Record the leak pattern safely
Note whether water appears in steady rain, only during high winds or even without rain. Photographs taken from inside a safe room and previous repair records can help. Avoid wet electrical fixtures and areas with ceiling movement; treat immediate hazards as a safety issue first.
- Which room is affected and when the stain first appeared.
- Whether the same area leaked before.
- Any nearby chimney, skylight, wall or roof penetration.
Repair the cause and assess surrounding damage
A suitable repair may involve flashing details or damaged materials rather than adding sealant. Once water entry is addressed, affected interior or concealed materials may still need attention. Ask what the roof repair covers and whether additional investigation is required.
How your project works
Call or request
Reach our Ellisville team by phone or ask for a free inspection.
On-site inspection
We document conditions with photos and measurements.
Clear plan
You get options, scope and scheduling in plain language.
Expert install
Our crew completes the work and cleans up the job site.
Common questions
Why is it hard to find the source of a roof leak?
Water can travel along decking and rafters before appearing on a ceiling, so the entry point is often away from the stain. Flashing, vents and valleys are common sources.
Why does my roof leak only in wind-driven rain?
Wind can push rain toward vulnerable flashings or roof intersections that do not leak in ordinary rainfall. The pattern is useful evidence, but an assessment is needed to locate the cause.
Will sealing a stain fix the leak?
No. Interior stain treatment does not stop water entry. Identify and address the source before repairing affected finishes.
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