Common Metal Roof Problems
Leaks most commonly occur at... |
- End Laps (Horizontal Seams)
- Side Laps (Vertical Seams)
- Valley Gutters
- Ridge Caps and Ridge Ventilations
- Flashings
|
- Bad Fasteners (Screws)
- Holes
- Gutters
- Skylights
- Access Hatches
|
Most leaks result from or are worsened
by... |
- Rusted Metal Panels
- Roof Movement (expansion, contraction, high winds, etc.)
- Overloading Roof With Equipment
- Foot Traffic on Roof
- Faulty, Clogged or Improperly Sized Gutter Systems
|
- Faulty Construction / Poor Design
- Old Age
- Over Tightening Fasteners
- Loose or Missing Fasteners
|
Rust generally occurs because of...
|
- Exposure to the elements (Acid Rain, etc.)
- Corrosive substances in the air.
- Age of the building
- Foot traffic which causes broken corrugations
|
- Breakdown of factory coatings
- Over tightening of fasteners during installation
- Debris left on the roof
- Building movement
|
| What to do when a metal roof begins
to leak or rust... |
- Call a licensed roofing consultant, architect or contractor and ask
for a roof survey. (National Roof Coaters will do this at no charge)
- Determine exactly what the problems are
- Develop a repair or replacement strategy that not only solves today's
problems, but on that is is also compatible with a long term maintenance
plan.
|

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specialist for more than a quarter of a century.
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