Start with what you can see
Commercial roof problems.Causes, checks and repair options.
No product knowledge required. Choose the symptom closest to yours and follow it from likely cause to a practical next step.
Problem library
What is the roof doing?
Every route explains what the symptom may mean, what it does not prove, what needs checking and when repair should escalate.
Water ingress
Commercial roof leaking
Repeat leaks or an ingress point that is difficult to trace.
Metal roof
Leaking metal roof
Fixings, laps, corrosion, flashings, rooflights or gutters.
Metal roof
Metal roof corrosion
Rust, coating breakdown or corrosion extending into the sheet.
Metal roof
Cut-edge corrosion
Corrosion developing at profiled sheet edges and laps.
Coatings
Roof coating failure
Peeling, blistering, chalking or delaminating coatings.
Metal roof
Corroded roof sheets
Corrosion progressing beyond the finish and into the sheet.
Asbestos-cement
Asbestos-cement roof problems
Leaks, cracks, weathering, deterioration or route uncertainty.
Asbestos-cement
Leaking asbestos roof
Water ingress where leak source and material condition both matter.
Asbestos-cement
Damaged asbestos roof
Cracks, fractures, damaged sheets or local defects.
Asbestos-cement
Weathered asbestos roof
Ageing surfaces where condition changes the available options.
Drainage
Standing water
Ponding, restricted drainage, blocked outlets or poor falls.
Drainage
Industrial gutter failure
Leaking joints, corrosion, failed lining or overflowing gutters.
Details
Flashing failure
Ingress around abutments, upstands, edges and penetrations.
Decision
Repairs keep failing
Repeated patches that have not dealt with the actual cause.
Your roof. Your next step.
Not sure which problem fits?
Send wide and close-up photographs, the building postcode and what you are seeing inside. We will help identify the useful next step.